Hi, Ralph! Yes, the activity on 3523 and 10125 seem to be different. At 0210 UT 3523 is in parallel with 5027 kHz. The reported 0410 sked (or is it 0400 UT?) is on 3523 but not 5027 kHz. 73, ... Martin VE3OAT Ralph Cameron wrote: > Martin: > > there do seem to be audible differences in the keying between the 3523 and > 10125 outlets, but need to record the 3523 one and compare. > > Ralph