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WWVB Photo Gallery
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See & hear: | WWVB Home Page |
Photo Gallery 1 |
Photo Gallery 2 |
The antenna. The antenna for WWVB undergoes regular maintenance, as well as periodic upgrades. These photos were taken during a major upgrade which took place from 1997 to 2000.
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The transmission line. A 50 Ohm transmission line connects the 60 kHz transmitter in the broadcast house with the antenna. The transmission line begins on huge spools, and is buried in a shallow trench.
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Variometer installation. With the 60 kHz antenna, the transmission line must be matched to the antenna though a coil called a variometer.
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New equipment. Construction of the new 60 kHz transmitters.
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Retired equipment. The following are the old 60 kHz transmitters and antenna matching transformer.
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