Universal Licensing System
WRKP521
Blackfoot Communications, Inc.
License details
| ULS identifier | 4380621 |
|---|
| Call sign | WRKP521 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2021-01-26 |
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| Expiration | 2031-01-26 |
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| Frequency range | 21875 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Billings, YELLOWSTONE, MT |
|---|
| Coordinates | 45.7627222, -108.5402222 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21875.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21875.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5022 Laurel Rd, Billings, YELLOWSTONE, MT | 45.76272222, -108.54022222 | 961.700 m | B | 8.000 m structure / 8.500 m overall | |
| 2 | R | | 45.78102778, -108.51263889 | 967.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium Networks, LTD N230082D041A | | V | 35.1000 | 46.5000 | | |
| 1 | 2 | R | Cambium Networks, LTD N230082D041A | | | 35.1000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-01-26 | WRKP521 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4380621 | 2026-08-02 02:46:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKP521 | ULS 4380621 | 2026-08-02 02:46:10 |
| Status | A | ULS 4380621 | 2026-08-02 02:46:10 |
| Service | CF | ULS 4380621 | 2026-08-02 02:46:10 |
| Grant Date | 2021-01-26 | ULS 4380621 | 2026-08-02 02:46:10 |
| Expiration Date | 2031-01-26 | ULS 4380621 | 2026-08-02 02:46:10 |