Universal Licensing System
WNFR549
ARMSTRONG AMBULANCE SERVICE INC
License details
| ULS identifier | 1279646 |
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| Call sign | WNFR549 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2001-10-11 |
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| Expiration | 2011-11-22 |
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| Cancellation | 2012-01-28 |
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| Frequency range | 47.54 MHz |
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| Locations | 4 |
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| Representative location | ARLINGTON, MIDDLESEX, MA |
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| Coordinates | 42.4150833, -71.1814444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:12 |
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Licensee
| Name | ARMSTRONG AMBULANCE SERVICE INC |
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| Applicant type | C |
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| FRN | 0005187430 |
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| Location | ARLINGTON HEIGHTS, MA |
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| Address | 12 BRATTLE CT, ARLINGTON HEIGHTS, MA, 02175 |
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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 |
|---|
| 1 | 1 | FB | 47.54000000 | | | 100.000000 | 100.000000 | |
| 2 | 1 | FB | 47.54000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | FB | 47.54000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO | 47.54000000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 47.54000000 | | 20K0F3E |
| 2 | 1 | 47.54000000 | | 20K0F3E |
| 3 | 1 | 47.54000000 | | 20K0F3E |
| 4 | 1 | 47.54000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 291 PARK AVE, ARLINGTON, MIDDLESEX, MA | 42.41508333, -71.18144444 | 110.000 m | B | 23.000 m structure / 28.000 m overall | N |
| 2 | T | 32 SUMMER ST, STONEHAM, MIDDLESEX, MA | 42.47258333, -71.09505556 | 49.000 m | B | 5.000 m structure / 9.000 m overall | N |
| 3 | T | 12 BRATTLE CT, ARLINGTON, MIDDLESEX, MA | 42.42175000, -71.17005556 | 34.000 m | B | 3.000 m structure / 6.000 m overall | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 28.000 m | | | | 103.000 | |
| 1 | 2 | T | | 9.000 m | | | | 30.000 | |
| 1 | 3 | T | | 6.000 m | | | | 4.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 12 BRATTLE CT, ARLINGTON, MA | | 6176480612 |
License history
| Date | File or call sign | Action |
|---|
| 2012-01-28 | WNFR549 | LIEXP |
| 2011-08-29 | WNFR549 | LETRES |
| 2001-10-11 | WNFR549 | LIREN |
| 2001-08-29 | WNFR549 | AUDOPR |
| 2001-08-27 | WNFR549 | LETRES |
| 2000-10-20 | WNFR549 | LICCNV |
| 1996-11-22 | WNFR549 | LIREN |
| 1996-11-22 | WNFR549 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1279646 | 2026-08-02 01:14:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNFR549 | ULS 1279646 | 2026-08-02 01:14:12 |
| Status | E | ULS 1279646 | 2026-08-02 01:14:12 |
| Service | PW | ULS 1279646 | 2026-08-02 01:14:12 |
| Grant Date | 2001-10-11 | ULS 1279646 | 2026-08-02 01:14:12 |
| Expiration Date | 2011-11-22 | ULS 1279646 | 2026-08-02 01:14:12 |
| Cancellation Date | 2012-01-28 | ULS 1279646 | 2026-08-02 01:14:12 |