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NVIS N ear   V ertical   I ncident   S ky w ave Norm Fusaro, W3IZ
Introduction ,[object Object],[object Object],[object Object]
What Is NVIS? ,[object Object]
 
NVIS is not an antenna, but a technique. Reliable communications between stations are based on three major factors.
Advantages of NVIS ,[object Object]
[object Object]
 
[object Object]
 
Advantages of NVIS ,[object Object],[object Object],[object Object]
Advantages of NVIS ,[object Object],[object Object],[object Object]
NVIS Military  Applications
05/05/10 ,[object Object]
 
Russian military communications vehicle which uses an NVIS antenna system. Photos by PA3EQB
 
This drawing is representative of a light-recon vehicle used in forward areas by German forces during WW II.
NVIS HF radio systems played a key role for the Allied Forces during the D-Day invasion of Normandy in 1944.These techniques were incorporated into Signal support planning by  Dr. H. H. Beverage.
USMC test proves NVIS highly reliable. 20 watts = 100% effectiveness in 200 mile radius
Antenna Height
NVIS Deployment ,[object Object],[object Object],[object Object]
 
 
 
Frequency
NVIS Deployment ,[object Object],[object Object],[object Object],[object Object]
 
Power Level
NVIS Deployment ,[object Object],[object Object],[object Object],[object Object]
W3IZ Deploying NVIS in Nockamixon Park.
AS-2259
 
Dimensions for Amateur Bands ,[object Object],[object Object],[object Object],[object Object]
NVIS Conclusions ,[object Object],[object Object],[object Object]
NVIS Conclusions ,[object Object],[object Object],[object Object]
Stuff To Checkout ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Nvis