Wonderwand loop on HF

http://www.wonder-wand.co.uk/WonderWand/WW_Photos_files/TCL-ad01.jpg

Rather than go QRT because of the approaching storms, I decided to try my Wonder Wand Tunable Compact Loop antenna indoors on 20m WSPR. The loop is about 0.5m diameter. In my case, more for convenience, it goes to the rig via my Z817 ATU. SWR is perfect 1:1 on the tuned frequency. No TX spots seen yet at 2W, but no shortage of RX spots across Europe so far. The loop is just above the rigs in a far from ideal, indoors location.

WSPR spots so far today on 20m with the indoor Wonder Wand Compact Loop

UPDATE 0916z: My first TX spot on the indoor Wander Wand Compact Loop came from DJ6LB at -28dB S/N.

UPDATE 0944z:  Second TX spot was by DJ7KA at -26dB S/N.

UPDATE 1010z: I QSYed to 15m and am getting lots of spots on TX at just 2W.  Best DX report on 15m is from SM6WZI (1007km) at -6dB/-9dB S/N (i.e. strong) – it is amazing this tiny indoor antenna works so nicely. So far 6 TX spots of my 2W in just 8 minutes on 15m. Incredible. Sorry about the poor photo of the loop, but you get an idea of the set-up. It will work even better on 10m and 6m as the loop is larger electrically. Set-up is totally un-optimised: the loop just happens to be where it is.

UPDATE 1230z:  Now QSYed to 10m and the best DX on the Wonder Wand Compact Loop indoors is now LB9YE (1489km) at -25dB S/N with 2W.

 
10m WSPR spots with 2W today with indoor loop

Roger Lapthorn, G3XBM, is a regular contributor to AmateurRadio.com and writes from Cambridge, England.

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