in beijing city has longer times on ao-51 downlink(435.300fmn) listen has very strong for local station to qrm and this qrm no callsign only "has number calls "."<amateur radio>". who can till me ... who can explain tihs ...... very strong qrm !!! and some chinese no1 amateur radio on vo-52 uplink: 435.220-435.280 mhz lsb/cw in use fm modes to longers time to have a gossip .for qrm in it downlink qrm from local station
ao-51 qrm downlink so vo-52 qrm uplink .......

please my friends out to the satellite frequencies !!! thinks vy 73