ks15676
2 photos tagged ks15676, from 1 member of Flickr Commons.
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The last upload was January 2026.
26_0049216 Rohr Collection Image from SDASM Archives uploaded January 2026
26_0043237 Rohr Collection Image from SDASM Archives uploaded January 2026
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26_0043237 Rohr Collection Image
from SDASM Archives
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Chuck Walla said:
These are apparently Rohr's effort to make horn antennas for the Bell System. These were an artifact of five nines reliability. Most of the 3500-4000 MHz links these carried have been transitioned to (reliable) fiber.
In a WalMart culture, where everyone is trying to get something for nothing, there's no room for five nines reliability.
Suggested reading: Sagan, Scott, The limits of Safety: Organizations, Accidents, and Nuclear Weapons
Installed horn antennas: