Universal Licensing System
WRFV420
City of Medford
License details
| ULS identifier | 4277909 |
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| Call sign | WRFV420 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2020-05-11 |
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| Expiration | 2030-05-11 |
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| Frequency range | 19375 MHz |
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| Locations | 2 |
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| Representative location | Medford, MIDDLESEX, MA |
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| Coordinates | 42.4017500, -71.0808889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:28 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 19375.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19375.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 50 Station Landing, Medford, MIDDLESEX, MA | 42.40175000, -71.08088889 | 5.200 m | BANT | 47.200 m structure / 53.300 m overall | |
| 2 | R | | 42.40997222, -71.09522222 | 7.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-190B | | V | 39.0000 | 307.7000 | | |
| 1 | 2 | R | RFS SC2-190B | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-05-11 | WRFV420 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4277909 | 2026-08-02 02:43:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFV420 | ULS 4277909 | 2026-08-02 02:43:28 |
| Status | A | ULS 4277909 | 2026-08-02 02:43:28 |
| Service | MW | ULS 4277909 | 2026-08-02 02:43:28 |
| Grant Date | 2020-05-11 | ULS 4277909 | 2026-08-02 02:43:28 |
| Expiration Date | 2030-05-11 | ULS 4277909 | 2026-08-02 02:43:28 |