Hi everyone, Has anyone built a masthead SSPA with integral blowers? I'm just looking for ideas of how to bring air in & out without bringing in rainwater. Its actually going to be used on 70cm, bring

<https://www.reast.asn.au/news-events/live-stream/> Well worth viewing ... Tnx to ZL3FJ for drawing my attention to it. 73 Chris G4DGU

Dear all, I have here an old power meter which was apparently built according to a description of Carsten Vieland DJ4GC. It uses the principle of a bolometer. Unfortunately, the thermistors are defect

Dear all This is to let you know that on Sunday Feb 28, the Iberian Microwavers Gang will run its annual meeting on-line. The meeting will be held in Spanish, sorry ! But contents I believe it deserve

Do to needing the space. A General Dynamics 1241 2.4m dish - dismantled, as removed from Dubai, described in Scatterpoint. Plus a 40ft clark mast must go. Both in Brentwood Essex. Please email me dire

Morning all Supporting a dish feed - one arm, three or four ?? I've recently completed a new prime focus mesh dish. I made up the usual four arms to make a quadruped to support the feed from the rim.

The item twanged a memory location , which turned out to be from 1984 . The gezzer in the pic is Moi and the article is one I knocked out in my capacity as Tech ED , adding to the original design note

Anyone else having trouble with wtKST tonight? It no longer connects me. I've changed nothing so I'm lost ! John G4ZTR -- This email has been checked for viruses by AVG. https://www.avg.com

I plan to be on 13cm and 9cm tonight for the Feb SHF UKAC, wind permitting! Hope to work a few of you, especially if local to IO91. Anyone else on? Regards...Pete G1DFL

L5PDF x 3 and BN7331 07 x 1 L5PDF to SO239 adaptor Free to a good home

Hello all, I look for flanges for WR19 and WR22 waveguide. Also beacause i and to make a adapter from WR22 to a 2.9mm connector some connectots. I look around for it buy only find parts with a high pr

Can someone explain how to approach matching an LDMOS PA transistor. I’m repairing a 23cm PA that used a PCB cut from a power amplifier designed around a device internally matched for use around 1485M

Ray, I had an 'interesting' experience a decade ago attempting to use a long length (~20m) of LDF4-50 on 10GHz. It was used as a temporary replacement for the low-level 10GHz RX feed from my old EME d

Where's the best place to get a short length of Eco15, say 10ft, 3 to 4Mtrs? I want to replace the LMR400 feeder I'm using now. ebay has a German supplier, any in UK? Ben.

Hi I’m trying to use a Nort SLO module https://wiki.microwavers.org.uk/Nort_SLO as the LO on 47GHz but having problems finding the correct register values to give low phase noise – the values on the w

GB3SCF seems extraordinarily non-scattered today on the 70km path. The trace it so sharp you can make out frequency wobble from the GPSDO on it http://www.g4jnt.com/DropF/clipboard_202102191352.png An

'Morning all Just a very brief commercial interlude, to let you know that I now have in stock dish feeds for 10 and 24GHz. Please browse Microwave Dish Feeds at www.aerial-parts.co.uk. Regards John G4

I want to set up a receive only 3cm system to monitor beacons etc. I understand that there are a few LNBs that use a crystal controlled LO and some of these are being used (with mods) to receive QO-10

AT long last. 20 years overdue Andy www.g4jnt.com The RSGB’s Examination Standards Committee is launching a consultation today to ask for the views of the amateur radio community on a new, Direct to F

GE chaps after try Q65 on 432 I would like to try on 1296 if anyone is available. I will be on KST. 73 Conrad PA5Y