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Total 3 documents matching your query.

1. Re: LF: OPERA on 500kHz (score: 1): Author: qrss <[email protected]>; Date: Thu, 26 Jan 2012 10:01:59 +0000; 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 sa; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00089.html (16,831 bytes)
2. Re: LF: OPERA on 500kHz (score: 1): Author: Roger Lapthorn <[email protected]>; Date: Wed, 25 Jan 2012 23:14:55 +0000; 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; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00318.html (12,760 bytes)
3. LF: OPERA on 500kHz (score: 1): Author: qrss <[email protected]>; Date: Wed, 25 Jan 2012 22:37:14 +0000; 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; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00502.html (12,837 bytes)

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