Universal Licensing System
WQWN461
CATALDO AMBULANCE SERVICE
License details
| ULS identifier | 3743308 |
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| Call sign | WQWN461 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-07-22 |
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| Expiration | 2035-10-13 |
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| Frequency range | 153.3575 - 157.485 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WEST NEWBURY, ESSEX, MA |
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| Coordinates | 42.8077778, -70.9630833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 153.35750000 | | | 50.000000 | 100.000000 | |
| 2 | 1 | MO | 153.35750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 157.48500000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 153.35750000 | | 11K2F1D |
| 1 | 1 | 153.35750000 | | 11K2F3E |
| 2 | 1 | 153.35750000 | | 11K2F1D |
| 2 | 1 | 153.35750000 | | 11K2F3E |
| 2 | 1 | 157.48500000 | | 11K2F3E |
| 2 | 1 | 157.48500000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 694 MAIN STREET, WEST NEWBURY, ESSEX, MA | 42.80777778, -70.96308333 | 42.000 m | BANT | 21.000 m structure / 25.000 m overall | |
| 2 | T | ESSEX, MA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 25.000 m | | | | 41.800 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 137 WASHINGTON ST, SOMERVILLE, MA | MIDDLESEX | 6176298579 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-22 | WQWN461 | LIREN |
| 2025-07-21 | WQWN461 | LETRES |
| 2015-10-13 | WQWN461 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3743308 | 2026-08-02 01:10:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQWN461 | ULS 3743308 | 2026-08-02 01:10:07 |
| Status | A | ULS 3743308 | 2026-08-02 01:10:07 |
| Service | IG | ULS 3743308 | 2026-08-02 01:10:07 |
| Grant Date | 2025-07-22 | ULS 3743308 | 2026-08-02 01:10:07 |
| Expiration Date | 2035-10-13 | ULS 3743308 | 2026-08-02 01:10:07 |