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| To: | [email protected] |
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| Subject: | LF: QRP WSPR beacon |
| From: | Andy Talbot <[email protected]> |
| Date: | Sat, 31 Jan 2009 13:25:57 +0000 |
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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.
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