Thursday, March 05, 2009
Zinc 80 Meter CW Transmitter, Actual Sound Heard From Various Distances.
YouTube via nylesteiner. yes that Nyle Steiner. follow-up to these posts.
"More info is available at http://www.sparkbangbuzz.com
This is an update to the previous video "Zinc Negative Resistance 80 Meter CW Transmitter". In the previous video, the sound of the transmitter at 5 miles was simulated. This update plays the actual sound of the transmitter as recorded on video from various distances up to 5 miles.
K7NS builds a very simple 80 meter cw qrp transmitter made out of a homemade zinc negative resistance diode. This simple radio transmitter is made without using any vacuum tubes or transistors, and it's ultra low power of 100 microwatts can be easily heard 5 miles away.
Thanks to W9RAN for his contribution of using a quarts crystal in place of an LC circuit."
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