Sirius Requests Authority to Launch 4th Satellite
Satellite Radio Tech World has found new information on Sirius FM-5, Sirius’ 4th satellite to be launched but 5th satellite they’ve made.
Alot of it is technical stuff that makes absolutely no sense to me and is extremely boring therefore I will post it. But you’ll still have to read some of it there.
On September 01, 2006, Sirius requested authority from the FCC to launch its geostationary satellite:
“Sirius hereby requests authority to launch and operate Sirius FM-5, a geostationary satellite, to provide satellite digital audio radio services to our subscribers and to Sirius Canada’s subscribers in the 48 contiguous states and Canada.”
- It will be compatible with current and next generation radios
- The requested location is 96 W.L., roughly center of NA.
- Will serve both the US and Canada
- Only 2 of the four satellites will be used at any given time. All for will be used.
-Will transmit at either 2322.29 MHz (Ch 1) or at 2330.21 (Ch 2) using 4.5 MHz bandwidth, using LHCP on the downlink. Why didn’t we know this sooner?!?!
- EIRP received at car -116.4 dBW; Flux density, -87.6 dBW/M^2.
- At a minimum, the satellite will transmit at 3 times during the day, “when one ‘live’ NGSO spacecraft rapidly recedes south of the border, and before the service link shifts to the “rising” satellite next in line”.
-The geostationary satellite as well as their present satellites will use an “overlay modulation” technique, which will add an additional 1.35 Mb/s throughput (a 30% increase!). (Overlay modulation will be implemented next year)
- This bad boy is going to be one of the most powerful satellites ever constructed w/ a 15 year life span.
-Construction begins 4Q 2008
Via Satellite Radio TechWorld and Satellite Standard Group
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