The HF antenna…

So, most members should be aware by now that the old 40m dipole has been removed and replaced with a new 40m dipole!  The feedpoint 1:1 balun was also changed for good measure and sealed thoroughly for the winter. But this is…

Antenna Maintanance

Yesterday myself, Andrew, Graham, Rex, John and John spent the day at the Chantry renovating the club’s antenna systems. Our plan for the day was to inspect the existing antenna systems, replace a section of coax between the attic and…

RSGB Convention 2016 update

Myself G0RVM and Peter 2E0UAR attended the RSGB Convention in Milton Keynes this year.  We left Bristol around 15:30hrs but got stuck in jam after jam.  Towards the end of the journey ‘here comes another set of blue lights’ was…

Fox Hunting with a TDOA Antenna

In preparation for the pedestrian fox-hunt that happened a couple of weeks ago, I decided to take a look around for some antenna designs that I could build at home. I came across a blog post which showed off a Time…

Cobwebb resonating. Part 2

Last week I wrote about recent work that identified where my G3TPW Cobwebb antenna was resonating on each of its five bands (20m, 17m, 15m, 12m and 10m).  Following on from that work G0MGM and myself spent a day recently adjusting my Cobwebb…

Cobwebb resonating. Part 1

I’ve had a G3TPW Cobwebb for almost a year but recently its moved location and is now on the top of a Total Mast Solutions 11m pneumatic mast.  Because previously it was in a temporary installation I didn’t think much…

Linear loaded 40m dipole

Whilst investigating options for a new 20m/40m antenna at my station I came across a QST magazine article by Lew Gordon, K4VX about a linear loaded dipole for 40m.  It’s not dual band, but it did catch my eye due to the well…

The Dipole Antenna

There is a good introductory segment by Gordon West, WB6NOA to the dipole antenna, the benefits of a resonant vs non-resonant antenna and a discussion of other simple wire antenna’s near the start of the the latest Ham Nation episode.  We…