To: | rsgb_lf_group@blacksheep.org |
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Subject: | Re: LF: VLF Small magnetic antenna for Tx |
From: | Juan Leandro Ronda <juanleronda@gmail.com> |
Date: | Mon, 5 Feb 2018 20:30:33 +0100 |
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Hi Stefan, A piece is better. I have mixed copper and brass union nuts. The reason is for the space it occupies when passing through underground cavities, there are very narrow passages. I have not observed losses in the inductance, but the MKP / FKP capacitors are heated and I have a drift in the tuning. They have to go through them the 100A. In just one turn, 85Vp is already produced. Now I am using capacitors NP0 in SMD, it is incredible the behavior before the great tension and amperage, they have the disadvantage of having limit of high values of capacity. I want to perform a test with Luis orienting the loop to his antenna, we are 49 km away, but he always has a lot of noise at 38KHz. Regards Juan Leandro El 5 feb. 2018 19:33, "DK7FC" <selberdenken@posteo.de> escribió:
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