Re: LF: EA5DOM LF tests

[DK7FC <selberdenken@posteo.de>]

Hi Luis,

Great! And very nice pictures again.
I've been on air on MF last night so there must have been a signal reduction on LF here. Oh, another reason for a LF RX stn on the tree!! ;-)

Keep the parallel C (metallic element) as small as possible and better add a few more turns on the coil, so the tuning range is 135...150 kHz instead of 123...138 kHz.

73, Stefan

Am 01.09.2016 11:08, schrieb VIGILANT Luis Fernández:

Hi LF

 

Last night the LF coils were connected and started to transmit Op32 with just the 100mW from U3

https://dl.dropboxusercontent.com/u/7162072/fotos%20varias/MF/MF%20and%20LF%20coils.jpg

 

So far, an Op32 correlation decode from Markus. Nice Rx Markus ! :-)

Who's next ?? ;-)

2016-09-01 04:18:19 EA5DOM  1500km 137519.968Hz  28mHz -42.5dBOp  93% 15.5dB

I have tested the effect of the Ultrabeam dynamic antenna I use as a support pole while

working as variable capacitor. I can get the resonance 15KHz down by extending fully the internal

metallic element of the vertical antenna. A great aid for remote tunning from shack

73 de Luis
EA5DOM