Goto Section: 73.681 | 73.683 | Table of Contents

FCC 73.682
Revised as of October 1, 2014
Goto Year:2013 | 2015
§ 73.682   TV transmission standards.

   (a) Transmission standards. (1) The width of the television broadcast
   channel shall be 6 MHz.

   (2) The visual carrier frequency shall be nominally 1.25 MHz above the
   lower boundary of the channel.

   (3) The aural center frequency shall be 4.5 MHz higher than the visual
   carrier frequency.

   (4) The visual transmission amplitude characteristic shall be in
   accordance with the chart designated as Figure 5 of § 73.699: Provided,
   however, That for stations operating on Channel 15 through 69 and
   employing a transmitter with maximum peak visual power output of 1 kW
   or less the visual transmission amplitude characteristic may be in
   accordance with the chart designated as Figure 5a of § 73.699.

   (5) The chrominance subcarrier frequency is 63/88 times precisely 5 MHz
   (3.57954545 . . . MHz). The tolerance is +-10 Hz and the rate of
   frequency drift must not exceed 0.1 Hz per second (cycles per second
   squared).

   (6) For monochrome and color transmissions the number of scanning lines
   per frame shall be 525, interlaced two to one in successive fields. The
   horizontal scanning frequency shall be 2/455 times the chrominance
   subcarrier frequency; this corresponds nominally to 15,750 Hz with an
   actual value of 15,734.264 +-0.044 Hz). The vertical scanning frequency
   is 2/525 times the horizontal scanning frequency; this corresponds
   nominally to 60 Hz (the actual value is 59.94 Hz). For monochrome
   transmissions only, the nominal values of line and field frequencies
   may be used.

   (7) The aspect ratio of the transmitted television picture shall be 4
   units horizontally to 3 units vertically.

   (8) During active scanning intervals, the scene shall be scanned from
   left to right horizontally and from top to bottom vertically, at
   uniform velocities.

   (9) A carrier shall be modulated within a single television channel for
   both picture and synchronizing signals. The two signals comprise
   different modulation ranges in amplitude in accordance with the
   following:

   (i) Monochrome transmissions shall comply with synchronizing waveform
   specifications in Figure 7 of § 73.699.

   (ii) Color transmissions shall comply with the synchronizing waveform
   specifications in Figure 6 of § 73.699.

   (iii) All stations operating on Channels 2 through 14 and those
   stations operating on Channels 15 through 69 licensed for a peak visual
   transmitter output power greater than one kW shall comply with the
   picture transmission amplitude characteristics shown in Figure 5 of
   § 73.699.

   (iv) Stations operating on Channels 15 through 69 licensed for a peak
   visual transmitter output power of one kW or less shall comply with the
   picture transmission amplitude characteristic shown in Figure 5 or 5a
   of § 73.699.

   (10) A decrease in initial light intensity shall cause an increase in
   radiated power (negative transmission).

   (11) The reference black level shall be represented by a definite
   carrier level, independent of light and shade in the picture.

   (12) The blanking level shall be transmitted at 75+-2.5 percent of the
   peak carrier level.

   (13) The reference white level of the luminance signal shall be
   12.5+-2.5 percent of the peak carrier level.

   (14) It shall be standard to employ horizontal polarization. However,
   circular or elliptical polarization may be employed if desired, in
   which case clockwise (right hand) rotation, as defined in the IEEE
   Standard Definition 42A65-3E2, and transmission of the horizontal and
   vertical components in time and space quadrature shall be used. For
   either omnidirectional or directional antennas the licensed effective
   radiated power of the vertically polarized component may not exceed the
   licensed effective radiated power of the horizontally polarized
   component. For directional antennas, the maximum effective radiated
   power of the vertically polarized component shall not exceed the
   maximum effective radiated power of the horizontally polarized
   component in any specified horizontal or vertical direction.

   (15) The effective radiated power of the aural transmitter must not
   exceed 22% of the peak radiated power of the visual transmitter.

   (16) The peak-to-peak variation of transmitter output within one frame
   of video signal due to all causes, including hum, noise, and
   low-frequency response, measured at both scanning synchronizing peak
   and blanking level, shall not exceed 5 percent of the average scanning
   synchronizing peak signal amplitude. This provision is subject to
   change but is considered the best practice under the present state of
   the art. It will not be enforced pending a further determination
   thereof.

   (17) The reference black level shall be separated from the blanking
   level by the setup interval, which shall be 7.5+-2.5 percent of the
   video range from blanking level to the reference white level.

   (18) For monochrome transmission, the transmitter output shall vary in
   substantially inverse logarithmic relation to the brightness of the
   subject. No tolerances are set at this time. This provision is subject
   to change but is considered the best practice under the present state
   of the art. It will not be enforced pending a further determination
   thereof.

   (19) The color picture signal shall correspond to a luminance component
   transmitted as amplitude modulation of the picture carrier and a
   simultaneous pair of chrominance components transmitted as the
   amplitude modulation sidebands of a pair of suppressed subcarriers in
   quadrature.

   (20) Equation of complete color signal.

   (i) The color picture signal has the following composition:

   EM=EY'+[EQ' sin (wt+33DEG)+EI' cos (wt+33DEG)]

   Where:

   EQ'=0.41(EB' -EY')+0.48(ER' -EY').

   EI'= -0.27(EB' -EY')+0.74(ER' -EY').

   EY'=0.30ER'+0.59EG'+0. -1EB'.

   For color-difference frequencies below 500 kHz (see (iii) below), the
   signal can be represented by:

   EM=EY'+[(1/1.14)[(1/1.78)(EB' -EY') sin wt+(ER' -EY') cos wt]]

   (ii) The symbols in paragraph (a)(20)(i) of this section have the
   following significance:

   EM is the total video voltage, corresponding to the scanning of a
   particular picture element, applied to the modulator of the picture
   transmitter.

   EY' is the gamma-corrected voltage of the monochrome (black-and-white)
   portion of the color picture signal, corresponding to the given picture
   element.

   Note: Forming of the high frequency portion of the monochrome signal in
   a different manner is permissible and may in fact be desirable in order
   to improve the sharpness on saturated colors.

   EQ' and EI' are the amplitudes of two orthogonal components of the
   chrominance signal corresponding respectively to narrow-band and
   wide-band axes.

   ER', EG', and EB' are the gamma-corrected voltages corresponding to
   red, green, and blue signals during the scanning of the given picture
   element.

   w is the angular frequency and is 2 times the frequency of the
   chrominance subcarrier.

   The portion of each expression between brackets in (i) represents the
   chrominance subcarrier signal which carries the chrominance
   information.

   The phase reference in the EM equation in (i) is the phase of the
   burst+180DEG, as shown in Figure 8 of § 73.699. The burst corresponds
   to amplitude modulation of a continuous sine wave.

   (iii) The equivalent bandwidth assigned prior to modulation to the
   color difference signals EQ' and EI' are as follows:

   Q-channel bandwidth:

   At 400 kHz less than 2 dB down.

   At 500 kHz less than 6 dB down.

   At 600 kHz at least 6 dB down.

   I-channel bandwidth:

   At 1.3 MHz less than 2 dB down.

   At 3.6 MHz at least 20 dB down.

   (iv) The gamma corrected voltages ER', EG', and EB' are suitable for a
   color picture tube having primary colors with the following
   chromaticities in the CIE system of specification:
              x    y
   Red (R)   0.67 0.33
   Green (G) 0.21 0.71
   Blue (B)  0.14 0.08

   and having a transfer gradient (gamma exponent) of 2.2 associated with
   each primary color. The voltages ER', EG', and EB' may be respectively
   of the form ER1/g, EG1/g, and EB1/g although other forms may be used
   with advances in the state of the art.

   Note: At the present state of the art it is considered inadvisable to
   set a tolerance on the value of gamma and correspondingly this portion
   of the specification will not be enforced.

   (v) The radiated chrominance subcarrier shall vanish on the reference
   white of the scene.

   Note: The numerical values of the signal specification assume that this
   condition will be reproduced as CIE Illuminant C (x=0.310, y=0.316).

   (vi) EY', EQ', EI', and the components of these signals shall match
   each other in time to 0.05 usecs.

   (vii) The angles of the subcarrier measured with respect to the burst
   phase, when reproducing saturated primaries and their complements at 75
   percent of full amplitude, shall be within +-10DEG and their amplitudes
   shall be within +-20 percent of the values specified above. The ratios
   of the measured amplitudes of the subcarrier to the luminance signal
   for the same saturated primaries and their complements shall fall
   between the limits of 0.8 and 1.2 of the values specified for their
   ratios. Closer tolerances may prove to be practicable and desirable
   with advance in the art.

   (21) The interval beginning with line 17 and continuing through line 20
   of the vertical blanking interval of each field may be used for the
   transmission of test signals, cue and control signals, and
   identification signals, subject to the conditions and restrictions set
   forth below. Test signals may include signals designed to check the
   performance of the overall transmission system or its individual
   components. Cue and control signals shall be related to the operation
   of the TV broadcast station. Identification signals may be transmitted
   to identify the broadcast material or its source, and the date and time
   of its origination. Figures 6 and 7 of § 73.699 identify the numbered
   lines referred to in this paragraph.

   (i) Modulation of the television transmitter by such signals shall be
   confined to the area between the reference white level and the blanking
   level, except where test signals include chrominance subcarrier
   frequencies, in which case positive excursions of chrominance
   components may exceed reference white, and negative excursions may
   extend into the synchronizing area. In no case may the modulation
   excursions produced by test signals extend beyond peak-of-sync, or to
   zero carrier level.

   (ii) The use of such signals shall not result in significant
   degradation of the program transmission of the television broadcast
   station, nor produce emission outside of the frequency band occupied
   for normal program transmissions.

   (iii) Such signals may not be transmitted during that portion of each
   line devoted to horizontal blanking.

   (iv) Regardless of other provisions of this paragraph, after June 30,
   1994, Line 19, in each field, may be used only for the transmission of
   the ghost-canceling reference signal described in OET Bulletin No. 68,
   which is available from the FCC Warehouse, 9300 East Hampton Drive,
   Capitol Heights, MD 20743. Notwithstanding the modulation limits
   contained in paragraph (a)(23)(i) of this section, the vertical
   interval reference signal formerly permitted on Line 19 and described
   in Figure 16 of § 73.699, may be transmitted on any of lines 10 through
   16 without specific Commission authorization, subject to the conditions
   contained in paragraphs (a)(21)(ii) and (a)(22)(ii) of this section.

   (22)(i) Line 21, in each field, may be used for the transmission of a
   program-related data signal which, when decoded, provides a visual
   depiction of information simultaneously being presented on the aural
   channel (captions). Line 21, field 2 may be used for transmission of a
   program-related data signal which, when decoded, identifies a rating
   level associated with the current program. Such data signals shall
   conform to the format described in figure 17 of § 73.699 of this
   chapter, and may be transmitted during all periods of regular
   operation. On a space available basis, line 21 field 2 may also be used
   for text-mode data and extended data service information.

   Note: The signals on Fields 1 and 2 shall be distinct data streams, for
   example, to supply captions in different languages or at different
   reading levels.

   (ii) At times when Line 21 is not being used to transmit a program
   related data signal, data signals which are not program related may be
   transmitted, Provided: the same data format is used and the information
   to be displayed is of a broadcast nature.

   (iii) The use of Line 21 for transmission of other data signals
   conforming to other formats may be used subject to prior authorization
   by the Commission.

   (iv) The data signal shall cause no significant degradation to any
   portion of the visual signal nor produce emissions outside the
   authorized television channel.

   (v) Transmission of visual emergency messages pursuant to § 73.1250
   shall take precedence and shall be cause for interrupting transmission
   of data signals permitted under this paragraph.

   (23) Specific scanning lines in the vertical blanking interval may be
   used for the purpose of transmitting telecommunications signals in
   accordance with § 73.646, subject to certain conditions:

   (i) Telecommunications may be transmitted on Lines 10-18 and 20, all of
   Field 2 and Field 1. Modulation level shall not exceed 70 IRE on lines
   10, 11, and 12; and, 80 IRE on lines 13-18 and 20.

   (ii) No observable degradation may be caused to any portion of the
   visual or aural signals.

   (iii) Telecommunications signals must not produce emissions outside the
   authorized television channel bandwidth. Digital data pulses must be
   shaped to limit spectral energy to the nominal video baseband.

   (iv) Transmission of emergency visual messages pursuant to § 73.1250
   must take precedence over, and shall be cause for interrupting, a
   service such as teletext that provides a visual depiction of
   information simultaneously transmitted on the aural channel.

   (v) A reference pulse for a decoder associated adaptive equalizer
   filter designed to improve the decoding of telecommunications signals
   may be inserted on any portion of the vertical blanking interval
   authorized for data service, in accordance with the signal levels set
   forth in paragraph (a)(23)(i) of this section.

   (vi) All lines authorized for telecommunications transmissions may be
   used for other purposes upon prior approval by the Commission.

   (24) Licensees and permittees of TV broadcast and low power TV stations
   may insert non-video data into the active video portion of their TV
   transmission, subject to certain conditions:

   (i) The active video portion of the visual signal begins with line 22
   and continues through the end of each field, except it does not include
   that portion of each line devoted to horizontal blanking. Figures 6 and
   7 of § 73.699 identify the numbered line referred to in this paragraph;

   (ii) Inserted non-video data may be used for the purpose of
   transmitting a telecommunications service in accordance with § 73.646.
   In addition to a telecommunications service, non-video data can be used
   to enhance the station's broadcast program service or for purposes
   related to station operations. Signals relating to the operation of TV
   stations include, but are not limited to program or source
   identification, relay of broadcast materials to other stations, remote
   cueing and order messages, and control and telemetry signals for the
   transmitting system; and

   (iii) A station may only use systems for inserting non-video
   information that have been approved in advance by the Commission. The
   criteria for advance approval of systems are as follows:

   (A) The use of such signals shall not result in significant degradation
   to any portion of the visual, aural, or program-related data signals of
   the television broadcast station;

   (B) No increase in width of the television broadcast channel (6 MHz) is
   permitted. Emissions outside the authorized television channel must not
   exceed the limitations given in § 73.687(e). Interference to reception
   of television service either of co-channel or adjacent channel stations
   must not increase over that resulting from the transmission of
   programming without inserted data; and

   (C) Where required, system receiving or decoding devices must meet the
   TV interface device provisions of Part 15, Subpart H of this chapter.

   (iv) No protection from interference of any kind will be afforded to
   reception of inserted non-video data.

   (v) Upon request by an authorized representative of the Commission, the
   licensee of a TV station transmitting encoded programming must make
   available a receiving decoder to the Commission to carry out its
   regulatory responsibilities.

   (b) Subscription TV technical systems. The FCC may specify, as part of
   the advance approval of the technical system for transmitting encoded
   subscription programming, deviations from the power determination
   procedures, operating power levels, aural or video baseband signals,
   modulation levels or other characteristics of the transmitted signal as
   otherwise specified in this Subpart. Any decision to approve such
   operating deviations shall be solely at the discretion of the FCC.

   (c) TV multiplex subcarrier/stereophonic aural transmission standards.

   (1) The modulating signal for the main channel shall consist of the sum
   of the stereophonic (biphonic, quadraphonic, etc.) input signals.

   (2) The instantaneous frequency of the baseband stereophonic subcarrier
   must at all times be within the range 15 kHz to 120 kHz. Either
   amplitude or frequency modulation of the stereophonic subcarrier may be
   used.

   (3) One or more pilot subcarriers between 16 kHz and 120 kHz may be
   used to switch a TV receiver between the stereophonic and monophonic
   reception modes or to activate a stereophonic audio indicator light,
   and one or more subcarriers between 15 kHz and 120 kHz may be used for
   any other authorized purpose; except that stations employing the BTSC
   system of stereophonic sound transmission and audio processing may
   transmit a pilot subcarrier at 15,734 Hz, +-2 Hz. Other methods of
   multiplex subcarrier or stereophonic aural transmission systems must
   limit energy at 15,734 Hz, +-20 Hz, to no more than +-0.125 kHz aural
   carrier deviation.

   (4) Aural baseband information above 120 kHz must be attenuated 40 dB
   referenced to 25 kHz main channel deviation of the aural carrier.

   (5) For required transmitter performance, all of the requirements of
   § 73.687(b) shall apply to the main channel, with the transmitter in
   the multiplex subcarrier or stereophonic aural mode.

   (6) For electrical performance standards of the transmitter, the
   requirements of § 73.687(b) apply to the main channel.

   (7) Multiplex subcarrier or stereophonic aural transmission systems
   must be capable of producing and must not exceed +-25 kHz main channel
   deviation of the aural carrier.

   (8) The arithmetic sum of non-multiphonic baseband signals between 15
   kHz and 120 kHz must not exceed +-50 kHz deviation of the aural
   carrier.

   (9) Total modulation of the aural carrier must not exceed +-75 kHz.

   (d) Digital broadcast television transmission standard. Effective
   October 11, 2011 transmission of digital broadcast television (DTV)
   signals shall comply with the standards for such transmissions set
   forth in ATSC A/52: "ATSC Standard Digital Audio Compression (AC-3)",
   ATSC A/53, Parts 1-4 and 6: 2007 "ATSC Digital Television Standard,"
   (January 3, 2007), and ATSC A/53 Part 5:2010 "ATSC Digital Television
   Standard: Part 5--AC-3 Audio System Characteristic," (July 6, 2010),
   except for section 6.1.2 ("Compression Format Constraints") of A/53
   Part 4: 2007 ("MPEG-2 Video Systems Characteristics") and the phrase
   "see Table 6.2" in section 6.1.1 Table 6.1 and section 6.1.3 Table 6.3,
   and ATSC A/65C: "ATSC Program and System Information Protocol for
   Terrestrial Broadcast and Cable, Revision C With Amendment No. 1 dated
   May 9, 2006," (January 2, 2006) (all standards incorporated by
   reference, see § 73.8000). Although not incorporated by reference,
   licensees may also consult ATSC A/54A: "Recommended Practice: Guide to
   Use of the ATSC Digital Television Standard, including Corrigendum No.
   1," (December 4, 2003, Corrigendum No. 1 dated December 20, 2006, and
   ATSC A/69: "Recommended Practice PSIP Implementation Guidelines for
   Broadcasters," (June 25, 2002) (Secs. 4, 5, 303, 48 Stat., as amended,
   1066, 1068, 1082 (47 U.S.C. 154, 155, 303)). ATSC A/54A and ATSC A/69
   are available from Advanced Television Systems Committee (ATSC), 1750 K
   Street, NW., Suite 1200, Washington, DC 20006, or at the ATSC Web site:
   http://www.atsc.org/standards.html.

   (e) Transmission of commercial advertisements by television broadcast
   station. (1) Mandatory compliance with ATSC A/85 RP. Effective December
   13, 2012, television broadcast stations must comply with the ATSC A/85
   RP incorporated by reference, see § 73.8000), insofar as it concerns
   the transmission of commercial advertisements.

   (2) Commercials inserted by station. A television broadcast station
   that installs, utilizes, and maintains in a commercially reasonable
   manner the equipment and associated software to comply with ATSC A/85
   RP shall be deemed in compliance with respect to locally inserted
   commercials, which for the purposes of this provision are commercial
   advertisements added to a programming stream by a station prior to or
   at the time of transmission to viewers. In order to be considered to
   have installed, utilized and maintained the equipment and associated
   software in a commercially reasonable manner, a television broadcast
   station must:

   (i) Install, maintain and utilize equipment to properly measure the
   loudness of the content and to ensure that the dialnorm metadata value
   correctly matches the loudness of the content when encoding the audio
   into AC-3 for transmitting the content to the consumer;

   (ii) Provide records showing the consistent and ongoing use of this
   equipment in the regular course of business and demonstrating that the
   equipment has undergone commercially reasonable periodic maintenance
   and testing to ensure its continued proper operation;

   (iii) Certify that it either has no actual knowledge of a violation of
   the ATSC A/85 RP, or that any violation of which it has become aware
   has been corrected promptly upon becoming aware of such a violation;
   and

   (iv) Certify that its own transmission equipment is not at fault for
   any pattern or trend of complaints.

   (3) Embedded commercials--safe harbor. With respect to embedded
   commercials, which, for the purposes of this provision, are those
   commercial advertisements placed into the programming stream by a third
   party (i.e., programmer) and passed through by the station to viewers,
   a television broadcast station must certify that its own transmission
   equipment is not at fault for any pattern or trend of complaints, and
   may demonstrate compliance with the ATSC A/85 RP through one of the
   following methods:

   (i) Relying on a network's or other programmer's certification of
   compliance with the ATSC A/85 RP with respect to commercial
   programming, provided that:

   (A) The certification is widely available by Web site or other means to
   any television broadcast station, cable operator, or multichannel video
   programming distributor that transmits that programming; and

   (B) The television broadcast station has no reason to believe that the
   certification is false; and

   (C) The television broadcast station performs a spot check, as defined
   in § 73.682(e)(3)(iv)(A), (B), (D), and (E), on programming in response
   to an enforcement inquiry concerning a pattern or trend of complaints
   regarding commercials contained in that programming.

   (ii) If transmitting any programming that is not certified as described
   in § 73.682(e)(3)(i), a television broadcast station that had more than
   $14,000,000 in annual receipts for the calendar year 2011 must perform
   annual spot checks, as defined in § 73.682(e)(3)(iv)(A), (B), (C), and
   (E), of all the non-certified commercial programming it receives from a
   network or other programmer and perform a spot check, as defined in
   § 73.682(e)(3)(iv)(A), (B), (D), and (E), on programming in response to
   an enforcement inquiry concerning a pattern or trend of complaints
   regarding commercials contained in that programming;

   (iii) A television broadcast station that had $14,000,000 or less in
   annual receipts for the year 2011 need not perform annual spot checks
   but must perform a spot check, as defined in § 73.682(e)(3)(iv)(A),
   (B), (D), and (E), on programming in response to an enforcement inquiry
   concerning a pattern or trend of complaints regarding commercials
   contained in that programming.

   (iv) For purposes of this section, a "spot check" of embedded
   commercials requires monitoring 24 uninterrupted hours of programming
   with an audio loudness meter employing the measurement technique
   specified in the ATSC A/85 RP, and reviewing the records from that
   monitoring to detect any commercials transmitted in violation of the
   ATSC A/85 RP. The television broadcast station must not inform the
   network or programmer of the spot check prior to performing it.

   (A) Spot-checking must be conducted after the signal has passed through
   the television broadcast station's processing equipment (e.g., at the
   output of a television receiver). If a problem is found, the television
   broadcast station must determine the source of the noncompliance.

   (B) To be considered valid, the television broadcast station must
   demonstrate appropriate maintenance records for the audio loudness
   meter.

   (C) With reference to the annual "safe harbor" spot check in
   § 73.682(e)(3)(ii):

   (1) To be considered valid, the television broadcast station must
   demonstrate, at the time of any enforcement inquiry, that appropriate
   spot checks had been ongoing.

   (2) If there is no single 24 hour period in which all programmers of a
   given program stream are represented, an annual spot check may consist
   of a series of loudness measurements over the course of a 7 day period,
   totaling no fewer than 24 hours, that measure at least one program, in
   its entirety, provided by each non-certified programmer that supplies
   programming for that program stream.

   (3) If annual spot checks are performed for two consecutive years
   without finding evidence of noncompliance with the ATSC A/85 RP, no
   further annual spot checks are required to remain in the safe harbor
   for existing programming.

   (4) Non-certified program streams must be spot-checked annually using
   the approach described in this section. If annual spot checks of the
   program stream are performed for two consecutive years without finding
   evidence of noncompliance with the ATSC A/85 RP, no further annual spot
   checks are required to remain in the safe harbor for that program
   stream.

   (5) Even after the two year period for annual spot checks, if a spot
   check shows noncompliance on a non-certified program stream, the
   station must once again perform annual spot checks of that program
   stream to be in the safe harbor for that programming. If these renewed
   annual spot checks are performed for two consecutive years without
   finding additional evidence of noncompliance with the ATSC A/85 RP, no
   further annual spot checks are required to remain in the safe harbor
   for that program stream.

   (D) With reference to the spot checks in response to an enforcement
   inquiry pursuant to § 73.682(e)(3)(i)(C), (2), or (3):

   (1) If notified of a pattern or trend of complaints, the television
   broadcast station must perform the 24-hour spot check of the program
   stream at issue within 30 days or as otherwise specified by the
   Enforcement Bureau; and

   (2) If the spot check reveals actual compliance, the television
   broadcast station must notify the Commission in its response to the
   enforcement inquiry.

   (E) If any spot check shows noncompliance with the ATSC A/85 RP, the
   television station must notify the Commission and the network or
   programmer within 7 days, direct the programmer's attention to any
   relevant complaints, and must perform a follow-up spot check within 30
   days of providing such notice. The station must notify the Commission
   and the network or programmer of the results of the follow-up spot
   check. Notice to the Federal Communications Commission must be provided
   to the Chief, Investigations and Hearings Division, Enforcement Bureau,
   or as otherwise directed in a Letter of Inquiry to which the station is
   responding.

   (1) If the follow-up spot check shows compliance with the ATSC A/85 RP,
   the station remains in the safe harbor for that program stream.

   (2) If the follow-up spot check shows noncompliance with the ATSC A/85
   RP, the station will not be in the safe harbor with respect to
   commercials contained in the program stream for which the spot check
   showed noncompliance until a subsequent spot check shows that the
   program stream is in compliance.

   (4) Use of a real-time processor. A television broadcast station that
   installs, maintains and utilizes a real-time processor in a
   commercially reasonable manner will be deemed in compliance with the
   ATSC A/85 RP with regard to any commercial advertisements on which it
   uses such a processor, so long as it also:

   (i) Provides records showing the consistent and ongoing use of this
   equipment in the regular course of business and demonstrating that the
   equipment has undergone commercially reasonable periodic maintenance
   and testing to ensure its continued proper operation;

   (ii) Certifies that it either has no actual knowledge of a violation of
   the ATSC A/85 RP, or that any violation of which it has become aware
   has been corrected promptly upon becoming aware of such a violation;
   and

   (iii) Certifies that its own transmission equipment is not at fault for
   any pattern or trend of complaints.

   (5) Commercials locally inserted by a station's agent--safe harbor.
   With respect to commercials locally inserted, which for the purposes of
   this provision are commercial advertisements added to a programming
   stream for the television broadcast station by a third party after it
   has been received from the programmer but prior to or at the time of
   transmission to viewers, a station may demonstrate compliance with the
   ATSC A/85 RP by relying on the third party local inserter's
   certification of compliance with the ATSC A/85 RP, provided that:

   (i) The television broadcast station has no reason to believe that the
   certification is false;

   (ii) The television broadcast station certifies that its own
   transmission equipment is not at fault for any pattern or trend of
   complaints; and

   (iii) The television broadcast station performs a spot check, as
   defined in § 73.682(e)(3)(iv)(A), (B), (D), and (E), on the programming
   at issue in response to an enforcement inquiry concerning a pattern or
   trend of complaints regarding commercials inserted by that third party.

   (6) Instead of demonstrating compliance pursuant to paragraphs (e)(2)
   through (5) of this section, a station may demonstrate compliance with
   paragraph (e)(1) of this section in response to an enforcement inquiry
   prompted by a pattern or trend of complaints by demonstrating actual
   compliance with ATSC A/85 RP with regard to the commercial
   advertisements that are the subject of the inquiry, and certifying that
   its own transmission equipment is not at fault for any such pattern or
   trend of complaints.

   Note to § 73.682: For additional information regarding this
   requirement, see Implementation of the Commercial Advertisement
   Loudness Mitigation (CALM) Act, FCC 11-182.

   (Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C.
   154, 155, 303))

   [ 28 FR 13660 , Dec. 14, 1963]

   Editorial Note: For Federal Register citations affecting § 73.682, see
   the List of CFR Sections Affected, which appears in the Finding Aids
   section of the printed volume and at www.fdsys.gov.

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Goto Section: 73.681 | 73.683

Goto Year: 2013 | 2015
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