Universal Licensing System
WRDI487
Widmo Holdings LLC
License details
| ULS identifier | 4157381 |
|---|
| Call sign | WRDI487 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-05-06 |
|---|
| Expiration | 2029-05-06 |
|---|
| Frequency range | 23225 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Boston, SUFFOLK, MA |
|---|
| Coordinates | 42.3983889, -71.0237778 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:31 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
| 1 | 7 | FXO | 23225.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
| 1 | 7 | 23225.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 855 BROADWAY, Boston, SUFFOLK, MA | 42.39838889, -71.02377778 | 6.700 m | B | 42.000 m structure / 46.000 m overall | |
| 2 | R | | 42.37130556, -71.04394444 | 0.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | 2 | R | RFS SCX2-220B | | | 41.0000 | | | |
| 7 | 1 | T | RFS SCX2-220B | | S | 41.0000 | 208.9000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-30 | WRDI487 | LITRAN |
| 2023-09-29 | WRDI487 | LIAUA |
| 2023-08-31 | WRDI487 | LIASS |
| 2023-06-08 | WRDI487 | LIASS |
| 2023-04-04 | WRDI487 | LETCNS |
| 2022-09-25 | WRDI487 | LOATRM |
| 2022-09-25 | WRDI487 | PAATRM |
| 2022-09-25 | WRDI487 | ANATRM |
| 2022-09-25 | WRDI487 | FRATRM |
| 2022-07-20 | WRDI487 | LETTRS |
| 2022-07-20 | WRDI487 | PNLISR |
| 2022-04-06 | WRDI487 | LIMOD |
| 2022-03-28 | WRDI487 | LITRAN |
| 2022-03-14 | WRDI487 | LETCNS |
| 2022-01-06 | WRDI487 | LIMOD |
| 2021-02-23 | WRDI487 | AUTHPR |
| 2021-02-22 | WRDI487 | PAATRM |
| 2021-02-22 | WRDI487 | FRATRM |
| 2021-02-22 | WRDI487 | LOATRM |
| 2021-02-22 | WRDI487 | ANATRM |
| 2020-12-16 | WRDI487 | LETTRS |
| 2020-12-16 | WRDI487 | PNLISR |
| 2020-12-14 | WRDI487 | LIMOD |
| 2020-08-11 | WRDI487 | LETCNS |
| 2019-11-19 | WRDI487 | LIAUA |
| 2019-09-16 | WRDI487 | LIMOD |
| 2019-05-06 | WRDI487 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4157381 | 2026-08-02 02:45:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDI487 | ULS 4157381 | 2026-08-02 02:45:31 |
| Status | A | ULS 4157381 | 2026-08-02 02:45:31 |
| Service | MG | ULS 4157381 | 2026-08-02 02:45:31 |
| Grant Date | 2019-05-06 | ULS 4157381 | 2026-08-02 02:45:31 |
| Expiration Date | 2029-05-06 | ULS 4157381 | 2026-08-02 02:45:31 |