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OfflineKrazieH8er
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Registered: 11/08/03
Posts: 160
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XM radio hacks
    #3258079 - 10/20/04 10:43 PM (12 years, 4 months ago)

I recently aquired a xm radio reciever. How can I hack it to get free XM radio?


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OfflineAhronZombi
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Re: XM radio hacks [Re: KrazieH8er]
    #3258589 - 10/21/04 12:28 AM (12 years, 4 months ago)

that'd be kool but i dont think you can


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InvisibleVvellum
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Registered: 05/24/04
Posts: 10,920
Re: XM radio hacks [Re: KrazieH8er]
    #3258597 - 10/21/04 12:33 AM (12 years, 4 months ago)

hacking satelites. haha that would be fucking awesome.


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OfflineKrazieH8er
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Registered: 11/08/03
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Re: XM radio hacks [Re: Vvellum]
    #3258915 - 10/21/04 02:04 AM (12 years, 4 months ago)

I am not talking about hacking satelites. I mean putting some kind of code in it to pick up the signal. I used to work for directv, and people would make illicit cards to put in their recievers to pick up the signal. I mean something like that.


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InvisibleBoom
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Re: XM radio hacks [Re: KrazieH8er]
    #3259904 - 10/21/04 11:51 AM (12 years, 4 months ago)

OJ simpson knows about DirectTv


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OfflineKrazieH8er
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Registered: 11/08/03
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Re: XM radio hacks [Re: Boom]
    #3260008 - 10/21/04 12:26 PM (12 years, 4 months ago)

I can't find anything online about hacking a xm signal. It seems to me that it would be as easy as directv. When I worked for directv, every so often they would send a signal all across america that would basically fry anyones receiver that had a hacked card in it. I wouldn't care about that happening to this xm reciever though. THere has to be something that I can do with it.. any suggestions?


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OfflineRandolph_Carter
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Re: XM radio hacks [Re: KrazieH8er]
    #3260495 - 10/21/04 03:30 PM (12 years, 4 months ago)

I'd assume that the xm signal is run to a hardwired reciever chip.....you'd have to produce more specs on the ident process to even begin to think about crackin it.

Direct TV was easy because all you had to do was re-encode a magnetic strip....this could be umpteen times more complicated to fake, if it's a hardware ident.


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OfflineSeussA
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Re: XM radio hacks [Re: Randolph_Carter]
    #3261023 - 10/21/04 06:00 PM (12 years, 4 months ago)

> Direct TV was easy because all you had to do was re-encode a magnetic strip....

Not true. The card with Direct-TV is a smart card (ISO 7816) and actually has a fairly complex chip that does a lot of calculations to determine if you get to see a channel or not.


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OfflinePNutButta
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Registered: 10/06/03
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Re: XM radio hacks [Re: KrazieH8er]
    #3263335 - 10/22/04 02:36 AM (12 years, 4 months ago)

A write up in 2600 a few issues ago mentioned a theoretical solution. The author had cracked open a set and identified some of the chips, and believed they had a work around for that whole pesky payment thing.

The basic idea is that the command to activate/deactivate is sent with the regular signal, basically a signal that says YOUR_SERIAL_NUMBER_ACTIVATE / YOUR_SERIAL_NUMBER_DEACTIVATE. This signal would be sent several times to make sure it got to your set, but because of limited bandwidth, the signal cannot be sent forever. Therefore, disconnect all power supply to the unit (does it have an battery? crack it open and find out) and cancel your service. Wait like a month or so to make sure that they stopped sending the deactivate signal and reconnect the power. Since your set was never told to deactivate, you should have free service.

Don't know if it actually works or not, but give it a shot.


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OfflineSeussA
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Re: XM radio hacks [Re: PNutButta]
    #3264080 - 10/22/04 11:34 AM (12 years, 4 months ago)

> Wait like a month or so to make sure that they stopped sending the deactivate signal and reconnect the power.

If it is anything like direct-tv, they continually send out the deactivate signals, basically forever... They cycle through the entire list pretty quickly... faster than I would have thought possible.


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Invisibletwonewtz
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Registered: 07/13/04
Posts: 95
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Re: XM radio hacks [Re: Seuss]
    #3272499 - 10/24/04 08:11 PM (12 years, 4 months ago)

A FOAF used a computer hooked up to his DirectTV to confuse the signal. Called it an emulator? Yoy could download the program it ran off the net? Is this right? - I'm definately not savy.


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OfflinePNutButta
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Registered: 10/06/03
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Re: XM radio hacks [Re: Seuss]
    #3274643 - 10/25/04 10:45 AM (12 years, 4 months ago)

The article went into details about the bandwidth available to XM, as they have a very limited frequency range (especially compared to DTVs range). Due to this limited range, they can send very little extra data along with the music and would likely run out of space to continue sending old deactivate signals.

I would find it quite likely that they would go through the entire list whenever possible just as a little 'refresher' to make sure they caught everyone.

Maybe it would be possible to disconnect the chip (if there is a separate chip) that identifies the set. CueCat anyone?

I don't really know jack about satellite transmissions, so I can't confirm any details. Like I said, nothing proven, only a theory (not even mine).

--
edit: spacing


Edited by PNutButta (10/25/04 10:51 AM)


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