The Warsaw Trade Tower has a metal spire ( mast antenna relay ) attached to the building on steel rims.
2.
The only electrical components of the AN / ARC-5 transmitter system that are interchangeable with the earlier systems are the dynamotor and the antenna relay.
3.
After that, the antenna relay was disassembled and all that remained of the support structure for the antenna were cross-arms, which can be seen on the original tower structure in Valparaiso, Indiana to this day.
4.
WBBM-TV even used the over-engineered tower structure at WNWI as a TV antenna relay for a brief period in the 1960s to improve TV service to Northwest Indiana until the Sears Tower was built and the CBS affiliate could move its transmitter and antenna to the top of the new building.
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