Madhu
QST has published many articles on noise. If you are a member of ARRL you can download them directly. If not you may be able to find a ham who may be a member and he may be able to help you.
73
Prasad
--- In HamBrewers@yahoogroups.com, Madhukar VU2MUD <vu2mud@...> 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!!
> Â
> 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.
> Â
> Planning for a Horizontal installation - I understand that this gives me only Ground Waves - OK for now.
> Â
> I need clarifications on the following issues.
> Â
> 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??
> Â
> I have a LDG - Z-100 Plus antenna tuner.Â
> Â
> Madhukar â€" VU2MUD
> Yahoo Mail: vu2mud@...
> Gmail: vu2mud@...
> General Blog: http://vu2mud.blogspot.com
> Satellite Blog: http://workingtheoscars.blogspot.com
> Location: Lat: 13° 0' 6'' N; Long: 77° 32' 10'' E;         Â
> Grid Loc: MK83SA
>
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