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Category Archives: 3cms
Fun on 10GHz – 4 ‘AD8307 Based Noise Meter – 144MHz IF’
My small (~ 65cms) dish 10GHz EME experiments have been great fun. More information can be found here. The next step is to install a larger 1.2m off-set dish. This will initially use my existing AZ / EL system, the … Continue reading
Fun on 10GHz – 3 ‘EME Experiment’
The prolonged hot and dry spell that the UK and most of Europe has experienced has meant that there’s been no rain to enhance the capabilities of my small 10GHz home setup. My small dish only has a clear take-off … Continue reading
Posted in 3cms, Blog, Elecraft K3, EME, GHz_Bands
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QO-100 Experiments – New Down-converter
Probably like most people starting out with QO-100 operation I initially used the Goonhilly QO-100 WebSDR to listen to the satellite down-link. This inspired me to experiment with an LNB, a 65cm offset dish, and a NooElec SDR module with … Continue reading
Posted in 3cms, ADF4351, Anglian TVTR, Arduino, Blog, EME, GHz_Bands, QO-100, Satellites
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QO-100 Experiments – ADF4351 SynthShield
I’ve recently used a number of ADF4351 modules in various projects. The last two modules have been used to provide a single fixed frequency output. An Arduino Nano running the F1CJN single frequency sketch is used to control the ADF4351. … Continue reading
Posted in 3cms, ADF4351, Arduino, Blog, GHz_Bands, QO-100, Satellites
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QO-100 Experiments – LNB Modifications
I have been using a Goobay 67269 LNB with a small Horn antenna on 10368MHz for a while to monitor beacons via rain-scatter. This was a fairly basic setup, the Chaparral horn had been cut-off and the LNB mated to … Continue reading
Posted in 3cms, Blog, GHz_Bands, QO-100, Satellites, SDR
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Enhanced USB-to-Serial PTT Interface
Many of the modern transceivers today support direct USB connectivity to your shack PC. This USB connection typically enables 2-way audio and CAT control allowing more or less full control of the transceiver, including PTT keying. Where CAT control for … Continue reading
Posted in 23cms, 3cms, 70cms, Anglian TVTR, Blog, EME, GHz_Bands, QO-100, Satellites
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Fun on 10GHz – 2 ‘Rain-Scatter’
I’m still what some might call a novice when it comes to the 10GHz band. It’s a band that’s like no other that I’ve operated on, and I’m hooked on it. I’ve recently discovered first-hand the effect of rain-scatter at … Continue reading
Posted in 3cms, Blog, GHz_Bands, Mobile / portable Operation
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Fun on 10GHz – 1
Over the last 20 years or so I’ve rarely operated my radio equipment away from home. This has changed since I’ve caught the “microwave bug” and got started on the 10GHz band. My 10GHz setup comprised initially of just a … Continue reading
Posted in 3cms, Blog, EME, GHz_Bands
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10GHz – Frequency Accuracy and Stability
One of the key things that I have learnt from my EME activities is that frequency accuracy and stability is very important. My current 10GHz equipment comprises of a DB6NT G4 Transverter (TVTR) and an ICOM IC-706 transceiver for the … Continue reading
Posted in 3cms, Blog, GHz_Bands
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ZLPLL
I built my 2m transverter with the intention of using it primarily for EME (JT65), driving either my 2m PA or at some point in the future as the IF for one or more microwave transverters. To ensure that I … Continue reading
Posted in 23cms, 2M, 3cms, Anglian TVTR, Blog, EME, GHz_Bands, QRSS / WSPR / QRP
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G4HSK 