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SR-209; Astro Communications (ID = 1565183) Receiver-C
SR-209; Astro Communications (ID = 1565190) Receiver-C
SR-209; Astro Communications (ID = 1565215) Receiver-C
SR-209; Astro Communications (ID = 1565230) Receiver-C
SR-209; Astro Communications (ID = 1565252) Receiver-C
SR-209; Astro Communications (ID = 1565407) Receiver-C
SR-209; Astro Communications (ID = 1565408) Receiver-C
SR-209; Astro Communications (ID = 1565409) Receiver-C
SR-209; Astro Communications (ID = 1565413) Receiver-C
SR-209; Astro Communications (ID = 1565418) Receiver-C
SR-209; Astro Communications (ID = 766852) Receiver-C SR-209; Astro Communications (ID = 766853) Receiver-C
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SR-209; Astro Communications (ID = 766852) Receiver-C
Astro Communications: SR-209 [Receiver-C] ID = 766852 933x670
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For model SR-209, Astro Communications, Gaithersburg.:
ACL SR-209 in the configuration used by the Swiss Army as E-648
Country:  United States of America (USA)
Manufacturer / Brand:  Astro Communications, Gaithersburg.
alternative name
Year: 1965 ?? Category: Commercial Receiver (may include amateur bands)
Main principle Super-Heterodyne (Super in general)
Wave bands VHF incl. FM and/or UHF (see notes for details)
Power type and voltage Alternating Current supply (AC) / 115; 230 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: SR-209 - Astro Communications,
Material Metal case
Shape Rack
Dimensions (WHD) 19 x 3.5 x 15.1 inch / 483 x 89 x 384 mm
Notes ACL SR-209 VHF/UHF-Receiver: coverage depending on installed tuning heads in the range of 30 - 2000 MHz, modes AM, FM, CW, PAM.
In the standard configuration, the 3,5 inch height set includes the receiver main module and two interchangeable tuning heads or one tuning head and a display unit. The whole set is of modular construction:
Tuning heads:
SH-201P: 30 - 100 MHz
SH-202P: 90 - 300 MHz
SH-203P: 250 - 500 MHz
SH-204P: 490 - 1000 MHz
SH-205P: 990 - 2000 MHz.
Plug-in Display Unit:
SDU-102P: 1" x 3" CRT display to provide a visual display of the activity around the signal received.
Optional plug-in battery pack:
BP-201P: rechargeable NiCd battery pack providing +12, -12, +24 V DC power.
Plug-in IF-amplifier / Demodulator Boards:
IF-210-20: 20 kHz IF bandwidth,
IF-210-XXX: the last three digits stand for the IF bandwidth,
the provided optional boards are 60 / 100 / 300 / 500 / 2000 / 3000 / 4000 kHz.
Other modules are:
AGC-202-2: plug-in AGC amplifier board (standard board)
VA-202-1: plug-in Video amplifier board (standard board)
AA-101: plug-in Audio Amplifier board (standard board)
COR-201: plug-in COR (carrier operated relay, similar to squelch operation) board (standard board).
PS-103: power supply board providing + 12 / - 12 V DC
PS-104: power supply board providing + 24 V DC.
Net weight (2.2 lb = 1 kg) 30 lb (30 lb 0 oz) / 13.620 kg
Source of data -- Original-techn. papers.

Model page created by Martin Bösch. See "Data change" for further contributors.

All listed radios etc. from Astro Communications, Gaithersburg.
Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.