User`s manual

Description SG-239 SG-237 SG-230 SG-231 SG-235
HF Frequency Range 1.8 - 30MHz 1.8 - 60MHz 1.6 - 30MHz 1 - 60MHz 1.8 - 30MHz
Power Input Range (PEP watts) 1.5-200 3-100 3-200 3-100 3-500
Continuous CW Power (watts) 80 40 80 60 200
Input Impedance Range (ohms) 45-55 45-55 45-55 45-55 45-55
VSWR (Typical) <2:1 <2:1 <2:1 <1.4:1 <1.4:1
DC Input Requirement (VDC) Nominal 13.8 13.6 13.6 13.6 13.6
DC Operating Range (VDC) 10 to 18.5 10 to 18 10 to 18 10 to 18 10 to 18
Input Current (average amps) 0.23 0.3 0.9 0.5 1.4
Random Set Times (seconds) <2 <4 <2 <4 <2
Recurrent Set Times(millisec) <10 <10 <10 <10 <10
Non-Volatile Memory Addresses 170 170 170 170 170
Total combinations using all elements 1/8 million half million half million four million half million
Antenna Length operating higher than 3.3 MHz 40 feet min. 8 feet min. 8 feet min. 8 feet min. 50 feet min.
Antenna Length operating from the lowest
frequency to 3.3 MHz
100 feet min. 28 feet min. 23 feet min. 23 feet min. 315 feet min.
Elements configuration Pi & L Pi & L Pi & L Pi & L Pi & L
Input Capacitance minimum 50pf 50pf 100pf 50pf 100pf
Input Capacitance maximum 3150pf 6400pf 6400pf 6400pf 6400pf
Inductance minimum 0.25µH 0.125µH 0.25µH 0.125µH 0.125µH
Inductance maximum 15.875µH 32µH 64µH 64µH 32µH
Output Capacitance minimum 50pf 12.5pf 25pf 12.5pf 12.5pf
Output Capacitance maximum 740pf 200pf 800pf 400pf 400pf
Installation Any position Any position Any position Any position Any position
Operating Temperature (Celsius) -35C to +70C -35C to +70C -35C to +70C -35C to +70C -35C to +70C
Environmental None Waterproof at
immersion of
two feet, half
hour
Waterproof at
immersion of two
feet, half hour
Waterproof at
immersion of
two feet, half
hour
Waterproof at
immersion of two
feet, half hour
6Dx7Wx1.5H
(5.5x6x1.7 PCB
Only)
40.6Dx 29.2Dx 40.6Dx
30.5Wx7.6H 24.1Wx4.32H 30.5Wx7.6H
Weight (pounds) 2 lbs. <2 8 3.8 8
Weight (kilos) .75 kg <0.75 3.5 1.6 3.5
Plastic ABS Plastic ABS Plastic ABS Plastic ABS
Waterproof Waterproof case Waterproof case Waterproof case
metal base metal base
Cable(s) (NOTE: All couplers require RF and 12
volt lines only. SGC cables are required for
additional features only.)
Terminals SGC cable, 9
feet coaxial and
two power wire
input, and RMT
tune and
SmartLock wire.
SGC cable, 9 feet
coaxial and two
power wire input,
and RMT tune
and SmartLock
wire
10 feet RG-58
power cable, 10
feet RG-58 coax
cable with
PL259
connectors
SGC cable, 9 feet
coaxial and two
power wire input,
and RMT tune
and SmartLock
wire.
Case Construction Aluminum
Case
16Dx12Wx3H
Size Overall (centimeters) 19Dx15Wx5H 22.9Dx17.8Wx3
.8H
Size Overall (inches) 7.5Dx6Wx1.85
H
16Dx12Wx3H 11.5Dx9.5Wx1.7
H