[Lowfer] [lowfrequency] Cave Communications Using LF Frequencies

[Andy - KU4XR]

--- On Fri, 2/26/10, Paul Daulton <k5wms at centurytel.net> wrote:

> Some years ago I came across a site
> on cave communicaation using 73 khz, 
> there was a 73 khz phasing type ssb tranceiver.
>
> Paul k5wms


I don't remember where I read it on the internet, but there is a
site that tells about modifying a SSB CB radio to LF frequencies 
to use for underground / cave communications.



Andy - KU4XR - EM75xr - Friendsville, TN. USA
LOWfer Beacon " XR " @ 185.29875 KHz ( QRSS-60 )
Coordinates:  N:  35º 43' 54" - W:  84º 3' 16"
http://www.myspace.com/beaconxr
http://webpages.charter.net/ku4xr/


--- On Fri, 2/26/10, Paul Daulton <k5wms at centurytel.net> wrote:

> From: Paul Daulton <k5wms at centurytel.net>
> Subject: Re: [Lowfer] [lowfrequency] Cave Communications Using LF Frequencies
> To: "Discussion of the Lowfer (US, European, & UK) and MedFer bands" <lowfer at mailman.qth.net>
> Date: Friday, February 26, 2010, 3:49 PM
> Some years ago I came across a site
> on cave communicaation using 73 khz, 
> there was a 73 khz phasing type ssb tranceiver. I adthink
> the guys call 
> themselves "troglytes" or something similar.
> Paul k5wms