A week today Flight Refuelling ARS will be holding their 2022 Hamfest at the Cobham Sports and Social Club , Merley , Wimborne Dorset .BH21 3DA . There will be various items of kit for sale , includin

Hi everyone, I'm looking for a 10GHz relay capable of handling 25 watts. I prefer a 4-pole SMA coaxial relay but a waveguide switch might be ok provided i can lay my hands on 3 wg-sma transitions (unl

No Gs, Ms on KST so asking on here. Anyone wanting to work me wherere I am portable from a showground on an airfileld in Gloucestershire. Worked G4UVZ & G4DBN last night again UVZ just now 59+10. Can

Are there any affordable ways to make or have made up small PCBs from RF friendly high Dk materials (thinking of something around 10 like Alumina, Rogers 3010 or Taconic CER10, AD1000 or maybe TMM10i

Just added another shelf to the uw shack in the attic, all looking quite good now, though not sure for how much longer. Still, it's been an interesting couple of years. Ben G4BXD

Hello Group, We still have some 10ghz SSPAs for sale. We think that there are amteurs who are not qrv from the moon but this is a nice amplifier for tropo. Sent a mail to Jac if you want more info.. 7

hello... I've just recieved an email from ofcom to tell me that my application for a 10Ghz beacon was successful and has been approved !.. Frequency > 10368.790 Power > 13dBW Antenna Direction North E

I made a [very brief] foray into the contest yesterday to see if anyone could work me on 10GHz using just a small horn out of the shack window. (No they couldn't manage it, although my shack to Walbur

Hello, I have been in contact with Kuhne Electronics regarding the range of PA’s they offer for 10ghz. They currently offer 8watt and 60 watt amplifiers . I feel that for aircraft and rain scatter a m

looking 23cm test now, hearing IOW from IO82UJ great I am on kst Ben --------------------------------------------------------

Having two of these veritable oldsters of the direct sampling SDR ilk, a modification to allow some sort of reception on 144MHz seemed to be in order for the oldest first generation one. This would mo

Hello all, I just bought a cover for my Icom IC-705 off of Ebay, but the seller also has his own web site. The cover looks well built and you can store an extra battery pack in it. Thought it could be

I set this group up https://groups.io/g/Test-Equipment-Design-Construction/messages for discussing the design and construction of test equipment. There is a somewhat similar group in existence https:/

http://www.arrl.org/frequency-allocations This is (unsurprising) bad news! See below ---------- Forwarded message --------- From: Paul Wade W1GHZ via Microwave <microwave@...> Date: Mon, 1 Aug 2022 at

I have managed to spong my Datong 144/28MHz downconverter . Does anyone have a circuit diagram ? 73 John G0API

Just heard from Bob , G8MBU , that he has put the beacon back into service . Very solid signal with me at around +52dB/noise in 6Hz RBW . Thanks Bob ! 73 John G0API

Hi, Does anyone know if this beacon is currently active. Can normally hear it here in N.E. Norfolk but not now for several days? Wondering if it’s off air, conditions or my gear! 73, Phil G4LPP

Latest update on AirScout. 73 John G3XDY Hi all, I've updated the OpenSky plane feed as a temporary workaround for both V1.3.x and V1.4.x. The update should run automatically when you start AirScout.

I tried my horn antenna on Tuesday, over my 46cm pf dish. The results were similar, given changeable conditions etc but I still worked ZTR at 55 while with dish I have had 55 and 56 but of course, und

Hi guys, TEST OSCILLATOR G229 Inside, I find the power transformer input is 80VAC 1500~. Where in Military History do we find that power? Inside is also a CV2304 waveguide output reflex klystron 9.4 t