View Single Post
  #64   Report Post  
Posted to sci.electronics.design,alt.binaries.schematics.electronic,sci.electronics.cad,sci.electronics.basics
Tom Miller Tom Miller is offline
external usenet poster
 
Posts: 96
Default Garage Door Opener Range.


"Jeff Liebermann" wrote in message
...
On Fri, 09 May 2014 12:02:50 +0100, Mike Perkins
wrote:

http://802.11junk.com/jeffl/antennas/Monopole/index.html


What is the software model you've used here?


4NEC2:
http://www.qsl.net/4nec2/
4NEC2 does not have an easy way to produce presentable web pages, so I
screen grabbed the JPG's using Irfanview and assembled the web page
with jAlbum.

I also use EZNEC:
http://www.eznec.com

--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558


Do you believe the numbers it is giving you? 5.19 dB for a 1/4 wave ground
plane antenna? Also, gain is in dB, not dBm. Just a little nit.