Return to KLUBNL.PL main page

rsgb_lf_group
[Top] [All Lists]

Re: LF: questions about a tx square loop fpr 470KHz

To: "[email protected]" <[email protected]>
Subject: Re: LF: questions about a tx square loop fpr 470KHz
From: Roman <[email protected]>
Date: Sat, 02 May 2015 00:43:46 +0300
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1430516627; bh=EqpfX8fao2uAHJPVV/44Xq2RnnI8BL8TOSe2NrkpFYI=; h=From:To:In-Reply-To:References:Subject:Date; b=NpldsgrpetQj6WuTUCYhQsAzeJwKhTSsgTM8IHSHPwY+FA/lYlHsnYyum8EYgBq+x +AR37eEd57F72XRXhaE1hnrzj+arJtENRDZquYlmsrPCKHzuGAse3ND5Ix2JpbQNnt jRFbF9g1ZGP8YnqSgE7j66o9EG5VU8VrWwW89G+U=
In-reply-to: <[email protected]>
References: <[email protected]cal> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Buongiorno, Mauro!
 
Alexander R7NT make a semi-LOOP for LF 136 kHz several years ago using Al-Plastick pipes for the water 15mm diametre.
 
 
Topic on the russian forum about that expirience:
 
 
73!
Roman
 
 
01.05.2015, 00:25, "IK1WVQ Mauro" <[email protected]>:

73 to all,

I would like to know your opinion about this:

I can made a square TX loop for 470KHz of 7 * 3 meters (see picture) in the terrace of the building where I live (6 floors).

the questions are:

- it is enough a 6mmq copper electric wire ??  (20W is the output power of my tx).
- single turn or two turns spaced 10cm max ?? (two turns =  less pF required to take the resonance).
- Is this a good idea to start to trasmit on 470KHz WSPR ??

thanks in advance for your attention.

73 de Mauro IK1WVQ




Avast logo

Questa e-mail è stata controllata per individuare virus con Avast antivirus.
www.avast.com

 
 
--
73!
Roman, RW3ADB
 
<Prev in Thread] Current Thread [Next in Thread>