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Semaphore transmission
Semaphore transmission and prosigns explaining vedio Done By KOLLAM NAVAL NCC UNIT SSC UMA LOBBY PANIKAR SN COLLEGE, KOLLAM 3K NAVAL NCC UNIT, KOLLAM
July 12, 2021
Unit : Ker Naval Unit NCC ,
Group HQ : NCC Gp HQ Kollam,
Directorate : NCC Dte, Ker & Lkdwp
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