Universal Licensing System
WPOS661
Tri-State Generation & Transmission
License details
| ULS identifier | 1049804 |
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| Call sign | WPOS661 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2019-04-24 |
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| Expiration | 2029-04-16 |
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| Frequency range | 957.45 MHz |
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| Locations | 2 |
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| Representative location | GRAND LAKE, GRAND, CO |
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| Coordinates | 40.2471944, -105.8452778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:07 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 957.45000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 957.45000000 | | 50K0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MC KENZIE SUBSTATION, 1 MI SW OF, GRAND LAKE, GRAND, CO | 40.24719444, -105.84527778 | 2618.200 m | | 16.800 m overall | |
| 2 | R | | 39.79525000, -105.76333333 | 3804.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Scala MF-900B | | V | 16.1000 | 172.0000 | | |
| 1 | 2 | R | Andrew P6F-9 | | | 21.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-04-24 | WPOS661 | LIREN |
| 2019-02-11 | WPOS661 | LETRES |
| 2009-04-03 | WPOS661 | LIREN |
| 2009-01-19 | WPOS661 | LETRES |
| 2002-01-11 | WPOS661 | LIMOD |
| 1999-08-14 | WPOS661 | LICCNV |
| 1999-04-15 | WPOS661 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1049804 | 2026-08-02 02:45:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPOS661 | ULS 1049804 | 2026-08-02 02:45:07 |
| Status | A | ULS 1049804 | 2026-08-02 02:45:07 |
| Service | MG | ULS 1049804 | 2026-08-02 02:45:07 |
| Grant Date | 2019-04-24 | ULS 1049804 | 2026-08-02 02:45:07 |
| Expiration Date | 2029-04-16 | ULS 1049804 | 2026-08-02 02:45:07 |