船の信号と通信 - Kobe University

1 -1- -2- 7 n 8-3.

2 = International Maritime Signal Flags A Z -4-7 n 8 Day Signal Light NBDP VHF 150 MHz FM Inmar-sat.

3 -5- F Fl Oc Iso Al Q Fl( ) Q( ) FFl FFl( ) LFl Mo( ) (s) . International Code of Signal -6-7 n 8 Yes

4 No -7- .. AM, Amplitude Modulation FM, Frequency Modulation PM, Phase Modulation c[m/s] f[Hz] [m]c 3 108[m/s] 300 [m] f[MHz]

5 -8- 3 30 kHz 100,000 10,000m 30 300 kHz 10,000 1,000m 300 3000kHz 1,000 100m 3 30 MHz 100 10m 30 300 MHz 10 1m 300 3000 MHz 1m 10cm 3 30 GHz 10 1cm 30 300 GHz 1cm 1mm 300 3000 GHz 1mm 3000 GHz 3000 109 3 1012 3,000,000 106Hz 3 THz 300 AM FM TVTV VLFLFMFHFVHFUHFSHFEHF k = 103 M = 106 G = 109 9 14kHz(N0N) 14 160kHz(A1A) 84 86kHz(N0N) 90 110kHz(P0N) 500kHz(A1A) 518kHz(F1B) NAVTEX 285 325kHz DGPS (A3E) 2182kHz(J3E) (F1B) 2850 28000kHz(A3E/J3E/F1B) 5900 26100kHz(A3E) 76 90 MHz(F8E) FM 90 108 MHz(C3F/F3E) VHF 1 3ch 108 142 MHz(A3E ) 142 156 MHz(F3E ) 156 (F3E ) VHF (F3E) 16ch (J2B) 70ch 170 222 MHz(C3F/F3E) VHF 4 12ch 470 770 MHz(C3F/F3E)

6 UHF 13 62ch 832 958 MHz TDMA/CDMA (800M) 1429 1525 MHz ( ) 7 n 8-9- . MF HF VHF UHF HF VHF UHF GPS 1525 1544 MHz(F3E) (F3E) COSPAS / SARSAT 1559 1610 MHz (GPS L1 ) 2700 3100 MHz(P0N) 600KW 9300 9500 MHz(P0N) 75KW 248 250 GHz 248 GHz 2400 2500 MHz LAN 1215 1260 MHz (GPS L2 )

7 -10-7 n 8 .. MF HF VHF Distress VHF . 52 -11.

8 74 . GMDSS ( ) GMDSS -12-7 n 8 VHF

9 VHF156 MHz F3E FM 16ch = MF HF 2 MHz 4 MHz 6 MHz 8 MHz 12 MHz 16 MHz A3E AM J3E SSB F1B 27 MHz 27 MHz A3E DSB 108 MHz A3E AM 450 MHz F3E FM ( ) ( )F3E FM GMDSS GMDSS DSC (NBDP) KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz KHz DSC DSC Distress VHF MF/HF -13- J3E 2182kHz(MHF SSB) F3E ( VHF 16ch)

10 75 73 1 77 ( ) ( ) ( ) ( ) MAYDAY, MAYDAY, MAYDAY, this is Ogimaru, Ogimaru, , Ogimaru. My position is 10 degrees 20minutes NORTH, 120 degrees 40minutes EAST at 2130 hours UTC. I have been in collosion with an unknown am on fire and have dangerous cargo on board.