[Antennas] 468/Freq in Mhz

[Chris Boone]

The formula is approximate...it is for free space of a normal conductor
size...(say #12 or so)...
The length will be SHORTER with a fatter conductor...thus if you use the
formula, the length you get will resonate LOWER (but will have better
bandwidth because of the thicker radius of the radiator)
Insulation of the wire would also affect it...the 468/MHz is a HALFWAVE
length of the RF signal....how long the antenna should be depends on size,
type, etc of material!

Chris
WB5ITT
[PS: As an Extra, you should have known that...Im sorry but I knew that at
age 15 as an Advanced in 1974 (Still am an Advanced too...35yrs of broadcast
engineering under my belt as well) I take it you are a fairly newly
licensed..I encourage you to READ the tech manuals and get your knowledge
equal to the license class..I have had serious issues with the current
licensing scheme where EXTRAS are churned out with no or little technical
knowledge..nothing personal against you...but I feel an Extra (the HIGHEST)
class, should KNOW things like that...as they USED to back in the
60-70s....before they cheapened the tests IMHO]


-----Original Message-----
From: antennas-bounces at mailman.qth.net
[mailto:antennas-bounces at mailman.qth.net] On Behalf Of Jerry
Sent: Sunday, August 23, 2009 12:59 PM
To: antennas at mailman.qth.net
Subject: [Antennas] 468/Freq in Mhz

Hi out there,
Is the subject formula good for both #14 wire and 1 inch
diameter aluminum tubing?  If not, please elaborate.
Thank you.    Jerry N6VG