Universal Licensing System
WRDB550
JMZ CORPORATION
License details
| ULS identifier | 4135881 |
|---|
| Call sign | WRDB550 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-03-20 |
|---|
| Expiration | 2029-03-20 |
|---|
| Frequency range | 6137.925 - 11325 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Chanute, WILSON, KS |
|---|
| Coordinates | 37.6833333, -95.5947222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 6137.92500000 | | | | | |
| 1 | 2 | FXO | 6137.92500000 | | | | | |
| 1 | 2 | FXO | 6137.92500000 | | | | | |
| 1 | 2 | FXO | 6137.92500000 | | | | | |
| 1 | 2 | FXO | 6137.92500000 | | | | | |
| 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 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 1 | 2 | 6137.92500000 | | 60M0G7W |
| 1 | 2 | 6137.92500000 | | 60M0D7W |
| 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 |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7 miles west of Chanute, KS on Hwy 39, 1/3 mile south, Chanute, WILSON, KS | 37.68333333, -95.59472222 | 317.000 m | LTOWER | 106.000 m structure / 106.000 m overall | |
| 2 | R | | 37.68033333, -95.45450000 | 283.500 m | | | |
| 3 | R | | 37.54591667, -95.82408333 | 267.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium Networks N110082D073A | | V | 38.5000 | 91.5000 | | |
| 1 | 2 | R | Cambium Networks N110082D073A | | | 34.8000 | | | |
| 1 | 3 | R | Cambium Networks N060082D129A | | | 35.5000 | | | |
| 2 | 1 | T | Cambium Networks N060082D128A | | V | 33.0000 | 233.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-09 | WRDB550 | LITRAN |
| 2023-01-31 | WRDB550 | LITRAN |
| 2021-10-13 | WRDB550 | LIAUA |
| 2020-09-05 | WRDB550 | LIAUA |
| 2019-03-20 | WRDB550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135881 | 2026-08-02 02:44:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB550 | ULS 4135881 | 2026-08-02 02:44:54 |
| Status | A | ULS 4135881 | 2026-08-02 02:44:54 |
| Service | MG | ULS 4135881 | 2026-08-02 02:44:54 |
| Grant Date | 2019-03-20 | ULS 4135881 | 2026-08-02 02:44:54 |
| Expiration Date | 2029-03-20 | ULS 4135881 | 2026-08-02 02:44:54 |