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Shortwave Receivers
used by the Swiss Army

Swiss Army Communication Sets
 
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überarbeitet am 30.8.2010

In the early years of wireless communications, the Swiss Army mainly relied on German made equipment from Telefunken or Lorenz. Later, in the years just before WWII broke out, Swiss companies started to develop the necessary communications sets with the aim to keep Switzerland independant from foreign suppliers. Amongst these manufacturers, You find names like Autophon AG (Solothurn), Standard Telephone and Radio AG (Zurich, the later Alcatel) and Zellweger AG (Uster).

Receiving equipment
(see here for list of sets using E-XXX designations)

Receiver E213
Telefunken
(1920/21):
85 kHz - 2 MHz, AM;
battery operated receiver, used in Wireless station FL19
 
Audion Receiver E266
Telefunken
(1922):
125 kHz - 2 MHz, AM;
battery operated receiver, used in wireless station US17/D
 
Receiver Lo
Lorenz
(1922):
battery operated
 
2 tuned circuits - Receiver E25
Telefunken Tfk Spez7 Bs
(1926/29):
125 kHz - 2 MHz, AM;
battery operation, used in wireless stations FL25, TS25
E25
Long- / Mediumwave Receiver E31
Telefunken Spez 470 Bs
(1931):
100 kHz - 1091 kHz, AM;
TRF receiver, elimination of interfering signals through phasing with use of a secondary loop antenna
E31
All Wave Receiver Lo EO509/I
Lorenz
(1938/39):
15 kHz - 20 MHz, AM;
TRF receiver, used in G1,5K (first series) wireless station
E-622 / Lorenz EO509/I
All Wave Receiver E39 / E-600
Autophon
(1939/41):
100 kHz - 60 MHz, AM;
mains or battery operation using vibrator unit
E39
All Wave Receiver E41 / E-601
Zellweger
(1943/46):
100 kHz - 60 MHz, AM;
mains or battery operation using external mains power supply
E41
All Wave Receiver E44 / E-602
Autophon
(1945/51):
100 kHz - 37 MHz, AM;
mains or battery operation using external mains power supply
E44
Alarm Signal Receiver E45 / E-603
Autophon
(194x):
100 kHz - 37 MHz, AM;
Alarm Signal Receiver for use of Air Force / Anti-Aircraft Troops
E45
Short Wave Receiver E-627 (1952/56):
1,5 - 32 MHz, AM, CW, SSB(BFO);
mains power supply, optional external vibrator power supply for battery operation
E-627
VHF-Receiver E-628 (1955/58):
20 - 180 MHz, AM,FM;
mains power supply, optional external vibrator power supply for battery operation
E-628
Communications Receiver E-629 /
Collins 51-J-4
(1956):
0,5 - 30,5 MHz, AM, CW, SSB(BFO);
mains power supply
E-629 / Collins 51J-4
Receiver E-630 /
Rohde & Schwarz ESM-180
(1960?):
30 - 180 MHz, AM, CW(BFO), FM;
mains power supply
E-630 / ESM-180
Receiver E-631 /
Rohde & Schwarz ESM-300
(1956):
85 - 300 MHz, AM, CW(BFO), FM;
mains power supply
E-631 / ESM-300
Communications Receiver E-645 /
Siemens E311b1
(1959):
1,5 - 30,1 MHz, AM, CW, SSB;
mains power supply
E-645 / Siemens E-311
Communications Receiver E-646 /
Siemens E311b1
(1959):
1,5 - 30,1 MHz, AM, CW, SSB;
mains power supply
E-645 / Siemens E-311
Surveillance Receiver E-649
Watkins Johnson WJ-521A-3
:(ca. 1970)
Surveillance Receiver, SW / VHF
20 - 80 MHz, analog film dial and optional DRO-290A-1 digital frequency display using Nixie tubes; AM, CW, FM; integrated panoramic display;
used by "Funkpolizei", the miltary radiocommunications surveillance.
E-649
Communications Receiver E-655 /
Racal RA-1217
(1965):
1 - 30 MHz, AM, CW, SSB;
mains power supply
E-655 / RA-1217
Communications Receiver E-657 /
Telefunken E1501
(1982):
10 kHz - 30 MHz, AM, CW, LSB/USB;
mains power supply
E-657 / Telefunken E-1500
Communications Receiver E-658 /
Rohde & Schwarz EK 070
(1979):
10 kHz - 30 MHz, AM, CW, LSB/USB;
30 memories
E-658 / R&S EK 070

AEG - Telefunken E1800 / E1800A
(1987 / 1993):
10 kHz - 30 MHz, AM, CW, USB/LSB;
100 Speicher, RS232
 

AEG - Telefunken (DASA) E2000
(1995):
300 Hz - 30 MHz, AM, CW, USB/LSB;
"Blackbox" - receiver, fully computer controlled
 

"Troop entertainment" sets

Transistorized Receiver E-606 /
Velectra
(1966):
LMK1,K2,U; AM, FM(UKW);
portable radio using mains power supply, mainly found in command posts and shelters of civil proctection services used for listening to official informations distributed over national radio channels.
E606