Re: Topband: Inv L corner insulator

2021-09-27 Thread Jim Brown
On 9/27/2021 4:37 PM, Joe Subich, W4TV wrote: Place an engineer and mathematician on one goal line of a football field with a comely cheerleader on the other goal line.  If you tell the engineer and mathematician the can go to her but can only go half the distance at a time, the mathematician

Re: Topband: Inv L corner insulator

2021-09-27 Thread Joe Subich, W4TV
> Reminds me of the Engineers' interpretation of the glass being half > empty or half full - It's actually larger than it needs to be. Or the difference between an engineer and mathematician ... Place an engineer and mathematician on one goal line of a football field with a comely cheerleader

Topband: Topband corner insulator@W3HKK

2021-09-27 Thread W3HKK
Roger, Ive been at this QTH since 2009. Use #14 solid copper (insulated) through the top corner insulator. It started out as a 20 ft tall, 1/4 wave for TB with a single ground rod and no radials. That first winter with 100w I worked a 4X4 , an LZ, and a JA. I was stunned. Over the years as the

Re: Topband: Inv L corner insulator

2021-09-27 Thread Gene Smar via Topband
Gents:      I've heard Engineering described as the art of approximation. Reminds me of the Engineers' interpretation of the glass being half empty or half full - It's actually larger than it needs to be. 73 de Gene Smar  AD3F, PE THAT'S what good engineering is all about! It's not

Re: Topband: Inverted L's etc

2021-09-27 Thread Stan K
"A 100# Bow and arrow was used for years to launch polyester string over 50-100 ft treesOne day, as I released my arrow, the lead weights and string I had tied to the tail of the arrow came off, and the arrow damned near went in orbit. Lost sight of it, so I listened carefully for a thud on a

Topband: YCCC Combiner and Control Box

2021-09-27 Thread gjpurden
Available if anyone needs them. Joe W6AYC gjpur...@gmail.com _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Re: Topband: NA activity + Inv-L corner insulator

2021-09-27 Thread Russ Tobolic via Topband
If you are hanging ropes over tree branches which tend to be abrasive I would highly recommend the "Wouff Hang" as designed by Roy Lewallen, W7EL.    He had an article in QST, October 2019 which describes the device made up a of several pieces of electrical conduit and PVC pipe which you pull