10 kw 16068 kc crystal controlled transmitter as in new high frequency
room - June 1929
New high frequency room (ex- station battery room) showing six
station-built high frequency transmitters. Wiring trenches and spaces on
left are reserved for TAL and TAG transmitters - June 1929
500 watt A C W high frequency transmitter - June 1929
Naval radio operators on duty in the receiving hut of the Navy's
trans-Pacific high power station at Cavite, Philippine Islands
from 1922 Radio Broadcast magazine thanks to Google
Three 600' towers were built in 1917 - one destroyed in 1941 attack,
two demolished in 1945
NPO Cavite, Philippines 1927
NPO Cavite, Philippines 1930 - Sangley Point antenna towers in
background
NPO Cavite, Philippines 1934 - Sangley Point antenna towers in
background
NPO Cavite, Philippines 1940
NPO tower base
Photo from atop an NPO tower
Photo from atop an NPO tower
NPO Cavite
View looking southwest from coal bunkers on Sangley Point, 10 April 1917. Note riveting stage on center tower. The other two
towers have been completed
View looking northwest, probably from Cavite, following World War
I
1930's photo
1941 photo
1945 Tower Demolition by 77th Construction Battalion (Seabees)