Universal Licensing System
KNDD921
Tri-State Generation and Transmission Association, Inc.
License details
| ULS identifier | 1774618 |
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| Call sign | KNDD921 |
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| Radio service | IG |
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| Status | C |
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| Grant date | 2012-07-14 |
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| Expiration | 2022-07-31 |
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| Cancellation | 2020-11-20 |
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| Frequency range | 451.125 - 456.625 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | EDGERTON, JOHNSON, WY |
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| Coordinates | 43.4960833, -106.1508611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:36 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2C | 451.12500000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO | 451.12500000 | | | 110.000000 | | |
| 1 | 1 | FB2C | 451.52500000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO | 451.52500000 | | | 110.000000 | | |
| 1 | 1 | FB2C | 451.62500000 | | | 100.000000 | 500.000000 | |
| 2 | 1 | MO | 451.62500000 | | | 110.000000 | | |
| 2 | 1 | MO | 456.12500000 | | | 110.000000 | | |
| 2 | 1 | MO | 456.52500000 | | | 110.000000 | | |
| 2 | 1 | MO | 456.62500000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.12500000 | | 11K0F3E |
| 2 | 1 | 451.12500000 | | 11K0F3E |
| 1 | 1 | 451.52500000 | | 11K0F3E |
| 2 | 1 | 451.52500000 | | 11K0F3E |
| 1 | 1 | 451.62500000 | | 11K0F3E |
| 2 | 1 | 451.62500000 | | 11K0F3E |
| 2 | 1 | 456.12500000 | | 11K0F3E |
| 2 | 1 | 456.52500000 | | 11K0F3E |
| 2 | 1 | 456.62500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 12.1 KM NE, EDGERTON, JOHNSON, WY | 43.49608333, -106.15086111 | 1737.000 m | TOWER | 26.000 m structure / 27.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 27.000 m | | | | 160.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | WESTMINSTER OPERATIONS CENTER, 1100 W 116TH AVE, WESTMINSTER, CO | ADAMS | 3034526111 |
License history
| Date | File or call sign | Action |
|---|
| 2020-11-21 | KNDD921 | LICAN |
| 2016-03-28 | KNDD921 | LIMOD |
| 2012-07-14 | KNDD921 | LIREN |
| 2012-07-13 | KNDD921 | ESUAPR |
| 2012-06-11 | KNDD921 | LIMOD |
| 2012-05-07 | KNDD921 | LETRES |
| 2012-04-19 | KNDD921 | ESCAPR |
| 2002-07-02 | KNDD921 | LIREN |
| 2002-05-06 | KNDD921 | LETRES |
| 2002-02-11 | KNDD921 | AUDOPR |
| 2001-09-12 | KNDD921 | COR |
| 2000-11-23 | KNDD921 | LICCNV |
| 1999-05-11 | KNDD921 | LIMOD |
| 1999-05-11 | KNDD921 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1774618 | 2026-08-02 01:13:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNDD921 | ULS 1774618 | 2026-08-02 01:13:36 |
| Status | C | ULS 1774618 | 2026-08-02 01:13:36 |
| Service | IG | ULS 1774618 | 2026-08-02 01:13:36 |
| Grant Date | 2012-07-14 | ULS 1774618 | 2026-08-02 01:13:36 |
| Expiration Date | 2022-07-31 | ULS 1774618 | 2026-08-02 01:13:36 |
| Cancellation Date | 2020-11-20 | ULS 1774618 | 2026-08-02 01:13:36 |