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write your own review of the C M Howes DC RX.
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G1RHV
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Rating: 4/5
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May 7, 2005 06:22
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Overlooked and amazing fun
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Time owned: more than 12 months
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I used to lust after black boxes but could not afford them. Determined to get a receiver for the amateur bands, I decided to build one!
The DCRX was available as a one band receiver. I chose the 80m version. A small circuit board arrived with all the required components. All I had to add was a variable capactitor, a loudspeaker, a battery and an antenna. Construction took an evening.
I can't sufficiently describe the thrill of hearing amateur stations from all over the world on eighty metres on this home build receiver!
Later I added the CSL4 filter kit and an audio derived meter, all assembled into a biscuit tin.
This rx pulled in Australia, New Zealand, Brazil, USA, mainland Europe etc at a time when a local ham told me the HF bands seemed dead...
I have used professional receivers in the past but the novely faded. This little kit provided a thrill beyond expectations. I rate it 5/5 for value. Great sensitivity but lack of RF filtering warrants a 3/5. Overall 4/5.
Limitations:
One band
Needs a clean dc supply
Limited selectivity (AF filter helps)
Needs mechanical rigidity to avoid microphony and improve stability.
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