Hi Dave,
You are out of luck below 490 kHz. Also, you need the general coverage
board so that you can tune below 1.8 MHz. There is a bandpass filter that
rolls off on the normal antenna jack, (for BCB protection) but you can use
the aux antenna jack on the KIO3 strip and get great sensitivity down thru
the broadcast band. I am told that you can generate rf as well out of the
transverter ports at 1 mw down to 500 kHz, but no luck with 137 kHz with a
stock radidio. I use the K3 sometimes to listen to the broadcast band at
night. It is very sensitive and selective.
73
Dave K1WHS
----- Original Message -----
From: "W5UN" <[email protected]>
To: <[email protected]>
Sent: Friday, December 18, 2009 1:12 AM
Subject: [Elecraft] K3 on VLF
>I am a K3 owner and user. I have the KRX3 module installed. What do I
> need in order to hear below 500 kHz? Or is this even possible for
> the K3? Currently, there is a great signal drop off when I tune below 1
> mHz.
>
> Dave, W5UN
>
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