Ham Radio Homebrew Informations: Re: [HamBrewers] Question on Loop/ Delta Loop

Thursday, November 15, 2012

Re: [HamBrewers] Question on Loop/ Delta Loop

It's unclear from the combination of your yahoo.co.uk email address
and your callsign to determine which country you're in :-), but here in
England, if you complain to the electricity authorities about a particular
noisy pylon or pole, then they'll thank-you for reporting an insulator
with corona discharge, and sort it out. (Or so I've heard)

73 de Gareth G4SDW

--- On Thu, 15/11/12, Madhukar VU2MUD <vu2mud@yahoo.co.uk> wrote:

I face a very high level of electrical noise at my new Permanent QTH - being just about 300 Mtrs from HT Lines - becoming a Permanent QRM too!!

This is present at unacceptable levels - s-9 + most of the times. This made me consider a Loop/Delta Loop Antenna for 7 Mhz to handle the noise issue.

Planning for a Horizontal installation - I understand that this gives me only Ground Waves - OK for now.

I need clarifications on the following issues.

1. Most of the Links that I see on the web is for a full wave design. What limits the use of a Half Wave Delta Loop??

2. Where should bthe feedpoint be?

3. What will be feedline impedence??

4. What kind of Balun is required to feed to a 50 Ohm cable?

5. What else is to be considered??

I have a LDG - Z-100 Plus antenna tuner.

Madhukar – VU2MUD
Yahoo Mail: vu2mud@yahoo.co.uk