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Re: Some more details of XW-1




wonder how many of these we could have had (with maybe an AO-10 or two thrown in) for the dollars spent on AO-40?  

Robert WB5MZO life member

> From: n3tl@bellsouth.net
> To: JamesDuffey@comcast.net; bd5rv@jsdxc.net
> Date: Sun, 5 Oct 2008 16:30:38 +0000
> CC: amsat-bb@amsat.org; stanw1le@verizon.net
> Subject: [amsat-bb] Re: Some more details of XW-1
> 
> It really does sound pretty cool. I'm already looking forward to chasing it across the sky with my handheld!
> 
> 73 to all,
> 
> Tim
> -------------- Original message from James Duffey <JamesDuffey@comcast.net>: -------------- 
> 
> 
> > This sounds like a nearly ideal LEO satellite. 
> > 
> > An FM cross band repeater to get newcomers to use the satellite 
> > without new investments. 
> > 
> > A linear transponder for more serious work that the FM ops can move up 
> > to. It seems to me that when the FM ops see what others are doing with 
> > the linear transponder on the same satellite it will be a good 
> > incentive to move up. More QSOs, better DX, less QRM. 
> > 
> > And a digital transponder for those so inclined. 
> > 
> > Kind of one stop shopping. 
> > 
> > It could be a bit higher, but one can't hope for everything. - Duffey 
> > 
> > 
> > 
> > 
> > On Oct 5, 2008, at 9:56 AM, Michael Chen, BD5RV wrote: 
> > 
> > > Hi, guys, 
> > > 
> > > Here are some details about upcoming Chinese XW-1: 
> > > 
> > > Orbit: Sun Synchronous Orbit 
> > > Altitude: 499km 
> > > Inclination: 98 degrees 
> > > Period: 94 minutes 
> > > 
> > > Weight: 35kg 
> > > Size: 550mm * 350mm 
> > > Temperature: -20 to +45C 
> > > Power: Li ion battery: 16Ah 
> > > Long-term maximum power: 8W 
> > > Short-term maximum power: 18W 
> > > 
> > > Payload: 
> > > Amateur radio payload: 5.2kg 
> > > Youngster's experiment payload: 1.6kg 
> > > CMOS camera: 0.2kg 
> > > 
> > > About amateur radio payload: 
> > > Beacon: 435Mhz, CW 20dBm 
> > > Linear transponder: RX: 145Mhz, TX: 435Mhz, 40KHz, 30dBm 
> > > FM Transponder: RX: 145Mhz, TX: 435Mhz, 16KHz, 30dBm 
> > > Digital store and forward transponder: RX: 145Mhz, TX: 435Mhz, 
> > > 16KHz, 30dBm 
> > > 
> > > 145Mhz RX Antenna: 2dBi, 135 degree, LHCP, unpacked by remote 
> > > control after entering the orbit. 
> > > 435Mhz TX antenna: 2dBi, 135 degree, RHCP, unpacked by remote 
> > > control after entering the orbit. 
> > > 
> > > 
> > > 
> > > Michael, BD5RV/4 
> > > _______________________________________________ 
> > > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the 
> > > author. 
> > > Not an AMSAT-NA member? Join now to support the amateur satellite 
> > > program! 
> > > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb 
> > 
> > -- 
> > KK6MC 
> > James Duffey 
> > Cedar Crest NM 
> > 
> > 
> > 
> > 
> > 
> > _______________________________________________ 
> > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. 
> > Not an AMSAT-NA member? Join now to support the amateur satellite program! 
> > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb 
> _______________________________________________
> Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

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