Universal Licensing System
WRDF553
Compudyne, Inc.
License details
| ULS identifier | 4150314 |
|---|
| Call sign | WRDF553 |
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| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2019-04-17 |
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| Expiration | 2029-04-17 |
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| Frequency range | 19325 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Duluth, ST. LOUIS, MN |
|---|
| Coordinates | 46.7578056, -92.1335000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19325.00000000 | | 47M1D7W |
| 1 | 1 | 19325.00000000 | | 47M1D7W |
| 1 | 1 | 19325.00000000 | | 47M1D7W |
| 1 | 1 | 19325.00000000 | | 47M1D7W |
| 1 | 1 | 19325.00000000 | | 47M1D7W |
| 1 | 1 | 19325.00000000 | | 47M1D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 120 S 30th Ave W, Duluth, ST. LOUIS, MN | 46.75780556, -92.13350000 | 190.000 m | B | 21.000 m structure / 22.000 m overall | |
| 2 | R | | 46.78372222, -92.10197222 | 191.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | DragonWave A-ANT-18G-24-C-A | | H | 38.9000 | 39.8000 | | |
| 1 | 2 | R | DragonWave A-ANT-18G-24-C-A | | | 38.9000 | | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2023-07-18 | WRDF553 | LIAUA |
| 2021-01-03 | WRDF553 | FRATRE |
| 2020-11-25 | WRDF553 | LETTRS |
| 2020-11-25 | WRDF553 | PNLISR |
| 2020-07-21 | WRDF553 | LETCNS |
| 2019-04-17 | WRDF553 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4150314 | 2026-08-02 02:45:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDF553 | ULS 4150314 | 2026-08-02 02:45:19 |
| Status | A | ULS 4150314 | 2026-08-02 02:45:19 |
| Service | MG | ULS 4150314 | 2026-08-02 02:45:19 |
| Grant Date | 2019-04-17 | ULS 4150314 | 2026-08-02 02:45:19 |
| Expiration Date | 2029-04-17 | ULS 4150314 | 2026-08-02 02:45:19 |