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Re: LF: 2017-04-16 03:15:13 VO1NA AA PA0RDT JO11TM 0 477 -25Op8_|||

To: "Graham" <[email protected]>, [email protected]
Subject: Re: LF: 2017-04-16 03:15:13 VO1NA AA PA0RDT JO11TM 0 477 -25Op8_||||||||||||||_~25dB
From: "Roelof Bakker" <[email protected]>
Date: Mon, 17 Apr 2017 12:06:41 +0200
In-reply-to: <3F440F45350A4547B9307A9AE6B2E510@AGB>
References: <BC06FB131E2047AB94F399AE497C3A11@AGB>, <[email protected]>, <3F440F45350A4547B9307A9AE6B2E510@AGB>
Reply-to: [email protected]
Sender: [email protected]
Hello Graham,

You might have seen my overnight plot of VO1NA.
The signal starts out very weak and at first is obliterated by 
static interference from south Italy.

This will be far less the case in Norway and might explain the much 
earlier reception by LA3EQ. I found that the path of propagation at 
these frequencies can be quite directive.

For your interest, I have attached a Linrad overnight plot of 
reception of NDB QY, Sydney, Nova Scotia, Canada. Albeit 
transmitting on a much lower frequency, the general pattern is very 
similar as that of VO1NA's OP8 signal.

A dawn enhancement is quite noticeable.

73,
Roelof, pa0rdt 
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