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LF: Re: active antennas at LF.

To: [email protected]
Subject: LF: Re: active antennas at LF.
From: "Andre' Kesteloot" <[email protected]>
Date: Mon, 12 Mar 2001 17:57:53 -0500
References: <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>
Talbot Andrew wrote:

Incidently, returning to an earlier topic, the current Naval standard HF
receiving antenna on board ships is an active whip, made from a 2m
length of 50mm diameter Al pole.   The amp is made from three E88CC
valves in parallel, operating in a cascode / common collector circuit.

Indeed, in case of EMP, a valve preamplifier would have better chances
of
surviving. Andre' N4ICK




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