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Re: LF: 509KHZ CAPTURE Z and BL 25-01.jpg

from [Roelof Bakker] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: 509KHZ CAPTURE Z and BL 25-01.jpg
From: "Roelof Bakker" <[email protected]>
Date: Mon, 25 Jan 2010 12:06:51 +0100
In-reply-to: <6B20C5A86EA54AF3A298CCA35D49282B@ns94d01ae4d850>
References: <6B20C5A86EA54AF3A298CCA35D49282B@ns94d01ae4d850>
Reply-to: [email protected]
Sender: [email protected]
User-agent: SquirrelMail/1.4.18 
Hello Henny,

I see on your sceenshot that BL-410 has an extra "E".
This indicates that it is operating on its back up transmitter.

All NDB's have a back up transmitter that automatically is switched on
when the main transmitter develops a fault.

Monitoring stations will spot the "E" and have some maintenance personel
directed to the transmitter site.

73,
Roelof, pa0rdt
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