![]() |
If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
Thread Tools | Display Modes |
|
#1
|
|||
|
|||
![]() "Bob Noel" wrote the elevation radar determines altitude the same way the azimuth radar determines bearing. There are actually two radars running for PAR, right? One sweeping left to right and one sweeping up and down, I think. -- Jim in NC |
#2
|
|||
|
|||
![]()
"Clark" wrote in message
... "Morgans" wrote in : "Bob Noel" wrote the elevation radar determines altitude the same way the azimuth radar determines bearing. There are actually two radars running for PAR, right? One sweeping left to right and one sweeping up and down, I think. As far as I know you are entirely correct. The installations I've seen (years ago and far away) have two independent radar systems, one for the horizontal and one for the vertical. Of course I've only seen ancient technology and I'm sure that these days it could be done with one steerable beam. Older PARs (which there are many still around) don't really have two independent systems. They basically separate the radar signal between two antenna (one for azimuth and one for elevation). Newer designs (which are still quite old) use a phase array which steers the beam. In both designs the transponder is neither required or used. |
Thread Tools | |
Display Modes | |
|
|
![]() |
||||
Thread | Thread Starter | Forum | Replies | Last Post |
below the radar | Philip Stroh | Aviation Photos | 31 | November 27th 06 03:12 PM |
Integrating onboard weather radar data with satellite-fed Doppler radar | [email protected] | General Aviation | 3 | January 9th 05 08:57 PM |
Question about the F-22 and it's radar. | Scott Ferrin | Military Aviation | 128 | June 13th 04 01:23 AM |
Yet another "Radar Required" question. | Roy Smith | Instrument Flight Rules | 14 | April 27th 04 05:07 PM |
F15E Radar question. | Bill Silvey | Military Aviation | 5 | August 30th 03 06:17 PM |