Universal Licensing System
WRMK498
Wisper ISP, LLC
License details
| ULS identifier | 4439764 |
|---|
| Call sign | WRMK498 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2021-04-23 |
|---|
| Expiration | 2031-04-23 |
|---|
| Frequency range | 11325 - 17900 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 38.4147222, -90.9244444 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-17 04:25:14 |
|---|
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 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 1 | 1 | FXO | 11325.00000000 | | | | | |
| 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 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 80M0D7W |
| 1 | 1 | 11325.00000000 | | 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 | | 80M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 917 S HWY 47, UNION, FRANKLIN, MO | 38.42641667, -90.99136111 | 198.700 m | LTOWER | 54.900 m structure / 60.900 m overall | N |
| 2 | R | | 38.32569444, -90.79402778 | 276.200 m | | | |
| 3 | R | | 38.41472222, -90.92444444 | 195.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC3-W100BD | | S | 38.3000 | 122.9000 | | |
| 1 | 2 | R | RFS SC3-W100BD | | | 38.3000 | 0.0000 | | |
| 1 | 3 | R | RFS SC2-190C | | | 39.2000 | 0.0000 | | |
| 2 | 1 | T | RFS SC2-190C | | S | 39.2000 | 102.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-30 | WRMK498 | LITRAN |
| 2023-07-13 | WRMK498 | LITRAN |
| 2022-11-29 | WRMK498 | LETCNS |
| 2021-09-01 | WRMK498 | LIMOD |
| 2021-04-23 | WRMK498 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4439764 | 2026-08-17 04:25:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMK498 | ULS 4439764 | 2026-08-17 04:25:14 |
| Status | A | ULS 4439764 | 2026-08-17 04:25:14 |
| Service | MG | ULS 4439764 | 2026-08-17 04:25:14 |
| Grant Date | 2021-04-23 | ULS 4439764 | 2026-08-17 04:25:14 |
| Expiration Date | 2031-04-23 | ULS 4439764 | 2026-08-17 04:25:14 |