Timely info, as I am going to rebuild my directional satellite array this week using: 144: M2 2M7 12.4-dBi (vert-pol) 432: M2 436CP24 14-dBic (est.) RHCP (rear half of 436CP42) 2401: L-com Patch 8-dBic RHCP No L-band http://www.kl7uw.com/MODSATTWR.jpg
I may add pol switch to the 432 x-yagi later on. This is my minimized array to lower wind resistance and get a tracking array back up in mid-winter. I can consider restoring the fully antenna array next summer when able to lower the tower on hinge-over base using my pickup truck. At 11:10 AM 12/21/2010, Alan P. Biddle wrote: >John, > >It is linear. You are right that the information exists, but is sometimes >not readily available. A good place to look is the Weekly Satellite Report >which AMSAT distributes. For many, but not all satellites, that information >is just below the frequency information. For AO-51 we find: > >Mode and Antenna Polarization: > >V: Linear >U: TX A (usually digital)LHCP > TX B (usually analog) RHCP >L: Linear >S: Linear > >Alan >WA4SCA > > > > > > >-----Original Message----- >From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On >Behalf Of jmfranke >Sent: Tuesday, December 21, 2010 1:57 PM >To: amsat-bb@amsat.org >Subject: [amsat-bb] AO-51 S-Band antenna polarization > >Does anyone know the polarization of the 2.4 GHz transmissions from AO-51. >Are they circular? If so which polarity, RHCP or LHCP? Are they linear? >If so is there a preferred receiving polarization? I have examined the >AMSAT web site and many references on the Internet, but cannot seem to find >the answer. > >Thanks, > >John WA4WDL AMSAT member 10211 > > >_______________________________________________ >Sent via amsat...@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...@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 73, Ed - KL7UW, WD2XSH/45 ====================================== BP40IQ 500 KHz - 10-GHz www.kl7uw.com EME: 144-1.4kw*, 432-100w*, 1296-testing*, 3400-winter? DUBUS Magazine USA Rep dubus...@hotmail.com ====================================== *temp not in service _______________________________________________ Sent via amsat...@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
