Roger G3XBM's (Mainly) Amateur Radio Blog

 As you can tell, I seem to back losers!! A reminder that the 4m activity contest is on tonight starting at 1900z (8pm UK clock time). I hop...

This is band I have not tried for many years. Many years ago I got on the band with this homebrew transverter and a wire dipole. It was in G...

It is some years since I have been on 4m. There are now far more countries on the band many within Es range. The last time I was on the band...

Certainly until last year there was a website dedicated to the 4m (70MHz) amateur band. A casual Google search failed to find it. It may hav...

  At one time very few countries had access to this band and there was no commercial gear.  Now it is widely available, especially in Europe...

It is very many years since I was on the 4m (70MHz) amateur band. When I was first on in the late 1960s most operation was in the British Is...

One of my Facebook memories today was this photo of my QRP 4m transverter designed and made in 2011. I have not been on 4m for a very long ...

EI7GL reports  on his blog that the team in Cape Verde intend to try 4m operation in the coming Es season. There is some doubt that they wi...

Southgate News reports that 4m will again be available in 2020 for German amateurs. As Ger ismany at just the right range in Es openings, th...

Although this has been on the blog before, it is worth repeating it as it may spark ideas in some people. I have to confess it is some yea...

It is many years since I went, briefly, on 70MHz with a homebrew QRP transverter and a wire dipole. Even with this some impressive inter-G...

Some years ago at the old QTH (2012?)  I designed and built this transverter for 4m (70MHz) . As I recall I erected a wire dipole for the ...

With more and more countries now getting access to 4m (70MHz), I am seriously thinking about getting active on this band. Many years ago I d...

More and more countries are getting access to the 4m band.  The latest seems to be Israel that has been given access this summer on a tempor...

Some years ago I designed a QRP 70MHz transverter as I had no gear for that band. This was featured in GQRP SPRAT. Using just a wire dip...

For some time now I have been after a new challenge. A band I have hardly tried is 4m. At the moment I have no 4m antennas and my QRP tr...

Although I have "dabbled" with 4m in the distant past, I have not really tried the band seriously. As I am looking for a new chall...

It is some years since I last tried 4m using my homebrew transverter and a wire dipole in the loft. Since those days many more countries are...

Certainly in Europe and in a few countries elsewhere, the 4m (70MHz) band is being allocated to the Amateur Service. Lower VHF is not so pop...

The 4m band is now widely available in Europe and in a few places worldwide. I have not tried the band from this QTH, well not yet. There is...