Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

30 May 2010

6m WSPR

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Just decided to do a little 6m WSPR beaconing this afternoon and evening. So far no reports of my signal, but I'm copying EA4BMG quite ...
1 comment:
29 May 2010

Concorde to fly again?

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There are moves afoot to get Concorde, the supersonic jet, flying again on memorial flights and it is possible it may yet fly over London at...
2 comments:

The latest VLF receiver

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Here is a picture of the latest version of my VLF 1-2kHz receiver for use with my 80cm loop. The version before this (Wednesday) had one le...
28 May 2010

RockMite 20 QRP build video (N2JMB)

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Just came across this video showing the build of a Small Wonder Labs Rock Mite 20 QRP transceiver.
27 May 2010

Portable crystal set DXing (in 1922)

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Wonderful silent movie from 1922. See http://www.britishpathe.com/record.php?id=2616st5
4 comments:

Building a wax cylinder player

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A band called The Men That Will Not Be Blamed For Nothing is putting one track of their next album on a wax cylinder available from 1 June....

0.5km on earth-mode with 4W

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This evening I achieved my best results so far with 1kHz earth mode TXing on a 20m base electrode pair and receiving on an 80cm loop and li...
26 May 2010

Computer mouse problem

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You must read this http://myweb.tiscali.co.uk/wgtaylor/FM.pdf . It is a true account of a PC problem that really did turn out to be a mouse...
1 comment:
25 May 2010

Resonating the VLF receiver loop

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Today I've been resonating my receiving loop to see if this improved things. Well, I tried it - no better. Then I improved the active hi...
24 May 2010

More earth mode experiments at 1kHz

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This evening I extended my TX electrode spacings by connecting one end to the copper pipes in the house, almost doubling the effective TX ...
1 comment:
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Roger G3XBM
Burwell, Cambridge, United Kingdom
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