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AO-40 K passband is Strange modulation.



orbit #1012 (01/13/03) and #1016(01/16/03)

AO-40 K band passband downlink signal was strange modulation.
I and JI5MFZ , JH1PEF experienced the AO-40 K passband downlink signal
expect late MA=131.
I uplinked USB both 70cm and 23cm then I received normal USB downlink on S2.
But K band downlink signal was undemodulate voice, not a USB or LSB.
Late MA 131 was normal when LSB uplink then USB clear K band downlink.

JA Ready for K band now
JH1AOY(120cm dish), JA1AUH(150cm dish), JH1UGF(60cm dish),
JI5MFZ(60cm dish), JA1ATI(45cm dish), JH1PEF(60cm dish)

JH1AOY, Masaji Tamagawa
16 Tsukahara Kimitsu city Chiba 292-1147, Japan
e-mail:wt1m-tmgw@asahi-net.or.jp
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