GNU Radio Beacon Receiver (GRBR)

GRBR home Design information Beacon Satellite Info. (TLE file and source) Where is GRBR? Link . . .

Useful links === Software and software defined radio (SDR) === GNU Radio USRP (Ettus Research) Ubuntu Scipy matplotlib ipython spe pyephem tle2azel (this is copy from original) easy_install === Hardware related === Hamtronics Inc (preamp.) Mini-cuituits Inc. (useful amp. & others) Lark Engineering (filter) Temwell Co. (filter) Design and construction of QFH antennas How to make QFH antenna (in Japanese, but many useful figures are here) QFH antenna information (detailed figures are here, in English) === Satellite information === Celes Trak === Other projects === Midas beacon receiver === Our institutes and facilities === RISH, Kyoto University MU radar Equatorial Atmosphere Radar