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Classified: ATU-100 Automatic HF AntennaTuner with Battery Sold

Date Posted By Category User IP Address
2022-09-12Login requiredTunersLogin required
SOLD!Brand new ATU-100 Automatic HF Antenna Tuner.

I just received the tuner. It was purchased to use with my USDR QRP transceiver. However, the transceiver does not have enough RF output to operate the tuner. I did get it to tune successfully on 40 meters by yelling into the mike producing about 7 watts out. Tuned my long wire with counterpoise to 1.2:1 - so it to works fine with enough drive.

Was going to perform the mod to reduce the required drive to 1-3 watts, but buying a picit-3 and re-programming the unit is more trouble than just buying the QRP version of the tuner.

$50 shipped within CONUS.

Thanks