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Re: LF: F6CNI : RX test on LF using a 2 ground rods antenna.

from [Stefan Schäfer] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: F6CNI : RX test on LF using a 2 ground rods antenna.
From: Stefan Schäfer <[email protected]>
Date: Fri, 05 Jul 2013 00:51:38 +0200
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André,

What about some TX tests on that antenna? Roger showed that it can work. You will have good chances in WSPR-15 for example.

And is there any news about the 630m allocation in France? In september i will be in France again for one weekend and i would like to do some MF experiments :-)

73, Stefan

Am 04.07.2013 18:43, schrieb Andre Guyé:
 
Hello to all.
 
To night I’ll test for receiving a 2 ground rods antenna on 136 USB, modes : OP 8, OP 32, WSPR 2 and WSPR 15, all at the same time.
 
Distance between the two rods : 35 meters. Each rod : 50 mm diameter aluminium tube, 2 meters long.
 
A low power test permits to tune the antenna to 50 Ohms. It needs an L network with a 275 µH serial coil and a 4.7 nF in parallel on the antenna side.
 
Bi directional receiving antenna azimuth : UK / VE one side and I / SV on the other side.
 
No preamplifier is necessary. RX is an IC7200.
 
Hope to copy you !
 
73 from Andy F6CNI. JN19QB.
 
 
 
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