5A7A-Dxpedition

Tribute Video To Rex Who Passed Away Jan 2009

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.

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...

Best viewed in high quality. Burt, K1OIK reviews the Flex 5000A Software Defined amateur radio.

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.

Experimental receiver for VLF. I received electromagnetic (radio) signals between 14 and 22 KHz with a capacitor of 4,7 NF over the showed coil. The schematic is identical to that of the storm detector IV (with the 6088 Tube), the coil is differently constructed. There is one more transistor...

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

After 2 hours of bush whacking our way up a steep slope through scrub oak and dangerous loose rock my goats and I reached the south summit. Exhausted we made our way to the north summit where I had stashed a battery but spent the next 45 minutes looking for it! Once found we put up a sloper for...

The X-Band microwave motion detector was moved to 10.25GHz. We explore the output of the HP x421A detector diode attached to the HP x532A X-Band wavemeter, and verify the frequency of operation.