Universal Licensing System
KCA573
MASSACHUSETTS BAY TRANSPORTATION AUTHORITY
License details
| ULS identifier | 1772588 |
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| Call sign | KCA573 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-03-28 |
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| Expiration | 2035-06-07 |
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| Frequency range | 30.9 - 31.14 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | BOSTON, SUFFOLK, MA |
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| Coordinates | 42.3548333, -71.0564444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 30.90000000 | | | 300.000000 | 300.000000 | |
| 1 | 1 | FB | 31.14000000 | | | 300.000000 | 475.000000 | |
| 2 | 1 | FB | 31.14000000 | | | 300.000000 | 475.000000 | |
| 3 | 1 | FB | 31.14000000 | | | 300.000000 | 238.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 30.90000000 | | 20K0F3E |
| 1 | 1 | 31.14000000 | | 20K0F3E |
| 2 | 1 | 31.14000000 | | 20K0F3E |
| 3 | 1 | 31.14000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BANK BOSTON 100 FEDERAL ST, BOSTON, SUFFOLK, MA | 42.35483333, -71.05644444 | 7.000 m | B | 181.000 m structure / 191.000 m overall | N |
| 2 | T | MWRA PUMPING STA, BOSTON, SUFFOLK, MA | 42.33233333, -71.15422222 | 43.000 m | POLE | 62.000 m structure / 69.000 m overall | N |
| 3 | T | HARVARD SQ MBTA STA, CAMBRIDGE, MIDDLESEX, MA | 42.29288889, -71.06588889 | 15.000 m | TOWER | -24.000 m structure / -24.000 m overall | N |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 191.000 m | | | | 0.000 | |
| 1 | 2 | T | | 69.000 m | | | | 0.000 | |
| 1 | 3 | T | | -24.000 m | | | | 0.000 | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 45 HIGH ST, BOSTON, MA | | 6172225777 |
License history
| Date | File or call sign | Action |
|---|
| 2025-03-28 | KCA573 | LIREN |
| 2025-03-17 | KCA573 | LETRES |
| 2015-03-17 | KCA573 | LIREN |
| 2015-03-16 | KCA573 | ESUAPR |
| 2015-03-16 | KCA573 | LETRES |
| 2015-03-09 | KCA573 | ESURNW |
| 2005-03-25 | KCA573 | ESUAPR |
| 2005-03-25 | KCA573 | LIREN |
| 2005-03-14 | KCA573 | LETRES |
| 2002-01-14 | KCA573 | AUDOPR |
| 2001-12-13 | KCA573 | LIMOD |
| 2000-11-23 | KCA573 | LICCNV |
| 2000-06-07 | KCA573 | LIMOD |
| 2000-06-07 | KCA573 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1772588 | 2026-08-02 01:18:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KCA573 | ULS 1772588 | 2026-08-02 01:18:18 |
| Status | A | ULS 1772588 | 2026-08-02 01:18:18 |
| Service | IG | ULS 1772588 | 2026-08-02 01:18:18 |
| Grant Date | 2025-03-28 | ULS 1772588 | 2026-08-02 01:18:18 |
| Expiration Date | 2035-06-07 | ULS 1772588 | 2026-08-02 01:18:18 |