It is understood that signals were received by JA1GDE, JA5BLZ, JA6PL and JA2MJA.
On May 23 Mineo Wakita JE9PEL decoded the AX.25 telemetry data and made available this recording:
The AX.25 transmissions are being made when HORYU-2 is within range of Japan. In the rest of the world it is transmitting a CW beacon on 437.375 MHz as shown in this video by Luciano PY5LF.
Watch HORYU-2 Over Brazil in 22 May 2012
Listen to HORYU-2 on the web http://www.uk.amsat.org/7594
HORYU-2 Telemetry Software and Competition http://www.uk.amsat.org/7474
HORYU-2 Separation Video http://www.uk.amsat.org/7540
More information about HORYU-2 http://www.uk.amsat.org/7404
HORYU-2 Japanese Operating Schedule http://tinyurl.com/HORYU-2-Schedule
Keplerian Two Line Elements (TLEs / KEPS) for new satellites launched in past 30 days
Amateur satellite Keplerian Two Line Elements (TLEs / KEPS) http://celestrak.com/NORAD/elements/amateur.txt