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Category Archives: Blog
10GHz PA Using a Mini-Circuits PMA5-123 3W MMIC
I first read about the Mini-Circuits PMA5-123 3W GaAs MMIC device on the UK-Microwave forum early this year. Thanks to the efforts of Kent – WA5VJB, Maarten – PA0MHE and Rens -PA3AXA (and possibly others I’m not aware of) several … Continue reading
Posted in 3cms, Arduino, Blog, GHz_Bands
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Fun on 10GHz – 2025 ARRL EME Contest
I was QRV on 10 GHz in the ARRL contest but had only limited time each Moon pass due to other commitments. A total of 15 stations were worked in the first leg: OZ1FF, OZ1LPR, ON5TA, DL4DTU, LZ4OC, OH3LWP, F2CT, … Continue reading
Posted in 3cms, Blog, EME, GHz_Bands
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G3WDG-002 10GHz Receive Converter
I recently finished building the G3WDG-002 receive converter, a project that I started around 30 years ago! At that time I purchased the G4DDK-004 LO and the G3WDG-002 kits to get started on 10GHz narrow band modes (SSB, CW). The … Continue reading
QO-100 / 10GHz DownConverter Update
When building my modular 10GHz /P transverter I identified a number of areas where some minor changes could potentially improve the overall performance and build experience. As I plan to build another 10GHz transverter to go up on my main … Continue reading
Black ADF4351 Eval Boards
Having used a number of these readily available “black ADF4351 boards” along with an Arduino Mini-Pro and SynthShield PCB in various projects I’ve learnt that not all the boards on sale are the same. They can differ both in component … Continue reading
Fun on 10GHz – Adding a Panadapter to the /P Gear
Since completing my 10GHz /P TVTR I have been using it indoors monitoring beacons via rain scatter (RS). Being able to “see” what’s happening on the band is extremely useful. Not only does it help find the signal and peak … Continue reading
Posted in 3cms, Blog, GHz_Bands, Mobile / portable Operation, Raspberry_Pi, SDR
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Fun on 10GHz – First 12 Months of EME Operation
Inspired by various articles written by VK7MO, G3WDG, GW4DGU and others I wanted to see what I could achieve using just a 1.2m off-set dish and 10 – 12W RF at the feed point. I had my first 1st 10GHz … Continue reading
Posted in 3cms, Blog, EME, GHz_Bands
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Fun on 10GHz – Decoding DL0SHF beacon using QO-100 system
Having been away from home for a while I was keen to “get back on the radio”. EME conditions were looking good, degradation very low, Moon near Perigee and Moon pass times good, i.e. not in the middle of the … Continue reading
Posted in 3cms, Blog, EME, GHz_Bands, QO-100, Satellites
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Fun on 10GHz – Rain Scatter 2024-07-15
Summer 2024 has been pretty poor so far weather wise, in summary it’s been pretty wet! On the 15th July we had some very heavy bursts of rain with lots of nearby rain cells as shown in the photo above. … Continue reading
Posted in 3cms, Blog, GHz_Bands, SDR
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10GHz Beacon and SA Down Converter
This project is the result of wanting: A small easy to handle, self contained, frequency accurate 10GHz test source that ccould be used for such things as dish / RX alignment, used as an RF source in conjunction with a … Continue reading
G4HSK 