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Re: LF: OPERA on 500kHz

from [qrss] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: OPERA on 500kHz
From: qrss <[email protected]>
Date: Thu, 26 Jan 2012 10:01:59 +0000
In-reply-to: <CAHAQVWOKoFSCF33NZrFZiq6nsQLpKB+bTU-6Hzf7UHSDZUq5Ng@mail.gmail.com>
References: <[email protected]> <CAHAQVWOKoFSCF33NZrFZiq6nsQLpKB+bTU-6Hzf7UHSDZUq5Ng@mail.gmail.com>
Reply-to: [email protected]
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Yes Roger

I said to you in an e-mail reply, shortly after switching on the QRPp TX that I didn't hold out much hope due to the Top Hat loading on the inv.L being absent.
I might add that this self same little TX prior to my modding for A1A has spent several weeks on the self same antenna unannounced, running 24/7 FSK QRS3 and QRS10 on 500kHz with not a single report.

This compares with my QRPp experience on 30MHz. There is a network (well a small cobweb) of dedicated QRSS group members with full and part time Grabbers avidly looking for QRSS signals on 10meters. My QRPp TX has been running for several YEARS with not a single report. YET the self same TX QSY's a few kHz to send WSPR every 10 minutes and brings in daily worldwide reports.

This is practical experience, everyone must draw their own conclusion, I am saying nothing.

Overnight another report adding 6km to the distance record. :-)
G3ZJO PC1Z unknown OPERA 496 kms 04:07:16


On 25/01/2012 23:14, Roger Lapthorn wrote:
Good going Eddie.

73s Roger G3XBM

On 25 January 2012 22:37, qrss <[email protected]> wrote:
Running rather less than 200uW ERP on 500kHz OPERA4 tonight from a QRPp TX using my usual tiny BFY50 plus complementary PNP PA stage. Continuos transmission with 12 WPM Morse ident between the Opera chorus.
Results are outstripping the recent 2 weeks I spent running WSPR on the band with only G3XIZ reporting.
5P1JYA on RX is a mystery.
Txmtr Rcvr Band Mode Distance Time (UTC)
G3ZJO PA0AM unknown OPERA 321 kms 21:30:36
G3ZJO PA0A unknown OPERA 493 kms 21:06:25
G3ZJO G3ZJO unknown OPERA 0 kms 20:51:58
G3ZJO G0KTN unknown OPERA 144 kms 20:03:33
5P1JYA G3ZJO unknown OPERA 899 kms 18:43:54

Eddie




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