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Schematic of the 4 tube radio 6088
Added: 9th March 2009
Posted By: w4djd
Views: 854
Comments: 0

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...

Tags: Schematic 4 tube radio 6088
GREENLAND CALLING
Added: 20th March 2009
Posted By: w4djd
Views: 368
Comments: 0

OX3KQ v M0CCQ 100watts to G5RV 7mhz SSB

Tags: OX3KQ M0CCQ amateur radio ham mhz
Amateur Radio SSTV (Slow Scan TV)
Added: 17th April 2009
Posted By: w4djd
Views: 680
Comments: 0

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...

Tags: sstv slow scan tv yaesu ft-847 hf amateur radio ham science technology radio
HF highly rotating directional antenna whit 500KW
Added: 27th April 2009
Posted By: w4djd
Views: 784
Comments: 1

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.

Tags: ham radio. anntena Tech HF 50mzh power VHF ar Tech
Clegg 99er six meter ham-amateur radio transceiver 1961 4 4 09
Added: 19th May 2009
Posted By: w4djd
Views: 598
Comments: 0

Clegg 99er is a Compact top quality 6 meter transceiver made in 1961. LCF School LCFschoolThis is a tube unit and will operate on 110vac with a built in power supply or external 12 volt unit. The transmitter is crystal controlled and receiver covers the lower 2 Mhz of the 6 meter amateur...

Tags: Tech hamspeak antenna transmitter VIrginia Center Gaynell vintage receiver tube 99er N4USA vaccum Green J79W collectable six transceiver am David Larsen ham radio amateur KK4WW clegg 50 arrl Village old mhz WW meter hobby fairs professional modulation Tec
UHF Tropo In The Midwest
Added: 18th June 2009
Posted By: N0IRS
Views: 364
Comments: 0

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.

Tags: Tropo UHF Weak Signal
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