HF DIGITAL SELECTIVE CALLING
Portsmouth/NMN, Boston/NMF, Miami/NMA, New Orleans/NMG, Pt. Reyes/NMC, Honolulu HI/NMO, Kodiak AK/NOJ |
|||
| 4207.5 | DSC test calls on 4207.5 kHz will be automatically acknowledged from any of the US Coast Guard Communication Stations listed below EXCEPT USCG SECTOR Guam. | ||
| 6312 | |||
| 8414.5 | |||
| 12577 | |||
| 16804.5 | |||
Note: For digital selective calling, frequencies listed are assigned. Carrier frequency is located 1700Hz below the assigned frequency.
| Station | MARITIME MOBILE SERVICE IDENTITY |
|---|---|
| Universal US Coast Guard shore-based identity | 003669999 |
| USCG Communications Command, Chesapeake VA/NMN | 003669995 |
| USCG Communications Command, remotely keying transmitters at Boston/NMF | 003669991 |
| USCG Communications Command, remotely keying transmitters at Miami/NMA | 003669997 |
| USCG Communications Command, remotely keying transmitters at New Orleans/NMG | 003669998 |
| USCG Communications Command, remotely keying transmitters at Pt. Reyes CA/NMC | 003669990 |
| USCG Communications Command, remotely keying transmitters at Honolulu HI/NMO | 003669993 |
| USCG Communications Command, remotely keying transmitters at Kodiak AK/NOJ | 003669899 |
| USCG Sector Guam/NRV | 003669994 |
HF RADIOTELEPHONE (SINGLE SIDEBAND) – DISTRESS AND INITIAL CONTACT
Authorized for the handling of Distress message traffic and initial contact with United States Coast Guard Long Range Communication facilities.
| KHz SHIP STATION | KHz COAST STATION | Station and Schedule (UTC) | ||
|---|---|---|---|---|
| NRV (Guam) | NOJ (Kodiak AK) | |||
| 4125 | 4125 | - | 24 HRS | |
| 6215 | 6215 | 0900-2100Z | 24 HRS | |
| 8291 | 8291 | - | 24 HRS | |
| 12290 | 12290 | 2100-0900Z | - | |
Note: 12290 KHz are available under NOJ upon request
HF RADIOTELEPHONE (SINGLE SIDEBAND) - WORKING CHANNELS
These channels are available at all Coast Guard Long Range Communication Facilities for traffic handling purposes after initial contact is established on the HF Radiotelephone (Single Sideband) - Distress and Initial Contact frequencies. These coast station frequencies are also used for scheduled broadcasts of marine weather forecasts.
| ITU CHANNEL | KHz SHIP STATION | KHz COAST STATION |
|---|---|---|
|
424 |
4134 |
4426 |
|
601 |
6200 |
6501 |
|
816 |
8240 |
8764 |
|
1205 |
12242 |
13089 |
|
1625 |
16432 |
17314 |
Contact U.S. Coast Guard Communications Command (COMMCOM) here. USCG COMMCOM is responsible for HF and MF communications services to mariners.
OTHER DISTRESS RESOURCES
Amateur radio Maritime Mobile Service Network on 14,300 kHz. ITU and FCC regulations
allow a mariner in distress to use any means possible to attract attention to obtain help, including
amateur radio frequencies.
U.S. Coast Guard Rescue Coordination Centers emergency telephone numbers. 24 hour
Regional Contacts for Emergencies. Use this if you have access to cell or satellite telephone.
DISCONTINUED SERVICES
HF RADIOTELEX (SITOR OR NARROW BAND DIRECT PRINTING)
Effective 31 March 2012, the Coast Guard discontinued ALL ship/Shore/Ship SITOR services except for marine information broadcasts.
HF SINGLE SIDEBAND VOICE
Effective 7 February 2022, the U.S. Coast Guard ceased monitoring all High Frequency (HF)
shortwave voice distress frequencies within the contiguous United States and Hawaii except
for marine information broadcasts.
This information and schedule is/was effective May 2023.