PTT Voice Mirrors (Part 3): Circa 1970's

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

Broadcaster: PTT voice mirrors from the 1970's Part 3

Frequency: various

Recption location: Ancaster, Ontario, Canada

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

Mode: Single Side Band

Notes:
Point to point stations were commonly found on shortwave in the 1970's outside of the normal SWBC bands. They could often be heard transmitting a repeating test message so a receiving station could tune them in prior to conducting radiotelephone traffic.

1.  U.S. Army radio station ACA, Panama Canal Zone

2.  Oostende Radio, Belgium

3.  PTT, Dakar, Senegal

4.  Reugen Radio, German Democratic Republic

5.  Venezuelan Telephone Company, Caracas

6.  French Telecommunications Service, Djibouti

7.  British Post Office Phototelegraph Network (no location given)

8.  Canadian Overseas Telecommunications Corporation, 

      Yamachiche, Quebec

9.  ENTEL, Bogota, Colombia

10.  Belgian Telegraph and Telephone Administration, Brussels

11.  British Post Office, London, England

12.  France Cables and Radio Company, Fort Lamy, Chad

13.  PTT, Blantyre, Malawi

14.  East African External Telecommunications Company Limited,

        Nairobi, Kenya

15.  International Telecommunications Corporation, Abidjan, Ivory Coast

16.  Office Congolais des Postes et Telecommunications, Kinshasa,Democratic Republic of the Congo

PTT Voice Mirrors (Part 2): Circa 1970's

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

Frequency: various

Recption location: Ancaster, Ontario, Canada

Your receiver and antenna: Hallicrafters S-52 using a longwire antenna

Mode: Single Side Band

Notes:
Point to point stations were commonly found on shortwave in the 1970's outside of the normal SWBC bands. They could often be heard transmitting a repeating test message so a receiving station could tune them in prior to conducting radiotelephone traffic.

1.  Radio Telephone Circuit, Godthaab, Greenland

2.  PTT, Papeete, Tahiti

3.  AFA, USAF Andrews Air Force Base, Maryland, USA

4.  AFI,  USAF McClellan AFB Sacramento, CA, USA

5.  Imperial Board of Telecommunications of Ethiopia, Addis Ababa

6.  Radiografica Costarricense, San Jose, Costa Rica

7.  International Radio Telephone Service, Havana, Cuba

8.  France Cables and Radio Company, Douala, Cameroon

9.  French Telecommunications Service, Noumea, New Caledonia

10.  AEZ, U.S. Army, Asmara, Ethiopia

11.  French Telecommunications Service, Fort de France, Martinique

12.  CUW, USAF Aerospace Communications Complex, Lajes AFB, Azores

13.  Malgache Republic International Telecommunications Company,

        Tananarive, Madagascar

14.  French Telecommunications Service, Pointe a Pitre, Guadeloupe

15.  France Cables and Radio Company, Niamey, Niger

16.  French Telecommunications Service, St. Pierre et Miquelon

17.  France Cables and Radio Company, Monrovia, Liberia

PTT Voice Mirrors (Part 1): Circa 1970's

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

Broadcaster: PTT voice mirrors from the 1970's Part 1

Frequency: various

Recption location: Ancaster, Ontario, Canada

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

Mode: Single Side Band

Notes:

Point to point stations were commonly found on shortwave in the 1970's outside of the normal SWBC bands. They could often be heard transmitting a repeating test message so a receiving station could tune them in prior to conducting radiotelephone traffic. These recordings were all made at Ancaster, Ontario, Canada, using either a Hallicrafters S52 or Realistic DX150A receiver hooked up to a long wire antenna.

1.  Australian Overseas Radiotelephone Service, Sydney

2.  Reykjavik Radio, Iceland

3.  Moscow Radio Telephone Station, USSR

4.  Radio Telephone Station, Warsaw, Poland

5.  Overseas Station Berlin, German Democratic Republic

6.  Yugoslav Telegraph and Telephone Administration, Belgrade

7.  Swiss Telegraph and Telephone Administration, Bern

8.  ITALCABLE, Rome, Italy

9.  Netherlands PTT, Amsterdam

10.  Cyprus Telecommunications Authority, Nicosia

11.  Cairo Radio Telephone Terminal, Arab Republic of Egypt

12. PTT and Radio Administration, Tel Aviv, Israel

13. Saudi Arabian Post, Telegraph and Telephone Administration, Jeddah

14.  Moroccan Radio Electrical Centre, Rabat

15.  Companhia Portuguesa Radio Marconi, Luanda, Angola

16.  RCA Global Communications, New York City

17.  France Cables and Radio Company, Lome, Togo

18.  Zambian Post Office, Lusaka