Universal Licensing System
WRKW921
SyncWave LLC
License details
| ULS identifier | 4393740 |
|---|
| Call sign | WRKW921 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2021-02-24 |
|---|
| Expiration | 2031-02-24 |
|---|
| Frequency range | 11325 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Ludington, MASON, MI |
|---|
| Coordinates | 43.9169444, -86.4366667 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:29 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 2 | FXO | 11325.00000000 | | | | | |
| 1 | 3 | FXO | 11325.00000000 | | | | | |
| 1 | 3 | FXO | 11325.00000000 | | | | | |
| 1 | 3 | FXO | 11325.00000000 | | | | | |
| 1 | 3 | FXO | 11325.00000000 | | | | | |
| 1 | 3 | FXO | 11325.00000000 | | | | | |
| 1 | 4 | FXO | 11325.00000000 | | | | | |
| 1 | 4 | FXO | 11325.00000000 | | | | | |
| 1 | 4 | FXO | 11325.00000000 | | | | | |
| 1 | 4 | FXO | 11325.00000000 | | | | | |
| 1 | 4 | FXO | 11325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11325.00000000 | | 79M6D7D |
| 1 | 1 | 11325.00000000 | | 79M6D7D |
| 1 | 1 | 11325.00000000 | | 79M6D7D |
| 1 | 1 | 11325.00000000 | | 79M6D7D |
| 1 | 2 | 11325.00000000 | | 79M6D7D |
| 1 | 2 | 11325.00000000 | | 79M6D7D |
| 1 | 2 | 11325.00000000 | | 79M6D7D |
| 1 | 2 | 11325.00000000 | | 79M6D7D |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 3 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
| 1 | 4 | 11325.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | NW of Intersection of Inman and Bradshaw Roads, Mason Co., MI, Ludington, MASON, MI | 43.91694444, -86.43666667 | 239.800 m | LTOWER | 60.300 m structure / 60.300 m overall | N |
| 2 | R | | 43.95316667, -86.29186111 | 211.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Jirous JRMB-900-10/11 | | V | 37.5000 | 70.8000 | | |
| 1 | 2 | R | Jirous JRMB-1200-10/11 | | | 41.0000 | | | |
| 2 | 1 | T | Jirous JRMB-900-10/11 | | H | 37.5000 | 70.8000 | | |
| 2 | 2 | R | Jirous JRMB-1200-10/11 | | | 41.0000 | | | |
| 3 | 1 | T | Radio Waves HP3-11 | | H | 38.5000 | 70.8000 | | |
| 3 | 2 | R | Radio Waves HP4-11 | | | 41.0000 | | | |
| 4 | 1 | T | Radio Waves HP3-11 | | V | 38.5000 | 70.8000 | | |
| 4 | 2 | R | Radio Waves HP4-11 | | | 41.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-10 | WRKW921 | FRATRE |
| 2024-12-11 | WRKW921 | PNLISR |
| 2024-12-11 | WRKW921 | LETTRS |
| 2024-07-16 | WRKW921 | LETCNS |
| 2023-04-14 | WRKW921 | LIMOD |
| 2021-02-24 | WRKW921 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4393740 | 2026-08-02 02:46:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKW921 | ULS 4393740 | 2026-08-02 02:46:29 |
| Status | A | ULS 4393740 | 2026-08-02 02:46:29 |
| Service | MG | ULS 4393740 | 2026-08-02 02:46:29 |
| Grant Date | 2021-02-24 | ULS 4393740 | 2026-08-02 02:46:29 |
| Expiration Date | 2031-02-24 | ULS 4393740 | 2026-08-02 02:46:29 |