Universal Licensing System
KLG550
ARMSTRONG AMBULANCE SERVICE
License details
| ULS identifier | 1272946 |
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| Call sign | KLG550 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 2005-06-02 |
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| Expiration | 2015-08-28 |
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| Cancellation | 2015-10-31 |
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| Frequency range | 45.76 - 47.54 MHz (5 frequencies) |
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| Locations | 2 |
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| Representative location | WALTHAM, MIDDLESEX, MA |
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| Coordinates | 42.3888889, -71.2530556 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:13 |
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Licensee
| Name | ARMSTRONG AMBULANCE SERVICE |
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| Applicant type | C |
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| FRN | 0004899092 |
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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 |
|---|
| 3 | 1 | MO | 45.76000000 | | | 100.000000 | 100.000000 | |
| 6 | 1 | FX1 | 45.76000000 | | | 25.000000 | 25.000000 | |
| 3 | 1 | MO | 45.84000000 | | | 100.000000 | 100.000000 | |
| 6 | 1 | FX1 | 45.84000000 | | | 25.000000 | 25.000000 | |
| 8 | 1 | MO | 45.84000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 46.00000000 | | | 100.000000 | 100.000000 | |
| 6 | 1 | FX1 | 46.00000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | FB | 47.46000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 47.46000000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | FB2 | 47.46000000 | | | 100.000000 | 60.000000 | |
| 3 | 1 | MO | 47.54000000 | | | 100.000000 | 100.000000 | |
| 5 | 1 | FB2 | 47.54000000 | | | 100.000000 | 60.000000 | |
| 7 | 1 | FB2 | 47.54000000 | | | 100.000000 | 125.000000 | |
| 8 | 1 | MO | 47.54000000 | | | 100.000000 | 100.000000 | |
| 1 | 1 | FB2 | 47.66000000 | | | 100.000000 | 60.000000 | |
| 3 | 1 | MO | 47.66000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 155.28000000 | | | 50.000000 | | |
| 3 | 1 | MO | 155.34000000 | | | 50.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 45.76000000 | | 20K0F3E |
| 6 | 1 | 45.76000000 | | 20K0F3E |
| 3 | 1 | 45.84000000 | | 20K0F3E |
| 6 | 1 | 45.84000000 | | 20K0F3E |
| 8 | 1 | 45.84000000 | | 20K0F3E |
| 3 | 1 | 46.00000000 | | 20K0F3E |
| 6 | 1 | 46.00000000 | | 20K0F3E |
| 2 | 1 | 47.46000000 | | 20K0F3E |
| 3 | 1 | 47.46000000 | | 20K0F3E |
| 4 | 1 | 47.46000000 | | 20K0F3E |
| 3 | 1 | 47.54000000 | | 20K0F3E |
| 5 | 1 | 47.54000000 | | 20K0F3E |
| 7 | 1 | 47.54000000 | | 20K0F3E |
| 8 | 1 | 47.54000000 | | 20K0F3E |
| 1 | 1 | 47.66000000 | | 20K0F3E |
| 3 | 1 | 47.66000000 | | 20K0F3E |
| 3 | 1 | 155.28000000 | | 20K0F3E |
| 3 | 1 | 155.34000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 291 PARK AVE, ARLINGTON, MIDDLESEX, MA | 42.41508333, -71.18088889 | 110.000 m | | | N |
| 2 | T | 12 BRATTLE CT, ARLINGTON, MIDDLESEX, MA | 42.42175000, -71.16950000 | 34.000 m | | | N |
| 3 | T | | | | | | N |
| 4 | T | MDC WATER TOWER TURKEY HILL, ARLINGTON, MIDDLESEX, MA | 42.43313889, -71.17338889 | 113.000 m | TANK | 31.000 m structure / 32.000 m overall | N |
| 5 | T | 39 HOSPITAL RD, ARLINGTON, MIDDLESEX, MA | 42.43480556, -71.16394444 | 70.000 m | BANT | 20.000 m structure / 21.000 m overall | N |
| 6 | T | MA | | | | | N |
| 7 | T | PROSPECT HILL, WALTHAM, MIDDLESEX, MA | 42.38888889, -71.25305556 | 122.500 m | TOWER | 97.500 m structure / 102.400 m overall | N |
| 8 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 0.000 | |
| 1 | 2 | T | | 11.000 m | | | | 0.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | 32.000 m | | | | 107.000 | |
| 1 | 5 | T | | 21.000 m | | | | 53.000 | |
| 1 | 6 | | | | | | | | |
| 1 | 7 | | | 95.000 m | | | | 180.800 | |
| 1 | 8 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 12 BRATTLE CT, ARLINGTON, MA | MIDDLESEX | 6176480612 |
License history
| Date | File or call sign | Action |
|---|
| 2015-10-31 | KLG550 | LIEXP |
| 2015-06-01 | KLG550 | LETRES |
| 2008-04-08 | KLG550 | LETCNS |
| 2007-07-10 | KLG550 | LTSAPR |
| 2007-07-10 | KLG550 | LIMOD |
| 2005-06-02 | KLG550 | LIREN |
| 2001-08-29 | KLG550 | AUDOPR |
| 2001-03-08 | KLG550 | LIMOD |
| 2000-10-20 | KLG550 | LICCNV |
| 2000-07-13 | KLG550 | LIREN |
| 2000-07-13 | KLG550 | AUTHPR |
| 2000-05-31 | KLG550 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1272946 | 2026-08-02 01:14:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KLG550 | ULS 1272946 | 2026-08-02 01:14:13 |
| Status | E | ULS 1272946 | 2026-08-02 01:14:13 |
| Service | PW | ULS 1272946 | 2026-08-02 01:14:13 |
| Grant Date | 2005-06-02 | ULS 1272946 | 2026-08-02 01:14:13 |
| Expiration Date | 2015-08-28 | ULS 1272946 | 2026-08-02 01:14:13 |
| Cancellation Date | 2015-10-31 | ULS 1272946 | 2026-08-02 01:14:13 |