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LF: Re: Miniwhip and Intermod

To: <[email protected]>
Subject: LF: Re: Miniwhip and Intermod
From: "Jose Manuel" <[email protected]>
Date: Mon, 10 Apr 2006 01:01:03 +0200
Delivered-to: [email protected]
References: <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Hi Joe and all:

Can you tell me where can I find the Miniwhip antenna description?
I think that is a very small whip, so about the sensitivity, is it enough to receive the atmospheric noise at 137 kHz?
Thanks in advance.

73 de José, EA1PX

----- Original Message ----- From: "Joe Craig" <[email protected]>
To: <[email protected]>
Sent: Sunday, April 09, 2006 9:41 PM
Subject: LF: Miniwhip and Intermod

Dear Group,

I recently built Roelof's miniwhip e-probe and reported on
the reflector that there was trouble with intermod when
close to MF AM transmitter sites.  This problem originates
with the receiver and not the probe itself.

This was verified by attenuating the output of the probe
and hearing signals on 137 kHz what could not be heard
without the attenuator because of interference.

Thanks to Roelof for a good design and sharing it those who
asked and his tip about the attenuator!  Thanks also to the
kind VE3 who sent me the semiconductors I was having trouble
locating whin building the PA0RTD miniwhip.

Still QRV on 137.777 kHz sending 'N' at QRSS60 after sunset.


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