Johnson Desk KW and Ranger doing the transmitting. HRO-50 as the receiver. Coupling capacitor gradually went bad in the ranger causing audio distortion. Easy fix. ... https://www.youtube.com/watch?v=p5cUJkU4tRc
Receiver noise compared between a 1985 model and 2016 model DSP, SDR receiver. Note the noise in the 7300 remains constant, independent, of RF gain setting.
We assume that the noise from the 7300 is generated by either the ADC or DSP.
Note: The IC-7300 is one of the quietest receiver on today's market. What does this say about today's market?
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https://www.youtube.com/watch?v=8LBbiXXRex8
The antenna now goes up 50 feet vertically and 150 feet horizontally as of 11/1/2010. Subject to change any time!
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https://www.youtube.com/watch?v=Jtt0FJT0VJM
From DeOxit data sheet:
"Use DeoxIT® D-Series contact cleaner on surfaces that have been in service or have visual signs of oxidation. Contains 20% active cleaner"
5oz can List Price $18.95
WD-40 12oz can $4.97
NO...Don't use CLR for electronic work!! It eats everything!
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https://www.youtube.com/watch?v=Jg6FmNTNv98
The Old Friends Net uses only Amplitude Modulation.
Most of the equipment used here is vintage AM gear.
Today I am transmitting with the Heathkit DX-60 and horizontal loop antenna.
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https://www.youtube.com/watch?v=CHOh-y33dJQ
The Old Friends Net uses only Amplitude Modulation.
Most of the equipment used here is vintage AM gear.
Today I am transmitting with an Elmac AF-68 and horizontal loop antenna.
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https://www.youtube.com/watch?v=mViZbpPzkio