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Re: LF: RV: EA in LF

from [DK7FC] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: RV: EA in LF
From: DK7FC <[email protected]>
Date: Wed, 11 Oct 2017 11:04:52 +0200
In-reply-to: <579355A36AEE9D4FA555C45D556003AB9AA7FE89@servigilant.vigilant.local>
References: <579355A36AEE9D4FA555C45D556003AB9AA7F1E0@servigilant.vigilant.local> <579355A36AEE9D4FA555C45D556003AB9AA7FE89@servigilant.vigilant.local>
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Hello Luis,

Very well! Not a bad result for 30W :-)
Which L does your loading coil have?

2017-10-11 08:48:19 EA5DOM  1398km 137457.954Hz 163mHz -36.8dBOp  88% 20.7dB
2017-10-11 07:48:19 EA5DOM  1398km 137457.960Hz 106mHz -38.3dBOp  65% 17.5dB
2017-10-10 04:48:19 EA5DOM  1398km 137488.938Hz 177mHz -38.2dBOp  65% 19.0dB
2017-10-09 15:48:19 EA5DOM  1398km 137509.949Hz 174mHz -38.7dBOp  88% 20.6dB

Unfortunately my LF RX is overloaded by the local VLF transmissions (20m diatance between the antennas) but we can see that i can receive you beginning in the late afternoon until the morning :-)

How do you generate your frequency? Is it a coherent signal? Looks like the bandwidth is relatively high...

You could use one of the recent discussed NEO-7 GPS modules to generate the frequency directly. This would give you an ultra stable and precise carrier...
It would even work for EbNaut which is BTW a very good idea to try anyway :-)

73, Stefan




Am 11.10.2017 10:09, schrieb VIGILANT Luis Fernández:

Hi LF

 

I keep running Tx Op32 every hour at 30W to antenna


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