Talk About Network

Google


Register and Login
Nick
Password
Register create new account Sign up is FREE and you can post replies, new topics, bookmark posts and more!
Recover lost password


Aviation > Learning to fly > Re: How does TC...
Latest [ Topics | Posts ] Archive Post A New Topic Post a Reply
<< Topic < Post Post 5 of 9 Topic 3969 of 4234
Post > Topic >>

Re: How does TCAS get range and bearing?

by Bob Noel <ihatessppaamm@[EMAIL PROTECTED] > Jun 3, 2008 at 09:52 PM

In article <DfKdnRn-_pQbQtjVnZ2dnUVZ_oninZ2d@[EMAIL PROTECTED]
>,
 "RST Engineering" <jim@[EMAIL PROTECTED]
> wrote:

> Bob ...
> 
> I think you are a little bit off the mark.  TCAS sends, in one form or 
> another, my lat/long/altitude out either as a radar blip to an
interrogation 
> or from GPS coordinates.  If you know your own l/l/a and you get another

> l/l/a and the l/l/a of the interrogator, just a wee bit of geometry and 
> software can give you target info accurate to a degree and a few feet of

> altitudinous.

um, no.  ADS-B OUT sends out lat/long/altitude.  TCAS does not
send/receive 
that info.

ADS-B would be so much better than TCAS for SA, but one thing that has to
be addressed is the validation of the information (there is nothing
preventing
spoofing ADS-B out information).

-- 
Bob Noel
(goodness, please trim replies!!!)
 




 9 Posts in Topic:
How does TCAS get range and bearing?
Dallas <Cybnorm@[EMAIL  2008-06-03 14:15:35 
Re: How does TCAS get range and bearing?
jimp@[EMAIL PROTECTED]   2008-06-03 19:45:04 
Re: How does TCAS get range and bearing?
Bob Noel <ihatessppaam  2008-06-03 19:44:43 
Re: How does TCAS get range and bearing?
"RST Engineering&quo  2008-06-03 17:19:01 
Re: How does TCAS get range and bearing?
Bob Noel <ihatessppaam  2008-06-03 21:52:15 
Re: How does TCAS get range and bearing?
deanwil@[EMAIL PROTECTED]  2008-06-12 08:30:46 
Re: How does TCAS get range and bearing?
Peter Clark <Invalidi@  2008-06-12 15:57:29 
Re: How does TCAS get range and bearing?
"Hilton" <no  2008-06-03 16:57:31 
Re: How does TCAS get range and bearing?
Gezellig <nokonihi@[EM  2008-06-04 18:56:26 

Post A Reply:
  Go here to Signup

AddThis Feed Button


About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup

Contact
tan12V112 Sat Nov 22 5:48:28 CST 2008.