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KSIV-FM 91.5 St. Louis

At 1,100 feet, this is one of the tallest towers in St. Louis. It also has  12 FM, 1 TV, 4 LPTV and 3 FM translators, making it one
of the most important too.


Another view of the tower.


Looking towards the top of the tower. Here you can see the FM Master, KPLR-TV, KUMO-LD (Look carefully) , KPNT 105.7
(6 bay ERI).


A closer view of the top four antennas.


The FM Master on top is here, it is a 8 bay Dielectric "FM-Vee" dual feed, dual input antenna.


Here is a closeup of one of the element structures on the antenna.


Another view of the antenna.


A third view of the antenna. Note KPLR-TV's antenna here too.


The 10 station FM Combiner for the master antenna.


The other side where the RF chaining happens.


Looking at the input side to one of the combiner modules. This is the module for 96.3 FM.


Some modules have been replaced, such as this one for KSLZ.


The output power divider section, including the 9" transmission line sections.


Here you can see the monitoring and remote control for the antenna.



Looking at the 91.5 primary transmitter, a BE FM-35B


And the small standby transmitter.