Universal Licensing System
WRMM321
Widmo Holdings LLC
License details
| ULS identifier | 4442978 |
|---|
| Call sign | WRMM321 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2021-05-01 |
|---|
| Expiration | 2031-05-01 |
|---|
| Frequency range | 17900 - 18060 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | BOSTON, SUFFOLK, MA |
|---|
| Coordinates | 42.3732778, -71.0522500 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:25 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 2 | FXO | 17900.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
| 1 | 1 | FXO | 18060.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 17900.00000000 | | 80M0G7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 2 | 17900.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0G7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 197 8th Street, BOSTON, SUFFOLK, MA | 42.37327778, -71.05225000 | 3.200 m | B | 38.000 m structure / 41.000 m overall | |
| 2 | R | | 42.39411111, -71.07822222 | 1.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE VHLP2-18C | | H | 39.0000 | 317.3000 | | |
| 1 | 2 | R | COMMSCOPE VHLP2-18C | | | 39.0000 | | | |
| 2 | 1 | T | COMMSCOPE VHLP2-18C | | V | 39.0000 | 317.3000 | | |
| 2 | 2 | R | COMMSCOPE VHLP2-18C | | | 39.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-30 | WRMM321 | LITRAN |
| 2023-09-29 | WRMM321 | LIAUA |
| 2023-08-31 | WRMM321 | LIASS |
| 2023-06-08 | WRMM321 | LIASS |
| 2022-10-08 | WRMM321 | LETCNS |
| 2022-03-28 | WRMM321 | LITRAN |
| 2021-05-01 | WRMM321 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4442978 | 2026-08-02 02:45:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMM321 | ULS 4442978 | 2026-08-02 02:45:25 |
| Status | A | ULS 4442978 | 2026-08-02 02:45:25 |
| Service | MG | ULS 4442978 | 2026-08-02 02:45:25 |
| Grant Date | 2021-05-01 | ULS 4442978 | 2026-08-02 02:45:25 |
| Expiration Date | 2031-05-01 | ULS 4442978 | 2026-08-02 02:45:25 |