JRC JHS-32B Instruction Manual: Channel Assignment Tables

Marine vhf radiotelephone.
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G CH70 Watchkeeping Receiver
Receiving frequency
Reception mode
Frequency accuracy
Antenna impedance
Reception method
1st IF
2nd IF
Local oscillation frequency
Local oscillation method
Sensitivity
Selectivity
Spurious response
Blocking
Intermodulation
De emphasis characteristics
Radiation
8.2

Channel Assignment Tables

(1) ITU Channels
• Channel 70 is available only for DSC. Voice transmissions are prohibited. Transmission power is fixed
TIP
at 25W.
• Channel 75 is the guardband for channel 16. Transmission on this channel is prohibited.
• Channel 76 is available only for NBDP. Voice transmission is prohibited.
CH
TX(MHz) RX(MHz)
01
156.050
160.650
02
156.100
160.700
03
156.150
160.750
04
156.200
160.800
05
156.250
160.850
06
156.300
156.300
07
156.350
160.950
08
156.400
156.400
09
156.450
156.450
10
156.500
156.500
11
156.550
156.550
12
156.600
156.600
13
156.650
156.650
14
156.700
156.700
15
156.750
156.750
16
156.800
156.800
17
156.850
156.850
18
156.900
161.500
19
156.950
161.550
156.525MHz (CH70)
G2B (F2B)
Within ±10 X 10
-6
50Ω unbalanced
Double superheterodyne
58.1MHz
455kHz
Receiving frequency +58.1MHz
Frequency synthesizer
Symbol error rate of 1% or better at 1µV
6dB bandwidth: 12kHz or more
70dB selectivity: 25kHz or less
Symbol error rate of 1% or better at awanted signal level of 3dBµ
and an unwanted signal level of 73dBµ.
Symbol error rate of 1% or better at a wanted signal level of 3dBµ
and an unwanted signal level of 73dBµ.
Symbol error rate of 1% or better at a wanted signal level of 3dBµ
and an unwanted signal level of 68dBµ.
6dB/oct, +1dB, –3dB
4000µµW or less
CH
TX(MHz) RX(MHz)
20
157.000
161.600
21
157.050
161.650
22
157.100
161.700
23
157.150
161.750
24
157.200
161.800
25
157.250
161.850
26
157.300
161.900
27
157.350
161.950
28
157.400
162.000
60
156.025
160.625
61
156.075
160.675
62
156.125
160.725
63
156.175
160.775
64
156.225
160.825
65
156.275
160.875
66
156.325
160.925
67
156.375
156.375
68
156.425
156.425
69
156.475
156.475
8.1 Main Unit (JHS-32B) / 8.2 Channel Assignment Tables
CH
TX(MHz) RX(MHz)
70* 156.525
156.525
71
156.575
156.575
72
156.625
156.625
73
156.675
156.675
74
156.725
156.725
75*
76* 156.825
156.825
77
156.875
156.875
78
156.925
161.525
79
156.975
161.575
80
157.025
161.625
81
157.075
161.675
82
157.125
161.725
83
157.175
161.775
84
157.225
161.825
85
157.275
161.875
86
157.325
161.925
87
157.375
161.975
88
157.425
162.025
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