Omni 15dbi outdoor

[clanon 246]

XLS Excel dimensions for wifi 

colineaire.xls

[clanon 246]

https://web.archive.org/web/20070827000210/http://www.xaviervl.com/Antenne/Colinear/index.html

[eco32 27]

Thats stubm balun, it may be directed downward or upward, I have no idea what the difference in operation is. Only klow that is to phase shift. (My version in previous page was tunable)

Edited August 27 by eco32

[clanon 246]

4 hours ago, eco32 said:

Thats stubm balun, it may be directed downward or upward, I have no idea what the difference in operation is. Only klow that is to phase shift. (My version in previous page was tunable)

Open side pointing up (the direction of the Energy you DON'T want coming through the Shield of Coaxial) imho The confussion comes from the rubber duckie pointing DOWN (open end) cause it is ACTING as a Quarter wave and ground plane to obtain a HALF WAVE dipole...

Edited August 27 by clanon

[eco32 27]

I did mistake, it is stub balun not a stubm balun

[clanon 246]

On 8/28/2024 at 4:10 AM, eco32 said:

I did mistake, it is stub balun 

It's known as a BAZOOKA balun

[Admin 2545]

,,,something like this...