Re: Topband: Fw: Re: Bouvet Island DX-pedition

2023-02-07 Thread Boye Christensen via Topband
Hi Lastest newscan be monitored here: https://www.dx-world.net/3y0j-bouvet-island/ Info fraom 7 feb. We all know that lasetest ant to go up will be for 160m ant the first to taken down ! 73 Boye OZ7C On 08-02-2023 01:46, Jim Brown wrote: On 2/7/2023 4:12 PM, Henry Pfizenmayer via

Re: Topband: Shape and height of K9AY loops

2023-01-20 Thread Boye Christensen via Topband
Hi Larger is better. I have a K9AY 50% higher and wider. Better signal on 160/80m ! Don't forget to make four wires on the ground connected to shield to ground on the box.. 73 OZ7C  Boye On 20-01-2023 22:45, Pete Smith N4ZR wrote: I don't think I've ever read anything about this.  Just

Re: Topband: How to RFI Proofing a Home Thermostat?

2022-12-29 Thread Boye Christensen via Topband
Hi It look more like it is in the end where the wires go into the controller where it need chokes ? but the correct way will be in both ends ! 73 Boye  HNY On 30-12-2022 02:26, George Collins wrote: Hello all, I have a problem when transmitting on 80 and 160: At power levels over about

Re: Topband: Kites?

2022-12-20 Thread Boye Christensen via Topband
Hi Keep in mind a 1/2 wave vertical feeding inpedance 1-3 Kohm this means high voltage ? ON4UN tried on his isolated tover for 164m 40m high to do so on 80 m, and only worked on low power ? Ended up with 4 1/4 wave slopers on the top 80m  the best vertical will be a 3/8 wave concerning

Re: Topband: Antennas and saltwater

2022-12-19 Thread Boye Christensen via Topband
Don't forget to  add a resistor, to avoid stadic building charge:  10Mohm or so 73 Boye On 20-12-2022 03:17, GEORGE WALLNER wrote: On boat you need to put a capacitor (22 nF or greater) in series with the GND connection. That will stop DC from "melting" your sacrificial anodes. GW On