[Milsurplus] High & Mighty SCR-718

Dan Arney hankarn at pacbell.net
Mon Aug 1 01:02:42 EDT 2005


Well, first of all with all parties flying with a setting of 29.92 means 
that all aircraft are at the same altitude over land and water. so If I 
am flying over Greenland at FL350 and you are flying in your BFUF and at 
FL390 you are telling me that your radio altimeter is going to tell you 
the direction of the wind when the icecap below is 10000 plus ASEL.
I always had a "HowGoZit" DR running and cross checked all of my 
positions and Checkpoints without benefit of the Stargazer (navigator) 
in DC-6, Connines, DC-8 and 707's. I still have my Periscopic, Mixmaster 
and astro compass which I used in the Canadian NWT using modified GRID 
navigation hauling fuel oil all over the Arctic. We hauled into the 
island where the magnetic north pole was a that time and while sitting 
on the ground the whiskey compass was moving back and forth 1180 degrees 
and tilting up and down.

While flying the No. Atlantic and No Pacific we were more interested in 
where the tight Isobars depending on our direction of flight. push or 
shove +/-.

There were are some some good stargazers out there but in a lot of cases 
I would prefer my DR/Howgozit.
I have used Consolan, LORAN, DECCA, Omega and INS along with GPS.
I have had 10 hour or longer flights with INS/OMEGA and pull up to the 
gate check along track and cross track error and be Zero/Zero and the 
Lat Long on the money for the published data.

In the airline industry our Radar altimeter only read from 2500 feet AGL 
to ground.

I have over 20,000 hours logged and do not understand how your radar 
info can tell you the wind direction
With Doppler and all of the computer run systems they all give you 
ground speed, wind direction and speed, crosswinds and have nothing to 
do with pressure altitude.

I am no longer flying but if you can provide me with your pressure 
pattern navigation 101 I have an open mind,
Hank
KN6DI



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