[WISPA] For the Quiet Louisiana group

2007-03-18 Thread CHUCK PROFITO
After having dug to a depth of 10 meters last year, Scottish scientists found traces of copper wire dating back 100 years and came to the conclusion that their ancestors already had a telephone network more than 100 years ago. Not to be outdone by the Scots, in the weeks that followed, British

Re: [WISPA] Warning: Soapbox ahead ...

2007-03-18 Thread Marlon K. Schafer
Great post Ed. It reminds me of why I'm on these lists in the first place! marlon - Original Message - From: "Edward J. Hatfield III" <[EMAIL PROTECTED]> To: "'WISPA General List'" Sent: Sunday, March 18, 2007 2:08 PM Subject: [WISPA] Warning: Soapbox ahead ... Marlon, you're exactl

Re: [WISPA] LMR600, LMR900, Heliax

2007-03-18 Thread Marlon K. Schafer
It's not actually a wire, it's a pipe. And the size of the pipe is bigger than the wavelength. This allows the signal to bounce around inside the cable. Basically creating multipath right in the wire. At least that's my understanding of it. laters, marlon - Original Message - Fro

[WISPA] Warning: Soapbox ahead ...

2007-03-18 Thread Edward J. Hatfield III
Marlon, you're exactly right and that was a nice "catch" on your part. {:-) Originally we were using customer-supplied materials on that project and the quality of the electrical tape they provided was distinctly inferior to the products we would have liked to use. It neither stretched properly nor

Re: [WISPA] LMR600, LMR900, Heliax

2007-03-18 Thread Mario Pommier
Bob (or anyone), Can you explain why 7/8 heliax isn't appropriate for 5Ghz? Thanks for the posts. Mario Bob Moldashel wrote: OK.Lets talk cable 1. You can't use 1 1/4 or 1 5/8 heliax at 5 Ghz anything. Can't use 7/8 heliax there either. You canbut it won't work right