my sglab lab 23cm has gone deaf. As there are some known issues that crop up on occasions with their gear, I wonder if anyone has any tips as what to check first before a more detailed troubleshoot. I

Hi Conrad, do you still have this as Bob G3VCA is interested in purchasing one for our local club? cheers Andy G0FVI

Some interesting comments on /P operation (and on vhf/uhf contesting FB too). Personally i wont be going out /P, as at both my /P locations there has been interest from police this year (one is near a

Thanks for replies chaps, that's a massive help, last time I tuned a filter (7 pole 2m) it took me about 4 hours hit and miss! Really appreciate the pool of knowledge here especially still being a uwa

Morning all, I have built a three pole interdigital filter as described on W6PQL's website (http://www.w6pql.com/23cm_filters.htm ). Unfortunately my VNA is only 1 port which means it's going to be a

I was given a badly damaged Wimo last year to repair and use for UKAC. It is the 44 element version and as you say the reflector elements are counted as advertised unlike other beams. I therefore thou

Thanks for replies guys. The world's dtv transmitter mast is is plane sight about 15 miles away, from your input Richard I'm guessing that could be the problem. Filter time I guess. Get Outlook for An

I'm still learning being relatively new to uwaves so apologies if this question seems a bit 'dumb'. I'm noticing fairly high noise levels on 23cm UKAC from my /P location (S5) but it's not constant in

Hi all, some advice needed! Been given a tube of SMD solder paste with a view to using it for copper spreader on LDMOS amps. This stuff is called 'Easy Print' and composition is 96.5% Sn, 3% Ag and 0.

Hi Andy, I use cable distribution boxes off EBay (was about £18, waterproof too), got two for my SG Lab transverters. Regards Andy G0FVI Sent from Mail for Windows 10

If I read it correctly the kit will be based on G4BAO's design. You can read about it in 'microwave knowhow' https://b-ok.org/book/1204058/8a19de .

Hi James, please put me down on the list for a kit too. Andy G0FVI

So the uwave bug has truly bitten here and now thinking of terrestrial operation of 13cm. I have an 85cm offset dish which will go on top of mast of 10m mast, to begin with just SGlabsTVTR mounted the

Thanks for that John/Sam . Slowly putting together a 23/13 eme station myself, as a beginner I would dearly have loved to have owned a good detailed text book with everything in one place (still would

On the subject of ‘tuning’ the QO-100 patch feed, the following link made fairly interesting reading: https://g3yjr.wordpress.com/2019/03/25/eshail-dual-band-feed-with-patch-tuning-screws/

Hi Alan, Fairly new to microwaves here. I built one of these dish feeds from copper using simple tools (see December 2019 newsletter). I personally found the distance between patch and reflector was f

You can get a lens from passion-radio.com about 5 euro if memory serves. Sent from my Huawei phone

Hi all, anyone got a 23cm amp in the range of 30-50 watt they would like to sell, or alternatively anyone willing to fabricate a PCB for me for Jon G4BAO's design (published 'microwave know how'), wil

Hi Sam, Yes it is for a FHZ patch. The aim is to set it up as per his ppt presentation with two LNA’s, two hybrids and two SSPA’s. For now just looking at getting RX up and running with two LNA’s one

HNY all, just wondered if anyone has a spare 90 degree hybrid combiner they wouldn't mind selling me. This is for use on 23cm EME. Doesn't need to be high power as I'm a long way off TX capability at