Over The Horizon Radar

[haldilal]

 

[haldilal]

Over The Horizon Radars : Situational Awareness Beyond The Horizon

by Brig Arvind Dhananjayan (Retd). OTHR, or beyond-the-horizon radar (BTHR), operate in the HF Band and use large antenna arrays to transmit EM waves. These waves are reflected in a chosen medium (ionosphere/ sea-air interface) to reach the target location and reflected back through the same...

chanakyaforum.com

 

[haldilal]

IARU Reports Another Over-the-Horizon Radar System is Under Construction in India

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.

www.arrl.org

 

[125mm_Smoothbore]

View attachment 2406

Yeh over the horizon radar thodi hai yeh to swordfish hai shayad

 

[haldilal]

Yeh over the horizon radar thodi hai yeh to swordfish hai shayad

Indian OTHR based on Swordfish technology.

 

[125mm_Smoothbore]

Indian OTHR based on Swirdfish technology.

Oh didnt knew that