RE: [Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Ron D'Eau Claire
-Original Message- Jack wrote: I have been following the antenna threads since I started building the KX1. These experiments are based on that thread, the ARRL Handbook 2004, previous research into commercial verticals and my own experience. The goals are to find the best antenna for

[Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Jack Regan
I have been following the antenna threads since I started building the KX1. These experiments are based on that thread, the ARRL Handbook 2004, previous research into commercial verticals and my own experience. The goals are to find the best antenna for the KX1 under various operating conitions.

[Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Jack Regan
I have been following the antenna threads since I started building the KX1. These experiments are based on that thread, the ARRL Handbook 2004, previous research into commercial verticals and my own experience. The goals are to find the best antenna for the KX1 under various operating conitions.

Re: [Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Alexandra Carter
Well, it's probably the Pac-12. Add 1-2 more of those sections to the part below the coil, use plenty of radials, and try something I saw someone set up, they just use the 40m coil with a jumper with an E-Z Hook on it to select turns for higher bands. It's a nice antenna! 73 de Alex NS6Y.

Re: [Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Stuart Rohre
The whole concept of radials is to improve the conductivity path for return current to the base of the vertical antenna, when the antenna is not a complete half wave dipole, (and therefore, balanced and a complete radiator unto itself). You are replacing always lossy (to some degree), earth or

RE: [Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Ron D'Eau Claire
What Stuart says about radials is quite true, but there is another important reason for a tuned radial (or other ground connection) other than to improve the efficiency of an end-fed wire. Consider the end-fed dipole; it's probably the most extreme example of what I'm talking about. Fed at the

Re: [Elecraft] KX1 #1403 Antenna Project

2006-06-29 Thread Stuart Rohre
Good points Ron. I usually call those RF control radials, an RF counterpoise, as sometimes you can use one cut for each band of concern and run it around the baseboard of a shack. I like to think of a radial as an outside wire, and counterpoise as an insulated inside the shack RF control aid.

[Elecraft] KX1 #1403 Antenna Project

2006-06-28 Thread Jack Regan
I have been following the antenna threads since I started building the KX1. These experiments are based on that thread, the ARRL Handbook 2004, previous research into commercial verticals and my own experience. The goals are to find the best antenna for the KX1 under various operating