Hi all, I have found 3 kuhne pipe cap filters for 3.4ghz can not remember where I got them. Can anyone provide the recommended probe length for them please? 73 Chris G0WUS

Hi group, I am trying to locate a low power 10 GHz amplifier as a kit or just pcb in order to get my power from a few mW to a 100mW or so level. Any suggestions? A few months ago there were people loo

Lower wall clamp on my SCAM is loose because the bricks of the barn wall have crumbled and the rawlbolts are loose, so I can't get the dish above roof/tree height without risking the whole lot falling

Hello all, I have a few questions for QO-100 users. Please forgive my rambling 😊 I have a Triax TDS-110 dish that I bought in 2019, I only just opened it. This will be a good choice I think. My questi

No doubt this news probably explains why ADS-B Exchange pulled their free access a while back.. https://www.rtl-sdr.com/ads-b-exchange-acquired-by-private-firm-jetnet/ I guess someone waiving an (esti

Hi All, Has anyone on this Group not received their copy of the February RadCom which should have been posted in the middle of this month? For some reason, after 64 years of unbroken RSGB membership,

Hi All, a little off topic but does anyone have a copy the PCB layout diagram of the FL02025 25W clip-on PA for the FT290R2 please? I have the schematic and its not that complex but I it would help fa

It will soon be time to compile the quarterly news column for DUBUS - I would be very grateful to receive any news items, details of events, pictures of recent operation etc, by 1st February please. 7

Fianlly, after more than a year, I found time to go and collect the dish and mount I purchased ... it looks to be a heavily built thing, with a feed in WG15 ... opinions are somewhat divided as to whe

Hi all, I have a 130w rated (CW,SSB) amplifier for 13cm. Its ancient and draws 18amp @ 28v at full o/p and lots of quiescent so may be good for DATV uplink to QO100. Can anyone suggest a ballpark figu

Finally a weekend with the right weather, I was able to remove 6cm and replace it with 9cm. I know it is working locally, but I was hoping to see the MHZ beacon, can someone please confirm its actuall

Ga all, Probably U won't need 20w on qo100 except if u want to transmit on digital TV. 73 Dom

By the way I have seen the FERROCOM 20B23-31 on eBay. Power handling unknown. Conrad

One of the many problems these days in home brewing a transverter for 23cms is the demise of Toko filters (ok Temwell do them) to place after the mixer. However in the 1986 ARRL handbook there is a de

Is anyone able to identify this small precision RF connector? It is used on a series of hardlines to variable attenuators which have sat on a shelf here for a long time? I clearly need to adapt to SMA

Hello HNY 2023 ! Concept of adaptation of TRX modules 23X1008XN and 23X1008XP to a power amplifier for the 24 GHz amateur band. Two modules have been converted as follows, 1.5 and 1.7 W of output powe

Attached list may be of interest! 73 John G3XDY -------- Forwarded Message -------- Subject: PA3DZL updated list RF-Parts 20-1-2023 Date: Fri, 20 Jan 2023 10:06:47 -0000 From: Jac de Bruijn <pa3dzl@..

Just on the off-chance someone might have one going, local club in Lincoln is about to purchase an SGlab 13cm tvtr for qo100 to attract some younger folk (waterfalls and sats seem more interesting to

Does anyone have a 2.4GHz circulator/isolator that will handle 20w that they are willing to part with? 73 Conrad PA5Y

Hi All, Silly question:- if I connect two 50 ohm coaxial cables of the same length in parallel will I get a transmission line with 25 ohm characteristic impedance? ie can I use this to make a 1/4 wave