Universal Licensing System
WPMF487
ACTION AMBULANCE SERVICE
License details
| ULS identifier | 1293724 |
|---|
| Call sign | WPMF487 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2023-04-15 |
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| Expiration | 2033-07-01 |
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| Frequency range | 453.125 - 458.125 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | WAKEFIELD, MIDDLESEX, MA |
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| Coordinates | 42.4903611, -71.0667222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:29 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 453.12500000 | | | 75.000000 | 75.000000 | |
| 3 | 1 | MO | 453.12500000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | FX1 | 458.12500000 | | | 10.000000 | 20.000000 | |
| 3 | 1 | MO | 458.12500000 | | | 35.000000 | 35.000000 | |
| 4 | 1 | FX1T | 458.12500000 | | | 10.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.12500000 | | 11K2F3E |
| 3 | 1 | 453.12500000 | | 11K2F3E |
| 2 | 1 | 458.12500000 | | 11K2F3E |
| 3 | 1 | 458.12500000 | | 11K2F3E |
| 4 | 1 | 458.12500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HARTS HILL, WAKEFIELD, MIDDLESEX, MA | 42.49036111, -71.06672222 | 73.000 m | BANT | 19.000 m structure / 24.000 m overall | N |
| 2 | T | MA | | | | | |
| 3 | T | MIDDLESEX, MA | | | | | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | 71.700 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 844 WOBURN ST., WILMINGTON, MA | MIDDLESEX | 9782532606 |
License history
| Date | File or call sign | Action |
|---|
| 2023-04-15 | WPMF487 | LIREN |
| 2023-04-10 | WPMF487 | LETRES |
| 2020-10-22 | WPMF487 | LIMOD |
| 2013-04-04 | WPMF487 | LIREN |
| 2013-04-03 | WPMF487 | ESUAPR |
| 2013-04-02 | WPMF487 | ESURNW |
| 2009-05-06 | WPMF487 | LIMOD |
| 2003-07-10 | WPMF487 | LIREN |
| 2003-04-17 | WPMF487 | LIAUA |
| 2003-04-07 | WPMF487 | LETRES |
| 2001-10-15 | WPMF487 | AUDOPR |
| 2000-10-20 | WPMF487 | LICCNV |
| 1998-07-01 | WPMF487 | LIISS |
| 1998-07-01 | WPMF487 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1293724 | 2026-08-02 01:14:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMF487 | ULS 1293724 | 2026-08-02 01:14:29 |
| Status | A | ULS 1293724 | 2026-08-02 01:14:29 |
| Service | PW | ULS 1293724 | 2026-08-02 01:14:29 |
| Grant Date | 2023-04-15 | ULS 1293724 | 2026-08-02 01:14:29 |
| Expiration Date | 2033-07-01 | ULS 1293724 | 2026-08-02 01:14:29 |