Topband: Homebrew Hairpin

2012-09-25 Thread Hal Kennedy
I have matched quite a few Tee top verticals - and do it as follows... Put an antenna analyzer at the feedpoint and measure what you have at the QRG you want - probably 1.830? Put the numbers into the TLW program and let it design an L network for you. Wind the L and use transmit quality

Re: Topband: Homebrew Hairpin

2012-09-25 Thread Jim Brown
On 9/25/2012 9:46 AM, Hal Kennedy wrote: I can supply a coil winding Excel spreadsheet off the list to help get the coil wound. The nearly 100 year old formulas in the Handbook for winding coils are spot on. I've plugged them into a spreadsheet to crunch the numbers for me, and measurements