
Operation Manual
S15
Page
43
12.2 CHANNEL 70 MONITOR GENERAL SPECIFICATION
1.Frequency CH70
(156.525MHz)
2.Sensitivity
≤
0dBµEMF for 20dB SINAD
3.Bandwidth 16KHz
4. First IF frequency used
17.9MHz
5. Second IF frequency used
455KHz
6. Adjacent Channel Selectivity
≥
70dB
7. Spurious response Rejection
≥
70dB
8. Inter-modulation Rejection
≥
65 dB
9. Mode of Reception
16K0G2B
10. Spurious Emission, Radiation
≤
2nW, 9KHz to 2GHz
12.3 TRANSMITTER
1.Type of emission
16K0F3E(Voice)
13K5G2B(DSC)
2.Frequency range
156.025-161.425MHz
3.Output power
25W, 1W into 50 Ohms
4. Audio Harmonic Distortion
≤
10%
5. Audio Frequency Re/-3dB
of
+6dB/octave
Pre-emphasis 300 – 3000Hz
6. Hum and Noise
≤
-40dB
7. Frequency Deviation
5KHz max peak
8. Spurious Emissions (Radiated)
≤
0.25µW
9. Current
≤
5 Amps (25W)
12.4 NAVTEX
1.Messages stored
60
2.Input data format NAVTEX data-serial ASCII at 9600 baud, 8-bits, no
parity, stop bit without handshake.
12.5 GPS
1.Input data format:
NMEA0183 version 2.0 sentences
RMC, GGA and GLL