Harwell Amateur Radio Society (HARS) is a local club of amateur radio enthusiasts. Members come mainly from south Oxfordshire but the society has become well-known in the UK and throughout the world. It is affiliated to the Radio Society of Great Britain. Please have a look around our website for information about us, events we organise (including our annual rally), amateur radio information and our monthly QAV newsletter.


We meet at 19:45 on the second Thursday of every month at Chilton Village Hall. Please see our events page and look at the club calendar for details of all club events.

What's new?

Monday 13th January 2020:

Construction Contest - Thursday 13th February 2020

IAn opertunity for club members to show their construction projects of the last year and winner decided by the votes of members.  Thursday 13th February 2020 20:00 at Chilton Village Hall, Chilton, Didcot.  For further details contact Ann G8NVI at secretary@g3pia.net

Tuesday 29th October 2019:

Harwell Radio & Electronics Rally - Sunday 9th February 2020

Bookings from traders and special interest groups are now being accepted for the Harwell Radio & Electronics Rally to be held at Didcot Leisure Center, Mereland Road, Didcot on Sunday 9th February 2020.  For further details see our rally pages or contact the Rally Organiser.

Sporadic Es

VHF Aurora : Status
144 MHz Es in EU : Status
70 MHz Es in EU : Status
50 MHz Es in EU : Status
144 MHz Es in NA : Status
From The DXrobot
Today's MUF & Es : Status

HF Propagation

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