Hello Andy, LF,
I'm also monitoring for Andy's WSPR signal, by I think it's optimistic
to hope for reception at this range, in daylight, of a -6dBm ERP
transmission.
I will leave it running unitl 20:30z, when I'll QSY for Jay's overnight
tests.
Cheers,
John
On Sat, 31 Jan 2009 13:25:57 +0000
Andy Talbot <[email protected]> wrote:
> I have a QRP WSPR Beacon going on the usual 503870Hz frequency.
> RF power is 100mW which gives an an estimated ERP of -6dBm - needless
> to say the reported power in the message is therefore wrong.
>
> Its operating at 100% duty cycle at the moment while the band is
> quiet - if anyone has probs, just give a shout here and I'll drop the
> rate.
>
> The WSPRnet database is showing Jim's copy of it at -29dB S/N, which
> compares well with the transmission an hour earlier when I made some
> antenna tuning tweaks and confirmed max power from the broadband PA
> as 140 Watts. Jim's report on that was +2dB S/N. 31dB higher and
> within 0.5dB of expected.
>
> Andy G4JNT
> www.g4jnt.com
|
