[FoxHunt] TDOA questions.

[wolfbob]

Actually there are a lot of things that might be classified under the title 
TDOA. If you consider that time difference at a frequency can be measured as 
a phase difference, then you get the whole interferometer class as well as 
the doppler system itself. The only systems that I can think of at the 
moment that are not a TDOA is the Watson-Watt which used the amplitude 
difference in the antenna patterns (sum and difference) and the beam antenna 
which used just the single antenna pattern.

WBob, WB6JPI

.
----- Original Message ----- 
From: "Jim Korenz" <n8pxw at yahoo.com>
To: <whitaker at ieee.org>; "Radio Direction Finding" <foxhunt at mailman.qth.net>
Sent: Thursday, August 05, 2010 7:02 PM
Subject: Re: [FoxHunt] TDOA questions.


  Here is a pointer to Joe Leggio's site. He has a couple of versions of 
TDOA units.
http://theleggios.net/wb2hol/projects/rdf/tdoa2.htm
   JimK  N8PXW

--- On Thu, 8/5/10, C.Whitaker <whitaker at pa.net> wrote:

> From: C.Whitaker <whitaker at pa.net>
> Subject: Re: [FoxHunt] TDOA questions.
> To: "Radio Direction Finding" <foxhunt at mailman.qth.net>
> Date: Thursday, August 5, 2010, 8:12 PM
> de WB2CPN
> Would someone point me to a URL that would tell
> me what you guys are talking about. I can get the
> Time Domain, and I have part of one here, but what
> is TDOA?
> 73 Clete
>
>
>
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