Universal Licensing System
WRPX477
Compudyne Inc.
License details
| ULS identifier | 4576612 |
|---|
| Call sign | WRPX477 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2022-04-04 |
|---|
| Expiration | 2032-04-04 |
|---|
| Frequency range | 10995 - 18015 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 46.7613056, -92.1310278 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:19 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 7 | FXO | 10995.00000000 | | | | | |
| 1 | 7 | FXO | 10995.00000000 | | | | | |
| 1 | 6 | FXO | 11625.00000000 | | | | | |
| 1 | 2 | FXO | 17765.00000000 | | | | | |
| 1 | 8 | FXO | 17960.00000000 | | | | | |
| 1 | 4 | FXO | 18015.00000000 | | | | | |
| 1 | 4 | FXO | 18015.00000000 | | | | | |
| 1 | 4 | FXO | 18015.00000000 | | | | | |
| 1 | 4 | FXO | 18015.00000000 | | | | | |
| 1 | 4 | FXO | 18015.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 7 | 10995.00000000 | | 56M0D1W |
| 1 | 6 | 11625.00000000 | | 35M8D7W |
| 1 | 6 | 11625.00000000 | | 36M2D7W |
| 1 | 6 | 11625.00000000 | | 34M4D7W |
| 1 | 6 | 11625.00000000 | | 36M7D7W |
| 1 | 2 | 17765.00000000 | | 47M1D7W |
| 1 | 2 | 17765.00000000 | | 47M1D7W |
| 1 | 2 | 17765.00000000 | | 47M1D7W |
| 1 | 2 | 17765.00000000 | | 47M1D7W |
| 1 | 2 | 17765.00000000 | | 47M1D7W |
| 1 | 2 | 17765.00000000 | | 47M1D7W |
| 1 | 8 | 17960.00000000 | | 36M7D7W |
| 1 | 8 | 17960.00000000 | | 36M7D7W |
| 1 | 8 | 17960.00000000 | | 36M7D7W |
| 1 | 8 | 17960.00000000 | | 36M7D7W |
| 1 | 8 | 17960.00000000 | | 36M7D7W |
| 1 | 8 | 17960.00000000 | | 36M7D7W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
| 1 | 4 | 18015.00000000 | | 50M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 306 W Superior St, Duluth, ST. LOUIS, MN | 46.78372222, -92.10197222 | 191.900 m | B | 77.000 m structure / 77.000 m overall | N |
| 3 | R | | 46.75780556, -92.13350000 | 190.100 m | | | |
| 4 | R | | 46.71761111, -92.23330556 | 354.800 m | | | |
| 5 | R | | 46.72686111, -92.09747222 | 193.000 m | | | |
| 7 | R | | 46.76413889, -92.11583333 | 185.000 m | | | |
| 8 | R | | 46.76130556, -92.13102778 | 189.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 3 | R | DragonWave A-ANT-18G-24-C-A | | | 38.9000 | | | |
| 1 | 4 | R | RFS SB2-107C | | | 35.1000 | | | |
| 1 | 5 | R | Arkivator HAA1806-PA2 | | | 38.3000 | | | |
| 1 | 7 | R | RF Engineering & Energy R RFMA-1135UH06WS | | | 34.5000 | | | |
| 1 | 8 | R | RF Engineering & Energy R RFMA-1835UH03WS | | | 34.2000 | | | |
| 2 | 1 | T | DragonWave A-ANT-18G-24-C-A | | H | 38.9000 | 219.8000 | | |
| 4 | 1 | T | Arkivator HAA1806-PA2 | | V | 38.3000 | 176.9000 | | |
| 6 | 1 | T | RF Engineering & Energy R RFMA-1135UH06WS | | V | 34.5000 | 205.9000 | | |
| 7 | 1 | T | RFS SB2-107C | | H | 35.1000 | 233.1000 | | |
| 8 | 1 | T | RF Engineering & Energy RFMA-1835UH03WS | | V | 34.2000 | 221.1000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-05 | WRPX477 | LIMOD |
| 2026-03-20 | WRPX477 | LIMOD |
| 2025-07-11 | WRPX477 | LIMOD |
| 2025-03-07 | WRPX477 | LIMOD |
| 2024-12-24 | WRPX477 | LETCNS |
| 2023-09-22 | WRPX477 | LIMOD |
| 2023-07-18 | WRPX477 | LIAUA |
| 2023-07-04 | WRPX477 | LETCNS |
| 2023-03-06 | WRPX477 | LIMOD |
| 2022-04-04 | WRPX477 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4576612 | 2026-08-02 02:45:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRPX477 | ULS 4576612 | 2026-08-02 02:45:19 |
| Status | A | ULS 4576612 | 2026-08-02 02:45:19 |
| Service | MG | ULS 4576612 | 2026-08-02 02:45:19 |
| Grant Date | 2022-04-04 | ULS 4576612 | 2026-08-02 02:45:19 |
| Expiration Date | 2032-04-04 | ULS 4576612 | 2026-08-02 02:45:19 |