30 Apr 2017

10m JT65

As I had been getting no spots on 10m and 6m WSPR I have swapped to 28.076MHz (10m) JT65. As I recall, this mode was more successful than WSPR in the last Es season. Unfortunately, I can only use JT65 on a single band.

10m and 6m WSPR

Yet again I am back on 10m and 6m WSPR. 10m WSPR (100% TX, 500mW) and  6m WSPR (20% TX 1W ERP, 80% RX).

As yet no spots today.

QRP and QRP Club

As usual, Oleg RV3GM has written a report of recent activity:

Dear Club 72 members and friends,

Weekly QRP Rendez-Vous Report (April, 30, 2017)
Visitors  of  the  week:  UR0ET, RV3GM, US5ERQ, US3EN, UR7VT, SM2BYW,
Thanks all for activity!
Some pictures:
- ants hill on the UA0SBQ's forest position
- UA1CEG in the snow forest position
See full WQR Report and pictures on the blog page -
Thanks all for activity and see you on the next Rendez-Vous!

72! Oleg RV3GM / KH6OB "Mr. 72"

This is a periodic Newsletter of the Club 72. Don't reply to Newsletter address! Send any requests or news to
mr72@club72.su please.

Concert - NOT amateur radio

Yesterday was my wife's concert at the Cambridge University Music School in West Rd, Cambridge, UK. She sang Mendelssohn's "Elijah".  We were joined by old Liverpool university friends. The acoustics at this concert hall are very good. The concert was very good.

Sunspots and 10m - Sunday April 30th 2017

Solar flux is 76 today and the sunspot number 34. A=6 and K=2.

29 Apr 2017

CCS Concert Tonight - NOT amateur radio

Wife's concert tonight. West Rd Concert Hall, Cambridge at 7.30pm. Tickets should be available on the door.

See https://sites.google.com/site/cambschoral/ . Guess who does their website?

Turkey blocks Wikipedia? - NOT amateur radio

See http://www.bbc.co.uk/news/world-europe-39754909 .

This online encyclopaedia is one of the most famous in the world. Access to it is a sign of a nation being at one with itself and one that trusts its citizens. Countries that ban access to it usually have something to hide.

Bank Holiday Rally

This Monday is a national holiday in the UK - May Bank Holiday. There is a west country rally as detailed below.

MAY 1st 2017 (Bank Holiday Monday) : 33rd DARTMOOR RADIO RALLY

Tavistock College, Crowndale Road, Tavistock, Devon PL19 8DD Doors open at 10:30am with disabled visitors gaining access at 10:15am. Admission is £2 with under 14s free accompanied by an adult. There is ample free car parking on site with catering available too. There will be trade & club stands and the usual Bring & Buy. Details from: Viv Watson, G7AWG on 01752 823 427 or by email to

A list of rallies can be found at

Crystal set DXing

This is not as easy as it once was as there are fewer English language AM broadcast stations left on the traditional shortwave broadcast bands. Nonetheless, you may be surprised by what you hear.

My best DX on a simple crystal set is Radio Australia (broadcasting from Australia, not via a relay), All India Radio, Cuba and the VOA from Liberia years ago. You can even envelope detect amateur SSB signals although IDing these can be tricky. Remember, all the power is provided by the TX with none required at the RX end.

See https://sites.google.com/site/g3xbmqrp3/hf/crystalset

10m and 6m WSPR yet again

At the moment I am on 10m WSPR (100% TX, 500mW) and 6m WSPR (1W ERP 20% TX,  80% RX). I am seeing some UK spots on 6m, but no Es yet on either band.

UPDATE 1312z: G0LUJ (278km) is the best copied on 6m WSPR this morning. EA1FAQ (1249km) spotted me on 10m WSPR. I think the latter was Es. There is some Es about. G4APB (88km) has also been spotted on 6m WSPR.

UPDATE 1324z: I see that G4KPX (14km) has spotted my 500mW beacon on 10m WSPR. No doubt Richard is looking a bit further afield!