| Frequency/Range | User | Mode | Remarks |
|---|
| 4000 - 4063 | SHIP | USB | INTERSHIP SIMPLEX / CROSS BAND WITH 8 MHZ DUPLEX WITH COAST ON 4438 - 4650 / SUPPL. FOR DUPLEX ON USB CH. 401-429 |
| 4063.3 - 4064.8 | SHIP | DATA | 6 SHIP OR BUOY CHANNELS (0.3 KHZ) FOR OCEANOGRAPHIC DATA TRANSMISSIONS |
| 4065 - 4143 | SHIP | USB | SHIP CH. 401 - 427 DUPLEX WITH COAST STATIONS ON 4357 - 4435 |
| 4125 | BOTH | USB | CHANNEL 421 - SIMPLEX. SUPPLEMENTS 2182 FOR DISTRESS AND SAFETY |
| 4146 | BOTH | USB | SIMPLEX AND CROSSBAND FREQ. WX & NAV WARNING FREQ. MAY BE USED WITH CH. 428/429 (4351/4354) FOR DUPLEX |
| 4149 | BOTH | USB | SIMPLEX AND CROSSBAND FREQ. WX & NAV WARNING FREQ. MAY BE USED WITH CH. 428/429 (4351/4354) FOR DUPLEX |
| 4154 - 4170 | SHIP | MISC | 5 CHANNELS SPACED 4 KHZ APART FOR FAX, DATA AND OTHER SPECIAL TRANSMISSIONS |
| 4172.5 - 4181.5 | SHIP | SITOR-A | 4 MHZ SHIP RTTY BAND - PAIRED WITH COAST STATIONS OPERATING ON 4210.5 - 4219. MAY ALSO BE USED FOR CW WORKING. |
| 4177.5 | BOTH | RTTY | SIMPLEX (CH. 411) DISTRESS/SAFETY TFC ONLY |
| 4182 - 4186.5 | SHIP | CW | 10 CALLING CHANNELS .5 KHZ APART |
| 4187 - 4202 | SHIP | CW | SHIP CW WORKING CHANNELS - .5 KHZ APART |
| 4202.5 - 4207 | SHIP | SITOR/CW | 10 NON-PAIRED SITOR-A TRANSMITTING CHANNELS SPACED .5 KHZ APART. ALSO USED FOR SHIP CW WORKING FREQS |
| 4207.5 - 4209 | SHIP | DSC | 4 SHIP CHANNELS .5 KHZ APART FOR DIGITAL SELECTIVE CALLING (DSC). 4207.5 MAY BE USED BY COAST FOR DISTRESS/SAFETY |
| 4209.5 | COAST | SITOR-B | NAVTEX BROADCASTS |
| 4210 | COAST | SITOR-B | MARINE SAFETY INFO BROADCASTS |
| 4210.5 - 4219 | COAST | SITOR-A | 4 MHZ COAST RTTY BAND - .5 KHZ APART |
| 4219.5 - 4220.5 | COAST | DSC | 3 COAST STATION DIGITAL SELECTIVE CLG CHAN'S |
| 4221 - 4351 | COAST | CW | MARITIME CW COAST STATIONS |
| 4351 - 4354 | COAST | USB | CH. 428 & 429 - PAIRED WITH 4146 AND 4149 |
| 4357 - 4435 | COAST | USB | COAST STATION USB DUPLEX BAND |
| 6200 - 6525 | SHIP | USB | 6 MHZ SHIP USB BAND - 8 CHANNELS PAIRED WITH COAST STATIONS ON 6501 - 6522 |
| 6210.4 | COAST | USB | LIMITED COASTAL STATIONS - SIMPLEX |
| 6212.4 | BOTH | USB | WGK ST. LOUIS, INLAND WATERWAY SIMPLEX |
| 6213.5 | BOTH | USB | LIMITED COASTAL STATIONS |
| 6215 | SHIP | USB | CHANNEL 606 - CALLING/SAFETY/DISTRESS |
| 6224 - 6230 | BOTH | USB | SIMPLEX LIMITED COASTAL STATIONS |
| 6235 - 6259 | SHP | VARIOUS | 7 SHIP CHANNELS, 4 KHZ WIDE, FOR FAX, DATA AND OTHER SPECIAL TRANSMISSIONS |
| 6261.3 - 6262.5 | SHIP | DATA | 5 CHANNELS, SPACED .3 KHZ APART, FOR SHIP OR BUOY DATA TRANSMISSIONS |
| 6263 - 6275.5 | SHIP | SITOR-A | 6 MHZ SHIP RTTY BAND |
| 6268 | BOTH | RTTY | SIMPLEX (CH. 611) FOR SAFETY/DISTRESS ONLY |
| 6277 - 6280.5 | SHIP | CW | CW CALLING CHANNELS (10, .5 KHZ APART) |
| 6281 - 6284.5 | SHIP | RTTY/CW | 8 SITOR-A CHANNELS PAIRED WITH 6327 - 6330.5 ALSO USED FOR CW WORKING FREQS |
| 6285 - 6300 | SHIP | CW | SHIP CW WORKING CHANNELS (.5 KHZ APART) |
| 6300.5 - 6311.5 | SHIP | SITOR-A | 23 NON-PAIRED SHIP TRANSMIT CHANNELS MAY ALSO BE USED FOR CW |
| 6312 - 6313.5 | SHIP | DSC | 4 CHANNELS (.5 KHZ) FOR DSC 6312.0 MAY ALSO BE USED BY COAST STATIONS FOR DISTRESS/SAFETY ONLY |
| 6314 | COAST | SITOR-B | INTERNATIONAL MSI BROADCASTS |
| 6314.5 - 6330.5 | COAST | SITOR-A | 6 MHZ COAST RTTY BAND |
| 6331 - 6332 | COAST | DSC | 3 CHANNELS (.5 KHZ) FOR DSC |
| 6332.5 - 6501 | COAST | CW | 6 MHZ COAST CW BAND |
| 6501 - 6522 | COAST | USB | 6 MHZ COAST USB BAND |
| 8195 - 8288 | SHIP | USB | 8 MHZ SHIP USB BAND PAIRED WITH 8719 - 8812 KHZ |
| 8281.2 | BOTH | USB | LIMITED COASTAL STATIONS - SIMPLEX |
| 8284.4 | BOTH | USB | LIMITED COASTAL STATIONS - SIMPLEX |
| 8291 - 8297 | BOTH | USB | LIMITED COASTAL STATIONS - SIMPLEX |
| 8302 - 8338 | SHIP | VARIOUS | 10 SHIP CHANNELS (4 KHZ) FOR FAX, DATA, AND OTHER SPECIAL TRANSMISSIONS |
| 8340.3 - 8341.5 | SHIP | DATA | 5 SHIP/BUOY CHANNELS FOR DATA TRANSMISSIONS |
| 8342 - 8365.5 | SHIP | CW | SHIP CW WORKING FREQS |
| 8366 - 8370.5 | SHIP | CW | SHIP CALLING FREQS |
| 8371 - 9376 | SHIP | CW | SHIP CW WORKING FREQS |
| 8376.5 | BOTH | RTTY | CH. 801 FOR DISTRESS/SAFETY ONLY (SIMPLEX) |
| 8377 - 8396 | SHIP | SITOR-A | 8 MHZ SHIP RTTY BAND |
| 8396.5 - 8414 | SHIP | SITOR-A | 4 SHIP SITOR-A TRANSMITTING CHANNELS MAY ALSO BE USED FOR CW |
| 8414.5 - 8416 | SHIP | DSC | SHIP DSC - 8414.5 MAY ALSO BE USED BY COAST STATIONS FOR DISTRESS/SAFETY ONLY |
| 8416.5 | COAST | SITOR-B | INTERNATIONAL MSI BROADCASTS |
| 8417 - 8436 | COAST | SITOR-A | 8 MHZ COAST RTTY BAND |
| 8436.5 - 8437.5 | COAST | DSC | COAST DSC |
| 8438 - 8707 | COAST | CW | 8 MHZ COAST CW BAND |
| 8707 - 8716 | BOTH | USB | SIMPLEX OR DUPLEX (CH. 834 - 837) IF DUPLEX, USES 8812 |
| 8719 - 8812 | COAST | USB | 8 MHZ COAST USB BAND |
| 12230 - 12350 | SHIP | USB | 12 MHZ SHIP USB FREQS |
| 12290 | SHIP | USB | CALLING/DISTRESS/SAFETY (CH. 1221) |
| 12353 - 12365 | BOTH | USB | 5 SIMPLEX CHANNELS - ALSO USED FOR CROSSBAND |
| 12370 - 12418 | SHIP | VARIOUS | 13 CHANNELS (4 KHZ) FOR FAX, DATA, SPECIAL) |
| 12420.3 - 12421.5 | SHIP | DATA | 5 SHIP/BUOY CHANNELS FOR DATA TRANSMISSIONS |
| 12421 | BOTH | USB | LIMITED COASTAL (SIMPLEX) |
| 12422 - 12476.5 | SHIP | CW | SHIP CW WORKING FREQS |
| 12477 - 12549.5 | SHIP | SITOR-A | 12 MHZ SHIP RTTY BAND |
| 12520 | BOTH | RTTY | SIMPLEX - DISTRESS/SAFETY ONLY |
| 12550 - 12554.5 | SHIP | CW | 10 SHIP CW CALLING CHANNELS |
| 12555 - 12559.5 | SHIP | SITOR-A | DUPLEX WITH 12652 - 12656.6. ALSO CW |
| 12560 - 12576.5 | SHIP | SITOR-A | 34 NON-PAIRED SHIP SITOR TRANSMITTING CHANNELS. ALSO AVAILABLE FOR CW WORKING |
| 12577 - 12578.5 | SHIP | DSC | 4 SHIP DSC CHANNELS. 12577 ALSO MAY BE USED BY COAST STATIONS FOR DISTRESS/SAFETY ONLY |
| 12579 | COAST | SITOR-B | INTERNATIONAL MSI BROADCASTS |
| 12579.5 - 12656.5 | COAST | SITOR-A | 12 MHZ COAST RTTY BAND |
| 12657 -- 12658 | COAST | DSC | 3 COAST DSC CHANNELS |
| 12658.5 - 13077 | COAST | CW | 12 MHZ COAST CW BAND |
| 13077 - 13197 | COAST | USB | 12/13 MHZ COAST USB BAND |
| 16360 - 16525 | SHIP | USB | 16 MHZ SHIP USB DUPLEX BAND |
| 16420 | SHIP | USB | SHIP CALLING/DISTRESS/SAFETY (CH. 1621) |
| 16528 - 16546 | BOTH | USB | 7 SIMPLEX CHANNELS. ALSO CROSS BAND. |
| 16551 - 16615 | SHIP | VARIOUS | 17 CHANNELS (4 KHZ) FOR FAX, DATA, ETC. |
| 16565 - 16592 | BOTH | USB | SIMPLEX - LIMITED COASTAL STATIONS |
| 16617.3 - 16618.5 | SHIP | DATA | 5 SHIP/BUOY CHANNELS FOR DATA |
| 16619 - 16683 | SHIP | CW | 16 MHZ SHIP CW WORKING FREQS |
| 16683.5 - 16733.5 | SHIP | SITOR-A | 16 MHZ SHIP RTTY FREQS |
| 16695 | BOTH | RTTY | SIMPLEX FOR DISTRESS/SAFETY |
| 16734 - 16738.5 | SHIP | CW | SHIP CW CALLING FREQS |
| 16739 - 16784.5 | SHIP | SITOR-A | ADDITIONAL SHIP SITOR-A DUPLEX WORKING FREQS ALSO AVAILABLE FOR SHIP CW WORKING |
| 16785 - 16804 | SHIP | SITOR-A | 39 NON-PAIRED SHIP CHANNELS ALSO AVAILABLE FOR CW WORKING |
| 16804.5 - 16806 | SHIP | DSC | SHIP DSC CHANNELS. 16804.5 ALSO AVAILABLE FOR COAST STATIONS FOR DISTRESS/SAFETY ONLY |
| 16806.5 | COAST | SITOR-B | INTERNATIONAL MSI BROADCASTS |
| 16807 - 16902.5 | COAST | SITOR-A | 16 MHZ COAST RTTY BAND |
| 16903 - 16904 | COAST | DSC | 3 COAST DSC CHANNELS |
| 16904.5 - 17242 | COAST | CW | 16/17 MHZ COAST CW BAND |
| 17242 - 17407 | COAST | USB | 16/17 MHZ COAST USB BAND |
| 18780 - 18822 | SHIP | USB | 15 SHIP USB CHANNELS PAIRED WITH 19755 - 19797 |
| 18825 - 18843 | SHIP | USB | 7 SIMPLEX/CROSS-BAND CHANNELS |
| 18848 - 18868 | SHIP | VARIOUS | 6 CHANNELS (4 KHZ) FOR FAX, DATA, ETC. |
| 18870.5 - 18892.5 | SHIP | SITOR-A | SHIP RTTY BAND - DUPLEX WITH 19681 - 19703 |
| 18893 - 18898 | SHIP | SITOR-A | 11 NON-PAIRED SHIP TRANSMITTING CHANNELS |
| 18898.5 - 18899.5 | SHIP | DSC | 3 SHIP DSC CHANNELS |
| 19680.5 | COAST | SITOR-B | INTERNATIONAL MSI BROADCASTS |
| 19681 - 19703 | COAST | RTTY | COAST RTTY DUPLEX BAND PAIRED WITH 18870.5 - 18892.5 |
| 19703.5 - 19704.5 | COAST | DSC | 3 COAST DSC CHANNELS |
| 19705 - 19755 | COAST | CW | COAST CW STATIONS |
| 19755 - 19797 | COAST | USB | COAST USB DUPLEX, PAIRED WITH 18780 - 18822 |
| 22000 - 22156 | SHIP | USB | 22 MHZ SHIP USB FREQS |
| 22098 - 22136 | USB | BOTH | SIMPLEX LIMITED COASTAL STATIONS |
| 22159 - 22177 | BOTH | USB | 7 SIMPLEX/CROSS BAND FREQS |
| 22182 - 22238 | SHIP | VARIOUS | 15 CHANNELS FOR FAX, DATA, ETC. |
| 22240.3 - 22241.5 | SHIP | DATA | 5 SHIP/BUOY DATA FREQS |
| 22242 - 22279 | SHIP | CW | 22 MHZ SHIP CW WORKING FREQS |
| 22279.5 - 22284 | SHIP | CW | 22 MHZ SHIP CW CALLING FREQS |
| 22284.5 - 22351.5 | SHIP | SITOR-A | 22 MHZ SHIP DUPLEX RTTY FREQS |
| 22352 - 22374 | SHIP | SITOR-A | 45 NON-PAIRED SHIP SITOR-A CHANNELS MAY ALSO BE USED FOR CW WORKING |
| 22374.5 - 22375.5 | SHIP | DSC | 3 SHIP DSC CHANNELS |
| 22376.5 - 22443.5 | COAST | SITOR-A | 22 MHZ COAST RTTY FREQS (DUPLEX) |
| 22444 - 22445 | COAST | DSC | 3 COAST DSC CHANNELS |
| 22445.5 - 22696 | COAST | CW | 22 MHZ COAST CW BAND |
| 22696 - 22852 | COAST | USB | 22 MHZ COAST USB DUPLEX |
