31 Oct 2009

500kHz - two new reports and a new country

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M0DUO (104kms away) spotted my 500kHz WSPR beacon late this evening. Then in the middle of the night my first report from The Netherlands f...

AA1TJ's Code Talker TX

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Mike Rainey has now added a schematic to his page on the New England Code Talker CW transmitter powered and keyed only by audio derived fr...

LC Meter - a nice kit

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Some months ago I bought a PIC based LC meter kit from the Cambridge Radio Club (CDARC). This was a club project and the unit allows very a...

20th station hears me on 500kHz

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Last night M0WKR (IO94 at 237kms) reported my 500kHz WSPR beacon bringing the total number of unique reporters up to twenty.
30 Oct 2009

The 500kHz ATU

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This is a close up picture of my 500kHz ATU which consists of a ferrite rod with thin copper wire tapped at various points to which the ant...

AA1TJ's "Code Talker TX" - all voice powered

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Mike Rainey continues his work on purely voice powered transmitters , in which just the energy in his voice is used to power the RF circuits...
29 Oct 2009

A good evening on 500kHz QRPp

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This evening my 500kHz WSPR beacon has been running from 1700-2300z, still with less than 1mW ERP . As the map shows, this is not preventing...

A 19th reporter on 500kHz

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G4EFE managed to hear my WSPR beacon on 500kHz several times last evening (127kms) bringing the total number of unique stations receiving m...
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26 Oct 2009

500kHz - an 18th station hearing me

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This morning at around 0930z I received a new report for my 500kHz WSPR beacon, this time from G0HNW who is 200kms away. This brings the tot...
25 Oct 2009

CQWW contest summary - 10m was great

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With darkness falling now 10m is going quiet after an exciting 2 days. In the end, my 5W SSB and halo antenna worked 35 stations in 20 count...