{ "channels": [ { "assignment_id": "us_marine_vhf_ch01a", "bandwidth_khz": 25.0, "channel_number": 1, "color_code": null, "contact_id": null, "display_name": "Ch 01A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Port operations and commercial traffic; available only in the New Orleans / Lower Mississippi area (USCG note a).", "power_w": null, "reference": "us_marine_vhf_ch01a", "rx_frequency_mhz": 156.05, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch05a", "bandwidth_khz": 25.0, "channel_number": 2, "color_code": null, "contact_id": null, "display_name": "Ch 05A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "VTS / port operations channel used in Houston, New Orleans, and Seattle areas (USCG note a).", "power_w": null, "reference": "us_marine_vhf_ch05a", "rx_frequency_mhz": 156.25, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch06", "bandwidth_khz": 25.0, "channel_number": 3, "color_code": null, "contact_id": null, "display_name": "Ch 06", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Designated for intership safety communications.", "power_w": null, "reference": "us_marine_vhf_ch06", "rx_frequency_mhz": 156.3, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch07a", "bandwidth_khz": 25.0, "channel_number": 4, "color_code": null, "contact_id": null, "display_name": "Ch 07A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Commercial traffic; supports VHF Digital Small Message Service (VDSMS).", "power_w": null, "reference": "us_marine_vhf_ch07a", "rx_frequency_mhz": 156.35, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch08", "bandwidth_khz": 25.0, "channel_number": 5, "color_code": null, "contact_id": null, "display_name": "Ch 08", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Commercial intership traffic only; VDSMS capable.", "power_w": null, "reference": "us_marine_vhf_ch08", "rx_frequency_mhz": 156.4, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch09", "bandwidth_khz": 25.0, "channel_number": 6, "color_code": null, "contact_id": null, "display_name": "Ch 09", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Primary boater calling channel for commercial and non-commercial use (VDSMS capable).", "power_w": null, "reference": "us_marine_vhf_ch09", "rx_frequency_mhz": 156.45, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch10", "bandwidth_khz": 25.0, "channel_number": 7, "color_code": null, "contact_id": null, "display_name": "Ch 10", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Commercial working channel (VDSMS capable).", "power_w": null, "reference": "us_marine_vhf_ch10", "rx_frequency_mhz": 156.5, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch11", "bandwidth_khz": 25.0, "channel_number": 8, "color_code": null, "contact_id": null, "display_name": "Ch 11", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Commercial working channel and VTS in selected areas (VDSMS capable).", "power_w": null, "reference": "us_marine_vhf_ch11", "rx_frequency_mhz": 156.55, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch12", "bandwidth_khz": 25.0, "channel_number": 9, "color_code": null, "contact_id": null, "display_name": "Ch 12", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Port operations; Vessel Traffic Service (VTS) in selected areas.", "power_w": null, "reference": "us_marine_vhf_ch12", "rx_frequency_mhz": 156.6, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch13", "bandwidth_khz": 25.0, "channel_number": 10, "color_code": null, "contact_id": null, "display_name": "Ch 13", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Bridge-to-bridge navigation safety; vessels >20 m must maintain a listening watch in U.S. waters.", "power_w": null, "reference": "us_marine_vhf_ch13", "rx_frequency_mhz": 156.65, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch14", "bandwidth_khz": 25.0, "channel_number": 11, "color_code": null, "contact_id": null, "display_name": "Ch 14", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Port operations; Vessel Traffic Service (VTS) in selected areas.", "power_w": null, "reference": "us_marine_vhf_ch14", "rx_frequency_mhz": 156.7, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch15", "bandwidth_khz": 25.0, "channel_number": 12, "color_code": null, "contact_id": null, "display_name": "Ch 15", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Environmental receive-only channel (Class C EPIRB).", "power_w": null, "reference": "us_marine_vhf_ch15", "rx_frequency_mhz": 156.75, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch16", "bandwidth_khz": 25.0, "channel_number": 13, "color_code": null, "contact_id": null, "display_name": "Ch 16 Dist", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "International distress, safety, and calling channel. Maintain a continuous guard as required.", "power_w": null, "reference": "us_marine_vhf_ch16", "rx_frequency_mhz": 156.8, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch17", "bandwidth_khz": 25.0, "channel_number": 14, "color_code": null, "contact_id": null, "display_name": "Ch 17", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "State and local government maritime control channel.", "power_w": null, "reference": "us_marine_vhf_ch17", "rx_frequency_mhz": 156.85, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch18a", "bandwidth_khz": 25.0, "channel_number": 15, "color_code": null, "contact_id": null, "display_name": "Ch 18A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Commercial working channel (VDSMS capable).", "power_w": null, "reference": "us_marine_vhf_ch18a", "rx_frequency_mhz": 156.9, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch19a", "bandwidth_khz": 25.0, "channel_number": 16, "color_code": null, "contact_id": null, "display_name": "Ch 19A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Commercial working channel (VDSMS capable).", "power_w": null, "reference": "us_marine_vhf_ch19a", "rx_frequency_mhz": 156.95, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch20", "bandwidth_khz": 25.0, "channel_number": 17, "color_code": null, "contact_id": null, "display_name": "Ch 20", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Port operations duplex channel.", "power_w": null, "reference": "us_marine_vhf_ch20", "rx_frequency_mhz": 161.6, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": 157.0, "tx_permitted": true }, { "assignment_id": "us_marine_vhf_ch20a", "bandwidth_khz": 25.0, "channel_number": 18, "color_code": null, "contact_id": null, "display_name": "Ch 20A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Simplex variant of channel 20 for port operations.", "power_w": null, "reference": "us_marine_vhf_ch20a", "rx_frequency_mhz": 157.0, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch21a", "bandwidth_khz": 25.0, "channel_number": 19, "color_code": null, "contact_id": null, "display_name": "Ch 21A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "U.S. Coast Guard only.", "power_w": null, "reference": "us_marine_vhf_ch21a", "rx_frequency_mhz": 157.05, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch22a", "bandwidth_khz": 25.0, "channel_number": 20, "color_code": null, "contact_id": null, "display_name": "Ch 22A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "USCG liaison and maritime safety information broadcasts (announced on Ch 16).", "power_w": null, "reference": "us_marine_vhf_ch22a", "rx_frequency_mhz": 157.1, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch23a", "bandwidth_khz": 25.0, "channel_number": 21, "color_code": null, "contact_id": null, "display_name": "Ch 23A", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "U.S. Coast Guard only.", "power_w": null, "reference": "us_marine_vhf_ch23a", "rx_frequency_mhz": 157.15, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": null, "tx_permitted": false }, { "assignment_id": "us_marine_vhf_ch24", "bandwidth_khz": 25.0, "channel_number": 22, "color_code": null, "contact_id": null, "display_name": "Ch 24", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Marine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).", "power_w": null, "reference": "us_marine_vhf_ch24", "rx_frequency_mhz": 161.8, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": 157.2, "tx_permitted": true }, { "assignment_id": "us_marine_vhf_ch25", "bandwidth_khz": 25.0, "channel_number": 23, "color_code": null, "contact_id": null, "display_name": "Ch 25", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Marine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).", "power_w": null, "reference": "us_marine_vhf_ch25", "rx_frequency_mhz": 161.85, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": 157.25, "tx_permitted": true }, { "assignment_id": "us_marine_vhf_ch26", "bandwidth_khz": 25.0, "channel_number": 24, "color_code": null, "contact_id": null, "display_name": "Ch 26", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Marine operator public correspondence channel; VDSMS capable. Cannot be used after 1 Jan 2030 (USCG note b).", "power_w": null, "reference": "us_marine_vhf_ch26", "rx_frequency_mhz": 161.9, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": 157.3, "tx_permitted": true }, { "assignment_id": "us_marine_vhf_ch27", "bandwidth_khz": 25.0, "channel_number": 25, "color_code": null, "contact_id": null, "display_name": "Ch 27", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Marine operator public correspondence channel; duplex variant pending reassignment to channel 1027 per ITU WRC-19.", "power_w": null, "reference": "us_marine_vhf_ch27", "rx_frequency_mhz": 161.95, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": 157.35, "tx_permitted": true }, { "assignment_id": "us_marine_vhf_ch28", "bandwidth_khz": 25.0, "channel_number": 26, "color_code": null, "contact_id": null, "display_name": "Ch 28", "dmr_id": null, "dmr_id_key": null, "extensions": {}, "mode": "FM", "notes": "Marine operator public correspondence channel; duplex variant pending reassignment to channel 1028 per ITU WRC-19.", "power_w": null, "reference": "us_marine_vhf_ch28", "rx_frequency_mhz": 162.0, "rx_group_id": null, "scan_list_id": null, "service": "marine", "timeslot": null, "timeslots": [], "tones": { "ctcss_rx_hz": null, "ctcss_tx_hz": null, "dcs_rx_code": null, "dcs_tx_code": null }, "tx_frequency_mhz": 157.4, "tx_permitted": true } ], "contacts": [], "extensions": {}, "radio_id": "baofeng_uv5r_mini", "radio_instance": null, "radio_instance_id": "example_uv5r_mini_marine_01", "rx_groups": [], "scan_lists": [], "zones": [ { "channel_references": [ "us_marine_vhf_ch01a", "us_marine_vhf_ch05a", "us_marine_vhf_ch06", "us_marine_vhf_ch07a", "us_marine_vhf_ch08", "us_marine_vhf_ch09", "us_marine_vhf_ch10", "us_marine_vhf_ch11", "us_marine_vhf_ch12", "us_marine_vhf_ch13", "us_marine_vhf_ch14", "us_marine_vhf_ch15", "us_marine_vhf_ch16", "us_marine_vhf_ch17", "us_marine_vhf_ch18a", "us_marine_vhf_ch19a", "us_marine_vhf_ch20", "us_marine_vhf_ch20a", "us_marine_vhf_ch21a", "us_marine_vhf_ch22a", "us_marine_vhf_ch23a", "us_marine_vhf_ch24", "us_marine_vhf_ch25", "us_marine_vhf_ch26", "us_marine_vhf_ch27", "us_marine_vhf_ch28" ], "id": "marine_a", "name": "Marine A" } ] }