Universal Licensing System
WRUJ681
Wisper ISP, LLC
License details
| ULS identifier | 4658932 |
|---|
| Call sign | WRUJ681 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2022-09-02 |
|---|
| Expiration | 2032-09-02 |
|---|
| Frequency range | 17980 - 18060 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | O Fallon, ST. CLAIR, IL |
|---|
| Coordinates | 38.5936111, -89.8963056 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:16 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 1 | 1 | FXO | 17980.00000000 | | | | | |
| 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 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0G7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 17980.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 80M0D7W |
| 1 | 1 | 18060.00000000 | | 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 |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 112 Behrens St, O Fallon, ST. CLAIR, IL | 38.59361111, -89.89630556 | 167.700 m | TANK | 45.700 m structure / 45.700 m overall | |
| 2 | R | | 38.62458333, -89.89152778 | 170.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | MTI Wireless Edge Ltd. MT518M49VHAV | | V | 38.1000 | 6.9000 | | |
| 1 | 2 | R | MTI Wireless Edge Ltd. MT518M49VHAV | | | 38.1000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-30 | WRUJ681 | LITRAN |
| 2023-07-13 | WRUJ681 | LITRAN |
| 2022-09-02 | WRUJ681 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4658932 | 2026-08-02 02:47:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRUJ681 | ULS 4658932 | 2026-08-02 02:47:16 |
| Status | A | ULS 4658932 | 2026-08-02 02:47:16 |
| Service | MG | ULS 4658932 | 2026-08-02 02:47:16 |
| Grant Date | 2022-09-02 | ULS 4658932 | 2026-08-02 02:47:16 |
| Expiration Date | 2032-09-02 | ULS 4658932 | 2026-08-02 02:47:16 |