Universal Licensing System
WROI477
Wisper ISP, LLC
License details
| ULS identifier | 4512953 |
|---|
| Call sign | WROI477 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2021-10-19 |
|---|
| Expiration | 2031-10-19 |
|---|
| Frequency range | 10835 - 11075 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 37.4281389, -90.3006944 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:12 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 3 | FXO | 10835.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 1 | FXO | 10995.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
| 1 | 2 | FXO | 11075.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0D7W |
| 1 | 3 | 10835.00000000 | | 80M0G7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0D7W |
| 1 | 1 | 10995.00000000 | | 80M0G7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0D7W |
| 1 | 2 | 11075.00000000 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HCR 71, BOX SBMS, FREDRICKTOWN, MADISON, MO | 37.50155556, -90.30969444 | 290.200 m | GTOWER | 126.800 m structure / 128.900 m overall | N |
| 2 | R | | 37.54619444, -90.21030556 | 297.200 m | | | |
| 3 | R | | 37.42288889, -90.17441667 | 187.500 m | | | |
| 4 | R | | 37.42813889, -90.30069444 | 224.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC3-W100B | | S | 38.6000 | 60.6000 | | |
| 1 | 2 | R | RFS SC3-W100B | | | 38.6000 | 0.0000 | | |
| 1 | 3 | R | RFS SC3-W100B | | | 38.6000 | 0.0000 | | |
| 1 | 4 | R | CommScope VHLP3-11WA | | | 38.5000 | 0.0000 | | |
| 2 | 1 | T | RFS SC3-W100B | | S | 38.6000 | 126.1000 | | |
| 3 | 1 | T | CommScope VHLP2-11WB | | S | 34.7000 | 174.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-21 | WROI477 | LIMOD |
| 2024-01-30 | WROI477 | LITRAN |
| 2023-07-13 | WROI477 | LITRAN |
| 2023-01-06 | WROI477 | LIMOD |
| 2021-10-19 | WROI477 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4512953 | 2026-08-02 02:47:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROI477 | ULS 4512953 | 2026-08-02 02:47:12 |
| Status | A | ULS 4512953 | 2026-08-02 02:47:12 |
| Service | MG | ULS 4512953 | 2026-08-02 02:47:12 |
| Grant Date | 2021-10-19 | ULS 4512953 | 2026-08-02 02:47:12 |
| Expiration Date | 2031-10-19 | ULS 4512953 | 2026-08-02 02:47:12 |