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Roger's Scrapbook
Some of my projects on this blog are inspired by the radiowork of Roger, G3XBM. I like his transverter designs in particular.I found that Roger collected a lot of his work in his Project Scrapbook...
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First steps in satellite communications
The Satrover QO100 transverter enables you to use the geostationary OQ100 (Es’Hail-2) satellite. I was able to explore this equipment with Gerard PA2G. With the use of an IC-705 and the satellite dish...
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Radio Caroline
Lately I have been experimenting with a KT0936M module on the medium wave. I discovered that Radio Caroline puts a firm signal strength at 648 kHz at my QTH. The music they play is from the 60’s-90’s....
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70 MHz Sporadic E contacts
This week now and then the 4 m band opened because of Es.I made FT8 QSO's with Spain (EA6SX) and Greece (SV2DCD, SV2JAO..) on 70.154 MHzOne QSO has already been confirmed by eQSL:
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Medium Wave LPAM transmitter
I did some experiments with the receiver IC KT0936M lately. I built a simple SW and MW receiver with this chip. To be able to do some experiments with the MW radio I thought it would be a good idea to...
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73 from the past
I found a nice eQSL this morning from Urugay in my inbox. It dates back to 2006. In that time I was quite active with PSK31:
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28 MHz activity
I hooked up my FT450 with longwire antenna to explore the 10 meter band. There is a lot of activity ! A lot of stations on 28.074 MHz FT-8 as well. I made some QSO's. I received a remarkable eQSL card...
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OZ on 160m
I made some nice QSO's on 160m, 1840 kHz, lately. Of course my longwire antenna is much too short for this band, nevertheless I was surprised by the amount of stations I could see in FT8.Jan, OZ1ADL,...
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145 MHz transverter
Currently I am working on a 145 MHz - 50 MHz transverter. I combined various circuits and built it in Manhattan Style. The core is a 96 MHz oscillator that enables me to tx and rx from 144...146 MHz in...
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