Using HFTA and modeling a 2-el 40-m beam over flat ground, the lobe moves
from an elevation angle of about 29 deg at 69ft to 25 deg at 79ft. It's
probably not worth going through a lot of extra work to obtain this change.
73, Bob - W3YY
----- Original Message -----
Sent: Saturday, October 16, 2004 7:15 AM
Subject: [TowerTalk] Tower height increments
> Greeting fellow TTalkers,
> I have an interesting question.
> Does anyone know what happens to the radiation lobes for a 40 meter yagi
> when it height above the ground is changed from 69 feet to 79 feet? It
> boils down to whether or not the extra 10 feet is really worth it --- or
> potential hassle from a City Engineer for the extra 10 feet.
> Regards, Warren Wolff; W5KKW
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
> TowerTalk mailing list
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
TowerTalk mailing list