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AM-21 questions...

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by bnwrx, Oct 15, 2013.

  1. bnwrx

    bnwrx Icon

    1,077
    32
    Dec 29, 2007
    colorado,...
    Wanted to get some feed back on these units. Currently DTV and our local ABC affiliate are in a dispute. We can get the channel, as well as the other major networks, thru an OTA antenna. My questions are, does the AM-21 still find the local signals? I 've read in these Forums that because of a Firmware update they don't always find the local signals. Is that true? Also I assume you connect it to the HR44 via USB. Is it powered thru the USB connection or thru a wall outlet? If the HR re-boots, does the AM-21 also need to re-boot? Thanks for any help with these Q's.....
     
  2. HarleyD

    HarleyD Hall Of Fame

    1,357
    62
    Aug 31, 2006
    The AM21 is dependent on what is contained in the guide data..at least for all of the HR2X models. It does not do a channel scan. If there are any channels in your area that are not included in the guide data, they will not appear in your guide and you will not be able to tune them in.

    I am not sure about the current status of the Genies on that front. At one time the HR34 would do a channel scan but I don't know if that is still the case.
     
  3. bflora

    bflora Legend

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    Nov 5, 2007
    Genies now no longer scan. They act just like hr2X with AM-21.
     
  4. bnwrx

    bnwrx Icon

    1,077
    32
    Dec 29, 2007
    colorado,...
    So there is no way to check my HR44 if OTA Guide data is present until an AM-21 is attached to it? Is that correct?
     
  5. bpratt

    bpratt Godfather

    647
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    Nov 24, 2005
    Salt Lake...
    You can go to this DirecTV site:

    http://www.directv.com/DTVAPP/content/hd/hd_locals
     
  6. bnwrx

    bnwrx Icon

    1,077
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    Dec 29, 2007
    colorado,...
  7. CATCRAW

    CATCRAW Legend

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    Mar 27, 2008
    We too lost several local stations due to the DTV /Station owner dispute. Luckily when they installed the HR-44 Genie I kept my AM-21 connected and it works fine. I would think that since DTV carried the staion before the dispute it would be there via OTA as ours are currently.
     
  8. bpratt

    bpratt Godfather

    647
    6
    Nov 24, 2005
    Salt Lake...
    When you click on the link, on the line that says Zip Code, type in your zip code. Then page down to Channels and click Local Channels. It will list the local channels you can receive for your zip code.
     
  9. bnwrx

    bnwrx Icon

    1,077
    32
    Dec 29, 2007
    colorado,...
    Thank you.....
     
  10. HoTat2

    HoTat2 Hall Of Fame

    7,080
    165
    Nov 16, 2005
    Los...
    No, the TS is referring to local channels broadcast OTA which are not necessarily the same as ones DIRECTV carries on their system and sent to subscribers in a market over the satellites.

    Anyway, short of installing the AM21 to actually see if the DIRECTV OTA database has the local channels you want stored. Your best option is the download Gary Toma's Excel Spreadsheets of the latest satellite and OTA channel maps from here;
    http://www.dbstalk.com/topic/200951-transponder-maps-domestic-latinam-data-refresh-1092013/

    And look under the OTA tab for your market's listings. The list is not always accurate, but usually very good.

    Other than that you will need to have someone else in your market who is using an AM21 in their setup on this forum post what is in the channel line-up.
     
  11. glrush

    glrush Cool Member/Supporter DBSTalk Gold Club

    28
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    Jun 29, 2002
    I have the AIM-21N hooked up to a Genie HR44. It mapped all the networks and the sub channels so I can record ME-TV etc. It is pretty sweet !
     
  12. slice1900

    slice1900 Well-Known Member

    6,540
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    Feb 14, 2013
    Iowa
    I would expect that every station that Directv delivers via satellite they'd have guide data for if you receive it via OTA. Is that not the case?
     
  13. JosephB

    JosephB Icon

    1,300
    36
    Nov 14, 2005
    Birmingham, AL
    In terms of a major network affiliate, chances are they have the guide data. Usually missing guide data impacts smaller or low power stations or the subchannels of big stations. Especially if there's a dispute, I'd be willing to bet DirecTV has the guide data. But, it is true that the AM21 will not scan in stations it does not have guide data for.

    For your other questions, since you have the HR44 with the external power supply, you will need to run a separate power cord to the AM21. For all the older receivers, you would disconnect the power cord from your DVR, plug it into the AM21, and then the AM21 has an "outgoing" power cord that would loop into your DVR, meaning you only needed one outlet. This will not work on the HR44 because the HR44 has an external power supply. The AM21 is not powered via USB. Finally, when the HR44 reboots, the AM21 will reboot. It should be noted that the AM21 is a tuner only, it doesn't do any recording or hook up directly to your TV in any way, so don't think of it as a separate unit from the HR44 in those terms. Think of it as if you were putting the circuitry inside the HR44. That's how it works from a logical perspective
     
  14. bnwrx

    bnwrx Icon

    1,077
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    Dec 29, 2007
    colorado,...
    Great info....thank you!
     
  15. coconut13

    coconut13 Member

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    Apr 14, 2013
    Here is some info for you. If you have a good antenna signal your AM21 will pick-up every channel your antenna picks-up. What is your DMA (Designated Market Area). This would tell you which channels are in D* database of channels and the ones with guide info. You can maybe even get some channels not in D* database by matching channel or RF channel numbers. But you will get any channel that your antenna receive's in your home DMA that is in D* database with guide info. The guide info is totally contingent upon D* database of channels. If it's in the database you will have guide info, if it's not you won't. So your home DMA is what really determines your situation.
     
  16. HoTat2

    HoTat2 Hall Of Fame

    7,080
    165
    Nov 16, 2005
    Los...
    I'd expect it too, and may very well be true;

    It certainly makes sense that way.

    But given DIRECTV's frequently flawed OTA database which does not seem to even be upgraded any longer, I just didn't want to be too dogmatic about anything regarding it. :)
     
  17. DirecTV 

    DirecTV  New Member

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    Oct 10, 2013
    If the sticking point is that the OTA channels acquired with the AM21 (or HR20) may not include some of the lower power and sub-channels, then you still have the option of splitting the OTA signal and inputting one coax into the AM21 and the other directly into the TV.
    The primary advantage of the AM21 is that it:
    1) integrates the OTA channel schedule into the guide
    2) enables recording of the OTA channel with the DVR
    The tuner in the TV will pick up all of the OTA channels, including the ones not acquired by the AM21, as a gap filler.
    The TV OTA input can also serve as the PIP channel.
     
  18. thebigeazy

    thebigeazy Cool Member

    48
    0
    May 12, 2006
    South Louisiana
    I live in Slidell, LA, about 40 miles from the New Orleans TV transmitters, and about the same distance from the Biloxi/Gulfport, MS TV transmitters. Using two antennas, one pointing to New Orleans and one pointed to Biloxi, I was able to receive over 30 OTA channels, and all of them showed up in the DTV guide, including a "local" LPTV station directed to the New Orleans hotels and restaurants.
     
  19. HarleyD

    HarleyD Hall Of Fame

    1,357
    62
    Aug 31, 2006
    I live in Winter Haven, FL and I get the same type of results pulling in channels from both Tampa and Orlando...except that I get about 70 of them!

    I also don't need two antennas. From where I am the Tampa and Orlando "antenna farms" are almost exactly 180 degrees from one another. My antenna is pointed toward Tampa, but I get get strong enough signals from Orlando on the back side of my antenna to tune in those channels except when the weather gets heavy.

    Although, since I am closer to the Tampa transmitters by 10 or 20 miles I am considering turning the antenna toward the more distant transmitters in Orlando and getting the Tampa channels from the back side of the antenna since I don't believe those will be as greatly impacted by weather.

    Personally, I love the AM21 and having the access to all the OTA signals in my area. I have an AM21 on all of my HD-DVRs but one...and that one is an HR20 with integrated ATSC tuners.
     
  20. bnwrx

    bnwrx Icon

    1,077
    32
    Dec 29, 2007
    colorado,...
    WOW!! Unbelievable that you guys get all those OTA channels! I get only from 1 market (Colorado Springs). I maybe could get the Denver market with a 75' pole!! I would be happy to get the Denver market(much better local news). As it is my county is only allowed to rec'v the Springs channels (one of which is in this dispute). The next county over, about 6 miles away is considered in the Denver market and rec'vs those locals.
     

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