European LF DX
Tue, 01 Jun 1999 00:20:19 -0400
This is a multi-part message in MIME format.
Content-Type: text/plain; charset=us-ascii
Dave G3YXM wrote:
> I have been noting with interest the superb signals I get from the
> Italian stations late at night, 579 this week at 2230!
> The distance is about 900 miles, almost 100 percent land path. The Italians
> have also been copied well in Finland by OH1TN at a distance of 1260 miles,
> copy in the other direction wasn't so good, I think due to noise, but they
> made it eventually.
> Dave G3YXM.
Received: from mail3.bellatlantic.net ([22.214.171.124])
by immta2.bellatlantic.net (InterMail v03.02.07 118 124)
with ESMTP id <19990531162152.CXAQ25284@mail3.bellatlantic.net>
for <firstname.lastname@example.org>; Mon, 31 May 1999 12:21:52 -0400
Received: from mashie.force9.net (mashie.force9.net [126.96.36.199])
by mail3.bellatlantic.net (8.8.5/8.8.5) with SMTP
id LAA12190 for <email@example.com>; Mon, 31 May 1999 11:21:46 -0500 (EST)
Received: (qmail 10251 invoked from network); 31 May 1999 16:17:41 -0000
Received: from relay3.force9.net (HELO relay2.force9.net) (188.8.131.52)
by mashie.force9.net with SMTP; 31 May 1999 16:17:41 -0000
Received: (qmail 111 invoked from network); 31 May 1999 16:12:45 -0000
Received: from 482.hiper01.shef.dialup.force9.net (HELO prstesv1) (184.108.40.206)
by relay3.force9.net with SMTP; 31 May 1999 16:12:45 -0000
From: "Dave" <firstname.lastname@example.org>
To: "Andre' Kesteloot" <email@example.com>
Subject: Re: LF news?
Date: Mon, 31 May 1999 12:39:03 +0100
X-Mailer: Microsoft Outlook Express 4.72.3110.1
X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3
>The start-up has been slower than I had hoped for. To start with, it was
>decided (by the AMRAD Board of Directors) to use a "First" transmitter for
>beacon. That was an interesting experience, as that piece of equipment
>with a crystal soldered in place, and let me tell you that removing that
>crystal closely resembles serious brain surgery :-) I was of course the
>stuck with performing said surgery.
I had a "First" TX on test here and noticed that unfortunate feature...
Quite a few people are using them and, due to being on the same frequency,
they can't come on at the same time!
>Now that the beacon is in operation 24 hours a day with a canned message,
>are starting to get reception reports. I think 47 miles is about as far as
>have been confirmed.
>We are still working on the coupling between the transmitter and the
>which is less than perfect for the moment. (One of the problems is that the
>AMRAD beacon is located at the home of one of our AMRAD members, but those
>us who work on the transmitter and the antenna do not have access to his
>basement and garden all the time, so another week goes by before we have a
>chance of working on a new modification, etc. One the one hand, it is
>fun to have this as a club project, but on the other hand, everything
The Ropex TX I was using would not work into my antenna system which is
tuned up for a pretty good 50 Ohm match, the 50 Ohm point being a few turns
up from earthy end of the coil. The protection shut down every time I went
to high power mode. I found that a 90 degree phase-shift network in the feed
line cured this (pi network using 12nF shunt, 55uH series, 12nF shunt) and
the TX would produce 170W at 13.8V without getting hot.
>> I have been noting with interest the superb signals I get from the
>> stations late at night, 579 this week at 2230!
>yes, that is indeed heart-warming. What kind of path was that? (water,
The distance is about 900 miles, almost 100 percent land path. The Italians
have also been copied well in Finland by OH1TN at a distance of 1260 miles,
copy in the other direction wasn't so good, I think due to noise, but they
made it eventually.
>well on this side of the Atlantic, we still have to learn to walk before we
>try to run. By that I mean that we need to try and reach the level of
>experience that you guys have (collectively) amassed over the last two
>Best regards (and see you in October at Windsor)
I'll be there.