Hello all. I know that a few of you are using the EP-AB003 on 2.4GHz. Has anyone done any linearity testing? 3rd,5th, 7th, 9th order at various output powers? These amplifiers are often described on e

Hi All, I'm after a HP YIG Oscillator 5086-7906 for a HP 8563E Spectrum analyser. It's the usual problem, the FET stages have failed in mine, and these are wire bonded bare semiconductor wafers mounte

The second in the 2023 series of UKuG Low Band contests takes place next Sunday 2nd April, from 1000 - 1600GMT (1100-1700 BST), on the 1296, 2300, 2320, and 3400MHz bands. Full rules are here: https:/

Another SCRBG donation for sale. From a defunct Z380x GPSDO, I extracted the Double Ovenned master oscillator, DOXCO, that was in continuous use until the GPSDO bit died. The outer casing probably con

Now that I have a functional 10 GHz station in the attic, and due to severe to profound hearing loss in both ears, I would like to add digital modes to the station. Here is the 10 GHz station equipmen

I've just acquired a 2.3 m mesh dish. The holes in the mesh are elliptical with a long axis of 3.5 mm. I know the hole should be < 3 mm for 10 GHz use, but does anyone know if it will still work OK at

Hello all, Bob VK6KW (Life member) of the WA VHF Group informed us about the UKMicrowaves group some time ago. Perhaps one or other of your members can shine some light on our predicament. We use ZLPL

GA Folk GB3ZME beacon 2320.870 MHz back on song. It was a stray 30v PSU wire with a mind of its own . . . 73 Martyn G3UKV (NoV) -- This email has been checked for viruses by AVG antivirus software. ww

There's several Marconi/IFR CPM20 online, some going quite cheaply. As I lack a microwave frequency counter and also a power meter for my modern Marconi sensors and cable, it seems a good fit. Apparen

Hi Microwavers, Does anyone have a 6cm DB6NT G2 or G3 transverter gathering dust, maybe no longer used or a spare? Please let me know as I'm looking for one. I'm at Martlesham roundtable so can collec

I have had several enquiries about kits for the high power harmonic filter described here: https://www.qsl.net/g3xdy/QRO%2023cm%20Harmonic%20Filter%20and%20Reflectometer.htm At present I don't have an

With Airscout plane feeds becoming increasingly difficult to rely on, even if registered with Opensky, I tried an ADS-B receiver of my own just as an experiment. Using an RTL-SDR.com dongle and a simp

Thank you to all who have registered for the Microwave Round Table on 16th April, we have about 65 attending at the last count. There is still time to register for the Round Table, the cut off date fo

An online search has failed to find any information about this device. I’d be grateful for any help in getting hold of a specification. Many thanks, 73, Martin GM8IEM – IO78HF

GM uW Folk On Wednesday I was busy updating the local 70cm voice Repeater (GB3TF) in its attic location (IO82RP) in Little Wenlock, Shrops.. Today I cannot hear the 13cm Bcn GB3ZME (2032.870 MHz). Eit

Attached plot of GB3ZME on 6cm - good RS at moment ( light rain-v windy) using my 60cm offset at 7m on mast , 66m asl , in IO80XS77JR ,Dorset . 73 John G0API

Hi Ben, I try playing with a 10ghz and 200mw since mai 2022. During last year I made 239 QSO with it and 7 dxcc, odx Rain scatter 750kms... Finally the measurements shown 160mw at the maximum 😉 The on

Dear All, I have a PST2051D, which has developed a fault. Angular readout is incorrect, both on the controller display and remotely via ethernet board, and drifts by large amounts, many 10s of degrees

Some of you may recall that right at the start of 2021 I expressed an interest in getting on 10GHz as a foundation licence holder, it being a band I was licenced to use but not exactly 'readily availa

hi All, I was wondering if anyone has used the out of spec GaAs fets from J. Birkett on 70cm and 23cms ? Not the "black spot" or "red spot" but the gold type ? (eg,,, no spot) About 20 years ago I bui