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Commercial-antennas
Added: 5th March 2009
Posted By: w4djd
Views: 213
Comments: 0

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Amateur Radio Emergency Preparedness Demo
Added: 24th March 2009
Posted By: w4djd
Views: 366
Comments: 0

Amateur Radio Emergency Preparedness Demonstration January 2008 assisting Red Cross and Jefferson Co DES/WMD. HF station setup in less than 10 minutes. Capabilities included HF, VHF, satellite and digital modes, completely self contained and off the grid ...

Tags: Tech HF ham amateur radio RTTY satellites public RF digital service emergency antennas electronics VHF PSK Tech
W2RE Amateur Radio
Added: 9th March 2009
Posted By: w4djd
Views: 234
Comments: 0

2008 W2RE finished a 4 month antenna project that swapped out antennas and added antennas to maximize gain using HFTA. The new antennas and stacks will maximize gain with the guide of the HFTA (N6BV) software.

Tags: W2RE antenna project
VP6DX on 10 meters from Patagonia
Added: 9th March 2009
Posted By: w4djd
Views: 385
Comments: 0

VP6DX Ducie Island DX´pedition reception in Patagonia South America from LU7YS station. Rig: YAESU FT1000D antenna Cushcraft X7 @ 13 meters feb 19 at 23:20 UTC

Tags: VP6DX 10 meters Patagonia Ducie Island
The Ham Band Video
Added: 9th March 2009
Posted By: w4djd
Views: 374
Comments: 0

The Ham Band is Andrew (G3WZZ/OZ1XJ/OZ5E) and his wife Lissa and a group of Nashville session musicians. All the songs are about amateur radio and the booklet which comes with the "Seek You" CD tells the whole story of contests, dx-peditions, antennas etc.

Tags: Ham Band songs
Schematic of the 4 tube radio 6088
Added: 9th March 2009
Posted By: w4djd
Views: 498
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
RePacking The Buddipole Antenna
Added: 9th March 2009
Posted By: w4djd
Views: 223
Comments: 0

With a little practice, it's easy to put the Buddipole Antenna back into the same carrying bag it came out of!

Tags: Buddipole Antenna
Raising the 75 foot amatuer radio antenna tower
Added: 9th March 2009
Posted By: w4djd
Views: 260
Comments: 0

The Fresno Amateur Radio Club 2008 Field Day held at Pineridge School in Pineridge California, elevation 4843 feet. This is the raising of a portable 75 foot tower.

Tags: 75 foot amatuer radio antenna tower
QSO EA5BLP WITH YU8A using miracle whip antenna on 20m
Added: 9th March 2009
Posted By: w4djd
Views: 278
Comments: 0

The antenna is a short whip tunned trough a little auto-transformer. The rig is a MFJ 9420 adjusted at 5 watts.

Tags: QSO EA5BLP YU8A whip antenna
Observations on VLF part 1
Added: 10th March 2009
Posted By: w4djd
Views: 275
Comments: 0

Observations of electromagnetic (radio) signals on very low frequencies, 0 KHz - 10 KHz. Observed 10 may 2008, approx. 23.00 hour on 4,5. KHz: next to the original radio resonance of 4,5 KHz there is another resonance (spectrum on approx. 10 KHz), that comes in and fades away after 30 minutes....

Tags: Observations VLF
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