see this ongoing PLAYLIST with many examples:
https://www.youtube.com/playlist?list=PLfFan4sDonOeK0ipjeVQOkYtV51ogBifV…
ContinueAdded by Chuck aa0hw on October 30, 2023 at 1:00pm — No Comments
using the info at GOOGLE PATENTs, this "TUNED" twin coil ferrite rod loopstick VLF Receive Antenna was put together from some spare parts in the shack, for a test run at 32Khz for receiving a QRQ CW signal at 32Khz…
ContinueAdded by Chuck aa0hw on October 19, 2023 at 8:21am — 2 Comments
in AFCW mode, a CW KEYBOARD keys 2 sine wave oscillators at 1500 hertz & 1520 hertz, the beat frequency creates the PULSE DENSITY MODULATED CW beat frequency that will become the PDM-CW TRANSMIT SIGNAL sending to the TRANSMIT INPUT on LSB at 1500 hertz(AFCW MODE)
on RECEIVE, trigger midi mono…
ContinueAdded by Chuck aa0hw on October 5, 2023 at 7:08am — No Comments
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
© 2024 Created by Chuck aa0hw. Powered by