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Thread: Satellite Transponder Information

  1. #1
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    Satellite Transponder Information

    This new thread is a replacement for the previous Satellite Transponder Tables thread. It will be managed as a team effort in order to streamline the posting of weekly data. The following are data posts we maintain:

    Satellite Transponder Tables (Post #2)

    DirecTV Satellite Transponder/PID Channel Grids (post #3)

    Transponder PID (Channel) Counts (Post #4)

    DirecTV Band Plans, Frequencies, TIDs and TPNs (Post #5)

    Direct Uplink Facilities and Earth Stations (Post #6)
    Last edited by DataDigesters; 12-17-2017 at 11:59 AM. Reason: fix broken link
    DataDigesters is a team effort of Doctor J and Tom Speer, cooperating to bring you the weekly data,

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    Satellite Transponder Tables
    Updated 03/06/2019
    Tom Speer

    The attached Satellite Transponder Tables are a complement to Gary Toma’s TPN maps. Where Gary’s TPN Maps detail the data for each broadcast channel on DirecTV, these spreadsheets document the multichannel digital streams that carry those signals. They are based primarily on the Schedule S filings (or their earlier equivalents) that DirecTV filed with the FCC, documenting the frequency and uplink facilities for each satellite transponder, the output frequency of each transponder and the beam or beams that the transponder transmits on. The TID and TPN used by the receiver software is shown and corresponds to the same values in Gary Toma’s TPN map, and the beam designations here are used to populate the beams identified in the weekly TPN map.

    The FCC data is supplemented by the weekly data collected by our team, and manual entries created by analyzing the Beam Footprint Maps.

    All of the DirecTV satellites’ data are presented as an Excel workbook, with tabs for each satellite. On each sheet, the data is color coded to indicate its source, according to the key at the bottom of each sheet. The data will be updated when there are any changes detected in the weekly data.

    The transponder map for D12 is well documented in the FCC database. It was built as a spare for both D10 and D11. It does contain information on transponders that are only used on D11. There are 13 spot beam transponders that share the same uplinks as another transponder, but are not used on D12. Those transponders, on the other hand, are used on D11.

    Because the Spaceways satellites are so configurable, there is no fixed configuration. The FCC data is therefore useless for these tables, so we have only the data from the weekly collection, and a notation of the market served, for SW1, and SW2 is no longer in service, as far as we know.

    Note that in these tables, the concept of a “transponder” is the device that takes in one digital input stream, converts its frequency and transmits it on one or more output beams. There may be multiple amplifiers and filters on the input, it may be able to select alternate input beams, and it can feed multiple filters and TWTAs to feed the output beams. Each transponder processes one digital stream carrying multiple digitally modulated channels. A prime example is DirecTV 15. To satisfy FCC filing requirements, DirecTV documented 6 transponders for each uplink frequency. Each of these groups of 6 represent only one transponder in the satellite that has two alternate input beams and 3 output beams. I have shown only one transponder. The two alternate uplinks, and three downlink beams are noted for each transponder.

    For the Ka band satellites at 99 and 103 West, each transponder has its own TID, and the individual digital streams can have different modulation, encoding and FEC parameters. In general, all transponders with the same TPN number, on a given satellite, use the same downlink frequency and polarity, with the exception of Spaceways 1. For the spot beams on the Ku satellites on 101 and 119, all transponders on the same downlink frequency and polarity have the same TID and TPN (TPN=TID+1), and must use the same modulation, encoding and FEC for all transponders on that TPN number.

    Changes:
    9/26/2016 changed fill colors on beam location fields to indicate manual entry. Changed uplink channel on 6 transponders on D11 to show uncertainty due errors in the data submitted to the FCC.
    11/26/2016 added uplink facilities for G3C and D5, per HoTat2
    04/12/2017 Activated D14 Transponders
    8/10/2017 New Transponder tables for Directv Latin America
    06/06/2018 Updated D14 and D15 tables
    06/13/2018 Updated Sky-Mexico tables, removing 58W and 76W
    08/08/2018 Removed SW1, added SW2 back in, updated RB1
    03/06/2019 Revised D15, Added T16, ckeaned up formatting for printing


    Domestic Satellite Transponders 190306.xlsx

    DLA Satellite Transponders 180201.xlsx

    Mexican Satellite Transponders 180613.xlsx
    Last edited by Tom Speer; 03-06-2019 at 03:28 PM. Reason: Revised D15, Added T16, ckeaned up formatting
    DataDigesters is a team effort of Doctor J and Tom Speer, cooperating to bring you the weekly data,

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    Red face

    DirecTV Satellite Transponder/PID Channel Grids

    updated 8/21/2019 TSS

    The attached Excel Workbooks are produced from the weekly data capture from the satellites by the DataDigesters. It follows the work of Sixto, then Doctor J's manual compilation of the National HD transponders. These automated charts have been extended to include all of the DirecTV transponders, both mpeg2 and mpeg4, including all spotbeam transponders. They are created by a Python program that reads the captured data

    190821_National_tpngrid.xlsx

    190821_Spot_Beam_tpngrid.xlsx
    Last edited by Tom Speer; 08-21-2019 at 04:14 PM. Reason: Updated data
    DataDigesters is a team effort of Doctor J and Tom Speer, cooperating to bring you the weekly data,

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    Transponder PID (Channel) Counts

    Updated 8/21/2019 - TSS

    The attached Excel workbook documents the number of PIDs, carried on each of DirecTVs satellite transponders. The data is taken from DataDigesters' weekly data capture. It tabulates the number of HD, SD, 4K, Audio, etc data streams on each transponder, then sums them by Net number on each satellite. Each PID represents a unique video and/or audio data stream. Any two or more guide data records that point to the same NET, TID and PID (and beam for Ku spot beams) are carrying the same program. So this is a count of the number of unique channels carried by DirecTV.

    Note: The counts of HD channels on the spot beam (LIL) transponders on Nets 11 and 14 are too high. Without a designation in the guide data, we cannot detect an SD signal being transmitted in Mpeg4 encoding. DirecTV has been adding this information to the guide, one market at a time, slowly. As they do this, the count of HD channels on the spot beam transponders will drop, and the SD will increase.

    190821_pidcount.xlsx
    Last edited by Tom Speer; 08-21-2019 at 04:18 PM. Reason: Updated data
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    Unhappy

    DirecTV Band Plans, Frequencies, TIDs and TPNs
    Updated 01/26/2019
    Tom Speer

    The attached Excel workbook shows the four frequency bands used by DirecTV for broadcast. Each band is in a separate tab, with the frequencies arranged in order from top to bottom. The TPN numbers that DirecTV assigns to the 36 MHz wide digital channels is shown, as well as the TIDs on each satellite that use that frequency. Each 36 Mhz wide transponder can carry 6 to 8 SD or HD TV channels. The TPN number, used by the Signal Strength display on the receivers, is a reference to a frequency and polarity combination.

    The TID number is an index to a table of tuning parameters the STB needs to tune to a transponder. For all but the Ku Band, the TID number corresponds to a physical transponder on the satellite. The Net and TID numbers, taken as a pair, uniquely identify a transponder, its specific orbital position, frequency, polarity, modulation and encoding characteristics, to allow the receivers to tune to it.

    The Ku band is where DirecTV started. It carries mostly MPEG2 encoded SD channels. The TID numbers are simply one less than the TPN, and we cannot distinguish physical transponders on those satellites. But the (Net,TID) pair still specifies orbital position, frequency, polarity, modulation and encoding.

    The two Ka Bands are where all of the HD channels are, encoded in MPEG4 format. Some channels on these transponders are MPEG4 encoded, but are only in SD.

    The modulation characteristics of each transponder, whether Ka or Ku, is determined by the modulation of the uplink 36Mhz wide channel. There is no technical reason that the Ku satellites have to stay as MPEG2, except for the population of older SD only receivers with no MPEG4 capabilities. DirecTV has announced that they are phasing out MPEG2 SD.

    In order to reduce maintenance effort for these tables, I am no longer flagging the TIDs that are not carrying any programming. That information is available in the weekly PID count Excel workbook that I am now posting weekly.

    The Latin American Band Plan is updated if we get new data.

    Major Changes:
    6/22/15 SW2 out of service, D14 TIDs fully defined
    6/24/15 More D14 TIDs in service
    7/8/15, 7/10/15, 7/15/15, 7/22/15, 7/29/15 More D14 TIDs in service, SW1 losing channels
    7/29/15 added tab for RDBS frequencies
    8/5/15: Most of the TIDs for SW1 have been removed from the system. The remaining ones were loaded up. Some D14 spots were moved back to SW1
    11/08/15 Added TPN and TID for RDBS band.
    12/03/15 Corrected a long standing error in the frequency of the transponders on D5 @ 110. The LNB for that orbital position uses a different LOF, so we were miscalculating the actual frequency.
    12/30/16 Added Sky-Mexico
    4/12/17 Activated National Transponders on D14
    8/8/17 New Data for Latin America
    6/13/18 Remove 58W and 76W from SKY-Mexico
    8/8/18 Updated information for Reverse Band transponders and added reconfigured SW2 to the Ka-Hi Band Plan
    10/4/18 D15 replaced D8 at 101
    01/23/19 Updated Ka-Hi chart at 103

    Directv Domestic Band Plans 190126.xlsx
    SKY Mexico Band Plan 180606.xlsx
    Directv Latin America Band Plan 170816.xlsx
    Last edited by DataDigesters; 01-26-2019 at 11:46 AM. Reason: Update Domestic band Plan
    DataDigesters is a team effort of Doctor J and Tom Speer, cooperating to bring you the weekly data,

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    Direct Uplink Facilities and Earth Stations

    Updated 11/15/2017
    Doctor J

    The attached table summarizes the information from all of the FCC filings for the DirecTV Earth Stations that transmit data and digital streams to the satellites.

    Note that the FCC filings, in specifying the receive spot beams of the satellites, only specify "the area around Los Angeles, California" for instance, rather than a specific facility. The beams are not that narrow. So, any receive beam noted in the Satellite Transponder Tables as LABC for instance, would receive from any of the facilities in Southern California transmitting on their designated input frequency and polarity. Likewise the CRBC, SWUF, NEUF, NWUF, and MWUF all have diversity sites within the receive beam patterns, but separated from the primary site.

    Directv_Uplink_Facilties_11_15_2017.xlsx
    Last edited by DataDigesters; 11-15-2017 at 06:44 PM.
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    Reserved
    Last edited by DataDigesters; 04-20-2017 at 10:49 PM.
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    Reserved
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    Reserved #9
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    Originally posted 12/30/2016 :

    Muchas Gracias to Eduardo, our Latin American team member, on assignment in Mexico. I have added the Sky Mexico Band Plan to Post #5
    Tom Speer, N2HF, the curious otter. Part of the DataDigesters team.

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