RE: [AMRadio] I'm not an antenna expert

2006-01-11 Thread John Coleman ARS WA5BXO
I would be curious as to what the fundamental resonance frequency is and what the high impedance and low impedance actually is at the feed point of the antenna without balanced line. If the feed point at the transmitter end of the line is too low, add or subtract some feed line. You can also add

Re: [AMRadio] I'm not an antenna expert

2006-01-11 Thread W7QHO
In a message dated 1/11/06 10:07:04 AM, [EMAIL PROTECTED] writes (in part): >   But the question I still have is - what do you think of modifying the > Loop into a dipole - I'm going to try it anyway, just for the halibut - > John Good idea. Antennas experiments are fun! > but I have also th

Re: [AMRadio] I'm not an antenna expert

2006-01-11 Thread John Lawson
On Wed, 11 Jan 2006, W5OMR/Geoff wrote: There's no law that says you have to run full power output, to tune SWR on an impedance matching device... Ooops - I should have clarified that - I do not run full power to play with the tuning - actually I run the minimum I can get the Valiant t

Re: [AMRadio] I'm not an antenna expert

2006-01-11 Thread W7QHO
In a message dated 1/11/06 9:18:50 AM, [EMAIL PROTECTED] writes: > I'm afraid of what I'm doing to the > tuner/transmitter at that amount of reflected power. > John, What kind of a tuner are you using and where are you measuring the SWR? Dennis D. W7QHO Glendale, CA

Re: [AMRadio] I'm not an antenna expert

2006-01-11 Thread W5OMR/Geoff
John Lawson wrote: On Wed, 11 Jan 2006, Brian Carling wrote: Should work great for close in work, out to about 200-500 miles. Well, except for the bands where the system SWR is over 3:1 - then it don't work at all ;} and I'm afraid of what I'm doing to the tuner/transmitter at

Re: [AMRadio] I'm not an antenna expert

2006-01-11 Thread John Lawson
On Wed, 11 Jan 2006, Brian Carling wrote: Should work great for close in work, out to about 200-500 miles. Well, except for the bands where the system SWR is over 3:1 - then it don't work at all ;} and I'm afraid of what I'm doing to the tuner/transmitter at that amount of reflect

Re: [AMRadio] I'm not an antenna expert

2006-01-11 Thread Brian Carling
Should work great for close in work, out to about 200-500 miles. On 11 Jan 2006 at 11:43, John Lawson wrote: > > I don't even play one on TeeVee... > >So, in advance of a lot of EZNec work (and I don't have the experience > with that program to derive much 'good' out of it right now) - I'd