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Length: 0:31 -
Rating: 5.0 (7 ratings) -
View: 7794 -
Author: G3XBM
A view of the G3XBM ham shack operating position in December 2009. The station is shown running on 500kHz WSPR mode with the PC monitoring the WSPR database....
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Length: 1:38 -
Rating: 4.909091 (11 ratings) -
View: 8967 -
Author: G3XBM
A look at the Fredbox transceiver. First built in 1974 and recently rebuilt, this little homebrew transceiver puts out 10mW AM on 2m. It uses a super-regener...
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Length: 1:26 -
Rating: 5.0 (6 ratings) -
View: 6940 -
Author: G3XBM
The FETer is my derivative of an elegant little QRP transceiver design for 40m by W2UW. It uses a single FET as both the crystal controlled TX oscillator (pu...
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Length: 2:20 -
Rating: 4.3333335 (6 ratings) -
View: 3073 -
Author: G3XBM
The Sixbox is a derivative of the now famous Fredbox. It produces about 40mW of series modulated AM and is crystal controlled on TX and tunable super-regen R...
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Length: 1:11 -
Rating: 5.0 (9 ratings) -
View: 2423 -
Author: G3XBM
My simple QRP tranverter for 136/137kHz using an IRF510 PA producing 8W RF. The transverter is about as simple as one can get. It is used with the FT817 in s...
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Length: 2:35 -
Rating: 4.7894735 (19 ratings) -
View: 6274 -
Author: G3XBM
A simple 80m CW transceiver using just 14 parts plus crystal and earpiece. Power out is around 100-120mW. RX sensitivity is around -90dBm but depends on the ...
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Length: 2:16 -
Rating: 4.9130435 (23 ratings) -
View: 10745 -
Author: NG9D
QRP "Homebrewed" QRP Transmitter using perfboard (temporary circuit board) construction technique for prototype two stage 160 meter solid state CW transmitte...
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Length: 0:48 -
Rating: 4.2 (5 ratings) -
View: 4488 -
Author: G3XBM
This is my small ferrite rod based ATU for 500kHz. It handles the maximum power I can generate from my transverter (5W) and matches the short 5m long vertica...
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Length: 0:12 -
Rating: 0 (0 ratings) -
View: 195 -
Author: G3XBM
A short video clip of my QTH in the heavy snow just before Christmas 2009. This is a second upload as the first copy was accidentally removed.
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Length: 3:15 -
Rating: 4.875 (8 ratings) -
View: 2988 -
Author: ok1ven
VLF Converter by G3XBM, SAQ, Grimeton, Converter from 17.2 kHz to 12.0172 MHz, LF, design by OK1VEN.
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Length: 0:11 -
Rating: 5.0 (1 ratings) -
View: 1770 -
Author: G3XBM
A photo showing the G3XBM spiral top loaded 500kHz antenna on the rear of the house. The vertical section is about 5m long and the spiral top hat consists of...
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Length: 1:10 -
Rating: 5.0 (5 ratings) -
View: 2481 -
Author: G3XBM
A small 2W (from the PA) beacon transmitter used to generate a beacon signal on 136kHz. With an "antenna" (nothing in the air!) consisting of 2 earth rods 20...
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Length: 1:45 -
Rating: 5.0 (2 ratings) -
View: 592 -
Author: G3XBM
A video showing the current set-up on 136kHz. 2W from the IRF510 PA keyed in QRSS3 feeds the small and very simple ATU made with a piece of ferrite rod and s...
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Length: 1:46 -
Rating: 5.0 (7 ratings) -
View: 8123 -
Author: G3XBM
A short video of the tower bells being rung with a half muffled peal at St Mary's church in Burwell, Cambs, UK on Jan 26th 2010. It was a cold, crisp winter ...
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Length: 1:18 -
Rating: 4.75 (12 ratings) -
View: 5241 -
Author: NG9D
Ham Radio 300 mW CW Transmitter. On-air signal of NG9D QRP transmitter located in Plainfield, IL recored by W8YRB (now K0RU), Rob, Gardner, Kansas a distance...
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