"Michael A. Terrell" wrote:

starman wrote:

Hi Pete,

If you have to choose only one antenna impedance input, the high one
would probably be more useful, particularly for users of real long wires
like beverage antennas. However those like myself with an inverted-L
which uses a matching transformer and coax lead would appreciate the
50-ohm input.
Is there a reason why you are considering only a BNC connector for the
low impedance input? How about a PC board mounted female F-connector
which can be adapted by the users to their antenna lead wire.

The "F" connectors are 75 ohm impedance.

Technically true for VHF and UHF but not that important for MW or HF
reception. I use R6U coax (75-ohm) for my HF antenna lead.

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