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Old 08-10-2005, 02:50 AM   #16
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Quote:
Originally Posted by roscoryan
The reviews of the XM/Delphi repeater weren't good...it sounds kinda worthless in many cases I guess.

The original Sirius Repeater was a great idea, but it got nixed by the FCC.
Yeah, where are these bad reviews? And, EXACTLY what are the differences the Delphi and the "original Sirius repeater"? Be SPECIFIC!!
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Old 08-10-2005, 08:14 AM   #17
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Quote:
Originally Posted by Scorpion
Quote:
Originally Posted by roscoryan
The reviews of the XM/Delphi repeater weren't good...it sounds kinda worthless in many cases I guess.

The original Sirius Repeater was a great idea, but it got nixed by the FCC.
Yeah, where are these bad reviews? And, EXACTLY what are the differences the Delphi and the "original Sirius repeater"? Be SPECIFIC!!
Um, Dude... Decaf?
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Old 08-10-2005, 09:14 AM   #18
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I was really hoping that this would happen. I wanted to be able to listen to my BB anywhere in the house, not just my office and the garage.

Oh well. :\
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Old 08-10-2005, 09:59 AM   #19
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The thing with this repeater is... it's only 75 feet and you have to drag the antenna and radio around with you. Not that it's not cool. Hmm, It may be better to invest in a different technology.

Maybe that is what Sirius is doing. Something like a passive cell phone repeater? I think the term is passive radiator as applied to Radio Frequency? With that you could use the antenna in a portable reciever.

But this is the best thing we got for now and there is NO reason Sirius couldn't build it. All it does is make the connection between the antenna and the antenna connector on the radio wireless. It takes the downconverted signal off the antenna, sticks it on a 900 Mhz link, blips it to an antenna located near the recever that converts it back into the sat signal and feeds it to the radio.

What is the FCC licensing issues in that? So it leads me to believe they are working on something else? Is the 900 Mhz band too crowded with phones and crap? Since the technologies are similar I wonder if this could be modified to work with Sirius Frequencies. The modulation schemes are the same aren't they?
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Old 08-11-2005, 06:12 AM   #20
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Is there any reason the XM repeater couldn't be used for Sirius? Its been a while since I've looked but I thought there was very little difference between the Sirius and XM antennas.

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Old 08-11-2005, 09:07 AM   #21
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I have been wondering that. My first thought is the repeater must be tuned or have a band pass filter that would limit the unit to "repeat" the frequencies licensed to Sirius. But who knows?
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Old 08-11-2005, 09:51 AM   #22
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Quote:
Originally Posted by RoadClosed
I have been wondering that. My first thought is the repeater must be tuned or have a band pass filter that would limit the unit to "repeat" the frequencies licensed to Sirius. But who knows?
That's good thinking. I would back up a BPF with a notch filter to blank out the Sirius band, if I worked at XM, to preclude the competition from making use of my technology. Other than that, the two frequency allocations are so close and the bandwidths so narrow that I don't see any real problem with using XM equipment for Sirius signal reception. Hmmm. I'm gonna hafta try that! Now where did I put all my XM crap when I switched over to Sirius?
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Old 08-11-2005, 10:11 AM   #23
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Quote:
Originally Posted by IntelligentDonkey
Is there any reason the XM repeater couldn't be used for Sirius? Its been a while since I've looked but I thought there was very little difference between the Sirius and XM antennas.

ID
Yes there is a reason. They operate on different frequencies with totally different ways they divide up the spectrum. These repeaters are intelligent in that they completely decode the signal on the front end, and then convert it to some other frequency to retransmit, then decode that signal and generate the original signal. It's a convoluted way to do it, but the FCC does not like a generic repeater that just rebroadcasts everything within a given frequency band.
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Old 08-11-2005, 02:10 PM   #24
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This is all speculation of course but I doubt they "decode" anything Manco unless you have some inside info.. They may convert it to 900 megahertz and back but I don't see why they would mess with the signal at all.

To decode the signal it would take a key?
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Old 08-11-2005, 02:13 PM   #25
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Quote:
Originally Posted by roscoryan
The reviews of the XM/Delphi repeater weren't good...it sounds kinda worthless in many cases I guess.

The original Sirius Repeater was a great idea, but it got nixed by the FCC.
I keep seeing this assertion that the repeater was nixed by the FCC, but, have never seen and evidence of that fact. Can you point me to more info so I can sort it out for myself??

EVERYONE who is interested in this topic should express their desires directly to Sirius!! That will be several orders of magnitude more effective than wondering about it here.
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Old 08-11-2005, 02:59 PM   #26
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the repeaters may have produced too strong of a signal for personal use. Sirius may have felt that it would be too weak of a signal after complying with the FCC for the price we would be paying and decided to totaly redesign it. i dont know what the FCC regulations are on personal satelite broadcasting but i do know they put pretty tight restrictions on personal FM broadcasting.
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Old 08-11-2005, 03:03 PM   #27
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Personally, I think the FCC issue is a front for a missed internal deadline, or a change in direction.

I agree with DarkSpoon, I'd much rather see a redesigned repeater, perhaps something with superior coverage over 802.11.

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Old 08-11-2005, 03:29 PM   #28
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oh the fun you could have with it being transmitted with 802.11. though i think this would produce the problem of "stealing" satelite radio from anyone with one of these devices since it could be picked up by anyone with a wireless card on their pc/laptop. where as if it just relayed the sat signal in its true form only people with legit subs could listen. but i dont know maybe that have some tricks up their sleave. only time will tell.
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Old 08-11-2005, 03:45 PM   #29
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The sirius repeater was going to us 802.11? If you read the XM manual, there is strong idication that 900 Mhz interference could be an issue, evident in the fact there is a poor adjustment for output power.
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Old 08-12-2005, 12:43 AM   #30
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Quote:
Originally Posted by RoadClosed
The thing with this repeater is... it's only 75 feet and you have to drag the antenna and radio around with you.
"Dragging the receiver and antenna around with me" does not sound bad at all and is what I was prepared to do with it. Don't forget though, Right now, without the repeater, you'll not only be dragging the receiver and antenna around, you'll be limited to where you can use it and you'll have a trial/error in getting a signal.
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