[amsat-bb] Re: Polarization for ISS and Weather Satellites

[Trevor .]

Some guidance regarding Amateur use of circular polarization is given by IARU Region 1 in the VHF Managers Handbook. 

IARU-R1 recommend that "Looking into the direction of transmission, helical beam aerials shall have a right-hand thread."

See page 122 - 8.8.5 IARU region 1 Technical Recommendation P.1 at 

http://iaru-r1.org/index.php?option=com_remository&Itemid=173&func=startdown&id=428

73 Trevor M5AKA