Universal Licensing System
WPWL473
ARMSTRONG AMBULANCE SERVICE
License details
| ULS identifier | 2468216 |
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| Call sign | WPWL473 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2002-12-13 |
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| Expiration | 2012-12-13 |
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| Cancellation | 2013-02-16 |
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| Frequency range | 45.56 - 46.56 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | ARLINGTON, MIDDLESEX, MA |
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| Coordinates | 42.4331389, -71.1747778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:24:59 |
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Licensee
| Name | ARMSTRONG AMBULANCE SERVICE |
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| Applicant type | L |
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| FRN | 0006947014 |
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| Location | ARLINGTON, MA |
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| Address | 12 BRATTLE CT, ARLINGTON, MA, 024764306 |
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| Phone | 6176480612 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 45.56000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | FX1 | 45.56000000 | | | 100.000000 | 100.000000 | |
| 5 | 1 | MO | 45.56000000 | | | 100.000000 | 100.000000 | |
| 1 | 1 | FB2 | 46.56000000 | | | 100.000000 | 125.000000 | |
| 2 | 1 | MO | 46.56000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FB2 | 46.56000000 | | | 100.000000 | 125.000000 | |
| 5 | 1 | MO | 46.56000000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 45.56000000 | | 20K0F3E |
| 3 | 1 | 45.56000000 | | 20K0F3E |
| 5 | 1 | 45.56000000 | | 20K0F3E |
| 1 | 1 | 46.56000000 | | 20K0F3E |
| 2 | 1 | 46.56000000 | | 20K0F3E |
| 4 | 1 | 46.56000000 | | 20K0F3E |
| 5 | 1 | 46.56000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5 BOSTON STREET, NORTH ANDOVER, ESSEX, MA | 42.64591667, -71.09366667 | 117.000 m | MAST | 28.000 m structure / 32.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | ESSEX, MA | | | | | |
| 4 | T | TURKEY HILL, ARLINGTON, MIDDLESEX, MA | 42.43313889, -71.17477778 | 113.000 m | TANK | 30.000 m structure / 32.000 m overall | N |
| 5 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 32.000 m | | | | 114.800 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
| 1 | 4 | | | 32.000 m | | | | 107.000 | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12 BRATTLE CT., ARLINGTON HEIGHTS, MA | MIDDLESEX | 6176480612 |
License history
| Date | File or call sign | Action |
|---|
| 2013-02-16 | WPWL473 | LIEXP |
| 2012-09-17 | WPWL473 | LETRES |
| 2007-07-03 | WPWL473 | LIMOD |
| 2002-12-13 | WPWL473 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2468216 | 2026-08-02 01:24:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPWL473 | ULS 2468216 | 2026-08-02 01:24:59 |
| Status | E | ULS 2468216 | 2026-08-02 01:24:59 |
| Service | PW | ULS 2468216 | 2026-08-02 01:24:59 |
| Grant Date | 2002-12-13 | ULS 2468216 | 2026-08-02 01:24:59 |
| Expiration Date | 2012-12-13 | ULS 2468216 | 2026-08-02 01:24:59 |
| Cancellation Date | 2013-02-16 | ULS 2468216 | 2026-08-02 01:24:59 |