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Schematic of the 4 tube radio, experimentally built in a way of the radio-pioneers (1910-1945). The radio acts as a cascade type receiver when the antenna coil has a high self-inductance, with lower self-inductances of the antenna coil you can put in a mixing process with the oscillator. Perhaps...
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Schematic 4 tube radio 6088 |
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Slow Scan TV using my Yaesu FT-847 on 14.230Mhz (20 Meter Band)
Although we can now send pictures via more...e-mail,
What Fun it is to send and receive them via Radio with the Only thing between you and the other person is the Air we breath!! :-)
SSTV is a method of Sending and Receiving...
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sstv slow scan tv yaesu ft-847 hf amateur radio ham science technology radio |
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Clip of 80m high rotaiting antena on the train platform. HF large antena for broadcast Radio station from 3Mhz to 30Mhz installation on the train platforn to rotating antenna pattern. Very impressive.
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ham radio. anntena Tech HF 50mzh power VHF ar Tech |
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Video shows how conditions were this morning on 18 June 2009 on 144 MHz and above. Jim/W4ZRZ opened up the band out of EM63 Alabama to the northeast. We quickly worked thru 432 then 222 MHz and then the surprise on 1.2 GHz on Voice.
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Tropo UHF Weak Signal |
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This is HF/50MHz transceiver from YAESU, model FT-950. I use this rig in my hamshack since september 2009. It works great. Enjoy details.
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YAESU, ft-950, radioamateur |
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