Universal Licensing System
WNMK600
National Grid USA Service Company Inc.
License details
| ULS identifier | 1927603 |
|---|
| Call sign | WNMK600 |
|---|
| Radio service | YO |
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| Status | A |
|---|
| Grant date | 2024-11-09 |
|---|
| Expiration | 2035-01-25 |
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| Frequency range | 855.4125 - 860.3625 MHz (5 frequencies) |
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| Locations | 3 |
|---|
| Representative location | GLOUCESTER, ESSEX, MA |
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| Coordinates | 42.6245278, -70.6531111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB2 | 855.38750000 | | | 100.000000 | 700.000000 | |
| 1 | 1 | FB2 | 855.41250000 | | | 100.000000 | 700.000000 | |
| 3 | 1 | FB2 | 855.41250000 | | | 100.000000 | 700.000000 | |
| 1 | 1 | FB2 | 855.68750000 | | | 100.000000 | 700.000000 | |
| 3 | 1 | FB2 | 855.68750000 | | | 100.000000 | 700.000000 | |
| 2 | 1 | FB2 | 855.86250000 | | | 100.000000 | 700.000000 | |
| 1 | 1 | FB2 | 855.93750000 | | | 100.000000 | 700.000000 | |
| 3 | 1 | FB2 | 855.93750000 | | | 100.000000 | 700.000000 | |
| 2 | 1 | FB2 | 858.28750000 | | | 100.000000 | 700.000000 | |
| 2 | 1 | FB2 | 860.28750000 | | | 100.000000 | 700.000000 | |
| 1 | 1 | FB2 | 860.36250000 | | | 100.000000 | 700.000000 | |
| 3 | 1 | FB2 | 860.36250000 | | | 100.000000 | 700.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 855.38750000 | | 20K0F3E |
| 1 | 1 | 855.41250000 | | 20K0F3E |
| 3 | 1 | 855.41250000 | | 20K0F3E |
| 1 | 1 | 855.68750000 | | 20K0F3E |
| 3 | 1 | 855.68750000 | | 20K0F3E |
| 2 | 1 | 855.86250000 | | 20K0F3E |
| 1 | 1 | 855.93750000 | | 20K0F3E |
| 3 | 1 | 855.93750000 | | 20K0F3E |
| 2 | 1 | 858.28750000 | | 20K0F3E |
| 2 | 1 | 860.28750000 | | 20K0F3E |
| 1 | 1 | 860.36250000 | | 20K0F3E |
| 3 | 1 | 860.36250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 94 BLACKBURN CENTER, GLOUCESTER, ESSEX, MA | 42.62452778, -70.65311111 | 46.000 m | POLE | 57.000 m structure / 57.000 m overall | N |
| 2 | T | 24 FORT AVE, SALEM, ESSEX, MA | 42.52563889, -70.87700000 | 5.000 m | STACK | 132.000 m structure / 136.000 m overall | N |
| 3 | T | 170 MEDFORD ST, MALDEN, MIDDLESEX, MA | 42.41675000, -71.07255556 | 5.000 m | POLE | 30.000 m structure / 35.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 57.000 m | | | | 98.000 | |
| 1 | 2 | T | | 136.000 m | | | | 128.000 | |
| 1 | 3 | T | | 35.000 m | | | | 17.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1101 TURNPIKE ST, NORTH ANDOVER, MA | ESSEX | 5086839511 |
License history
| Date | File or call sign | Action |
|---|
| 2024-11-09 | WNMK600 | LIREN |
| 2024-11-04 | WNMK600 | LETRES |
| 2014-11-20 | WNMK600 | LIREN |
| 2014-11-18 | WNMK600 | ESUAPR |
| 2014-11-03 | WNMK600 | LETRES |
| 2009-01-22 | WNMK600 | LIAUA |
| 2009-01-22 | WNMK600 | LTSAPR |
| 2009-01-21 | WNMK600 | LIAUA |
| 2009-01-21 | WNMK600 | LTSAPR |
| 2004-12-03 | WNMK600 | LIREN |
| 2004-11-01 | WNMK600 | LETRES |
| 2000-11-24 | WNMK600 | LICCNV |
| 2000-05-18 | WNMK600 | AUTHPR |
| 1999-12-22 | WNMK600 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1927603 | 2026-08-02 01:13:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNMK600 | ULS 1927603 | 2026-08-02 01:13:12 |
| Status | A | ULS 1927603 | 2026-08-02 01:13:12 |
| Service | YO | ULS 1927603 | 2026-08-02 01:13:12 |
| Grant Date | 2024-11-09 | ULS 1927603 | 2026-08-02 01:13:12 |
| Expiration Date | 2035-01-25 | ULS 1927603 | 2026-08-02 01:13:12 |