Universal Licensing System
WRDP431
Blackfoot Communications, Inc.
License details
| ULS identifier | 4171389 |
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| Call sign | WRDP431 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-06-18 |
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| Expiration | 2029-06-18 |
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| Frequency range | 19380 MHz |
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| Locations | 2 |
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| Representative location | Helena, LEWIS AND CLARK, MT |
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| Coordinates | 46.6135278, -112.0202500 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19380.00000000 | | | | | |
| 1 | 1 | FXO | 19380.00000000 | | | | | |
| 1 | 1 | FXO | 19380.00000000 | | | | | |
| 1 | 1 | FXO | 19380.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19380.00000000 | | 56M0D7W |
| 1 | 1 | 19380.00000000 | | 56M0D7W |
| 1 | 1 | 19380.00000000 | | 56M0D7W |
| 1 | 1 | 19380.00000000 | | 56M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2905 N Montana Ave, Helena, LEWIS AND CLARK, MT | 46.61352778, -112.02025000 | 1177.200 m | B | 10.000 m structure / 10.000 m overall | |
| 2 | R | | 46.60027778, -112.01361111 | 1205.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | TRANGO NETWORKS, LLC AD18G-1-S2 | | H | 32.5000 | 160.9000 | | |
| 1 | 2 | R | TRANGO NETWORKS, LLC AD18G-1-S2 | | | 32.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-06-18 | WRDP431 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4171389 | 2026-08-02 02:46:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDP431 | ULS 4171389 | 2026-08-02 02:46:03 |
| Status | A | ULS 4171389 | 2026-08-02 02:46:03 |
| Service | CF | ULS 4171389 | 2026-08-02 02:46:03 |
| Grant Date | 2019-06-18 | ULS 4171389 | 2026-08-02 02:46:03 |
| Expiration Date | 2029-06-18 | ULS 4171389 | 2026-08-02 02:46:03 |