Universal Licensing System
WRDR553
Widmo Holdings LLC
License details
| ULS identifier | 4176321 |
|---|
| Call sign | WRDR553 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-07-03 |
|---|
| Expiration | 2029-07-03 |
|---|
| Frequency range | 22025 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Boston, SUFFOLK, MA |
|---|
| Coordinates | 42.3999167, -70.9940278 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
| 1 | 1 | FXO | 22025.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
| 1 | 1 | 22025.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 205 REVERE BEACH PARKWAY, Boston, SUFFOLK, MA | 42.39991667, -70.99402778 | 2.000 m | B | 19.000 m structure / 25.000 m overall | |
| 2 | R | | 42.39838889, -71.02377778 | 6.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SCX2-220B | | S | 41.0000 | 266.0000 | | |
| 1 | 2 | R | RFS SCX2-220B | | | 41.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-30 | WRDR553 | LITRAN |
| 2023-09-29 | WRDR553 | LIAUA |
| 2023-08-31 | WRDR553 | LIASS |
| 2023-06-08 | WRDR553 | LIASS |
| 2022-03-28 | WRDR553 | LITRAN |
| 2019-11-19 | WRDR553 | LIAUA |
| 2019-07-03 | WRDR553 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4176321 | 2026-08-02 02:45:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDR553 | ULS 4176321 | 2026-08-02 02:45:36 |
| Status | A | ULS 4176321 | 2026-08-02 02:45:36 |
| Service | MG | ULS 4176321 | 2026-08-02 02:45:36 |
| Grant Date | 2019-07-03 | ULS 4176321 | 2026-08-02 02:45:36 |
| Expiration Date | 2029-07-03 | ULS 4176321 | 2026-08-02 02:45:36 |