northernelectric

6 photos tagged northernelectric, from 3 members of Flickr Commons.

When were these photos taken?

2
1948
1949

 

Where were these photos tagged?

50% of these photos are geotagged.

Tags that often appear on the same photos:

Members using this tag

Photos

Photos tagged northernelectric:

Loading photos…

See more on flickr.com →

Recent uploads

The last upload was January 2026.

Conversations

Here’s a selection of the conversations happening on these photos:

26_0043237 Rohr Collection Image

from SDASM Archives

  • 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:

26_0049216 Rohr Collection Image

from SDASM Archives