Standard Horizon GX1250S owner manual Specifications, General, Transmitter, Receiver

7 SPECIFICATIONS

Performance specifications are nominal, unless otherwise indicated, and

are subject to change without notice.

7.1 GENERAL
Frequency Range	156.050 to 163.275 MHz
Channels	65 total: 55 marine + 10 weather
Input Voltage	13.8 VDC ± 20 %
Current Drain:
Standby	0.5 A
Receive	1.5 A
Transmit	6 A (Hi); 1.7 A (Lo)
Physical Characteristics	2.52” H x 5.91” W x 5.28” D
	(64 mm x 150 mm x 134 mm)
	1.68 Ib. (0.76 Kg)
FCC Type Acceptance Number	APV0493
DOC Type Approval Number	363822161LVCA

7.2 TRANSMITTER
RF Output	25 W (Hi); 1W (Lo)
Conducted Spurious Emissions	65 dB (Hi); 50 dB (Lo)
FM Hum and Noise	40 dB min.
Audio Response	within +2/-8 of 6 dB/octave pre-emphasis
Audio Distortion	5 %
Modulation	16F3
Frequency Stability (-20° to +50°C)	± 0.0005 %

7.3 RECEIVER

Sensitivity:			∝V
20 dB Quieting		0.4
12 dB SINAD		0.35	∝V
Squelch Sensitivity (Threshold)		0.2	∝V
Bandwidth
Acceptable Radio Frequency Displacement		± 4.5 kHz
Selectivity:
Spurious and Image Rejection		70 dB
Intermodulation and Rejection at 12 dB SINAD Sensitivity		................65 dB
Audio Output 5% Distortion		4 W
Audio Response	within +2/-8 of a 6 dB/octave
de-emphasis characteristic at 300 to 3000			Hz
Frequency Stability (-20° to +50°C)		± 0.001 %
Channel Spacing		25 kHz

GX1250S Owner's Manual Page 17