I heard 2.4GHz signal many times in this orbit. The spurious signal will be heard lower than about 56kHz from the nominal frequency, it may sound rather strongly. The followings are the image that I received this real signal and spurious signal. At the 2400.244 MHz, I heard the clear and stable sound of them. Perhaps it might not be a spurious signal. This deviation signal might be the real signal of HORYU-4 2.4GHz.
05:22-05:34 UTC, 20 Feb 2016, Ele 40 WS-S-E, 2400.300MHz 100kbps BPSK 07:03-07:16 UTC, 20 Feb 2016, Ele 45 W-S-SE, 2400.244MHz 100kbps BPSK
http://www.dropbox.com/s/yg41q64m69dnitc/60220hr4.wav?dl=0 http://www.ne.jp/asahi/hamradio/je9pel/hor4ch23.htm#ghz http://www.ne.jp/asahi/hamradio/je9pel/60220hr1.png http://www.ne.jp/asahi/hamradio/je9pel/60220hr2.png http://www.ne.jp/asahi/hamradio/je9pel/60220hr3.png http://www.ne.jp/asahi/hamradio/je9pel/60220hr4.png
JE9PEL, Mineo Wakita