American Telephone and Telegraph Company (AT&T) Voice Mirrors circa 1970's

The Shortwave Radio Audio Archive

Innhold levert av Thomas Witherspoon and The Shortwave Radio Audio Archive. Alt podcastinnhold, inkludert episoder, grafikk og podcastbeskrivelser, lastes opp og leveres direkte av Thomas Witherspoon and The Shortwave Radio Audio Archive eller deres podcastplattformpartner. Hvis du tror at noen bruker det opphavsrettsbeskyttede verket ditt uten din tillatelse, kan du følge prosessen skissert her https://no.player.fm/legal.

5M ago

M4A•Episoder hjem

Fetch error

Hmmm there seems to be a problem fetching this series right now. Last successful fetch was on April 26, 2024 09:47 (5d ago)

What now? This series will be checked again in the next day. If you believe it should be working, please verify the publisher's feed link below is valid and includes actual episode links. You can contact support to request the feed be immediately fetched.

Many thanks to SRAA contributor, Dan Greenall, who shares the following recordings and notes:

Broadcaster: American Telephone and Telegraph Company 1970's

Date of recording: circa 1970s

Frequency: various

Reception location: Ancaster, Ontario, Canada

Receiver and antenna: Hallicrafters S-52 using a longwire antenna

Mode: Single Side Band

Notes: Back in the days before the internet, radiotelephone communications were commonplace, and "voice mirrors" such as these from the American Telephone and Telegraph Company could be heard (usually in sideband mode) all over the shortwaves. These were broadcast so the receiving station could tune them in prior to actual traffic.

These recordings (Dixon and Oakland, California; Fort Lauderdale, Florida; and New York City) are from the early 1970's, and receiving location was Ancaster, Ontario, Canada. Receiving equipment consisted of a Hallicrafters S-52 hooked up to a longwire antenna.

387 episoder

#Shortwave #Ham #Analog #Thomas Witherspoon #Amateur Radio #Tech #Gadgets #Shortwave Radio Audio Archive #Air #Recording