Universal Licensing System
WPOR421
TRANSMISSION HOLDINGS INC
License details
| ULS identifier | 1048864 |
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| Call sign | WPOR421 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1999-03-11 |
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| Expiration | 2009-03-11 |
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| Cancellation | 2001-12-17 |
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| Frequency range | 23325 MHz |
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| Locations | 2 |
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| Representative location | LAKEWOOD, ARAPAHOE, CO |
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| Coordinates | 39.6546111, -105.0930278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:37 |
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Licensee
| Name | TRANSMISSION HOLDINGS INC |
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| Applicant type | C |
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| FRN | 0001657949 |
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| Location | DALLAS, TX |
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| Address | 1111 W MOCKINGBIRD LN STE 1100, DALLAS, TX, 752475010 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 23325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 23325.00000000 | | 10M0F7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 2507 W HAMPDEN AVE, LAKEWOOD, ARAPAHOE, CO | 39.65461111, -105.09302778 | 1687.100 m | | 13.700 m structure / 16.500 m overall | |
| 2 | R | | 39.65358333, -104.99219444 | 1623.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | H | 51.6000 | 90.7000 | | |
| 1 | 2 | R | | | | 51.6000 | | | |
License history
| Date | File or call sign | Action |
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| 2001-12-18 | WPOR421 | LICAN |
| 2000-10-23 | WPOR421 | LITRAN |
| 2000-01-21 | WPOR421 | LITRAN |
| 1999-08-14 | WPOR421 | LICCNV |
| 1999-05-10 | WPOR421 | COR |
| 1999-03-11 | WPOR421 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1048864 | 2026-08-02 02:42:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPOR421 | ULS 1048864 | 2026-08-02 02:42:37 |
| Status | C | ULS 1048864 | 2026-08-02 02:42:37 |
| Service | MG | ULS 1048864 | 2026-08-02 02:42:37 |
| Grant Date | 1999-03-11 | ULS 1048864 | 2026-08-02 02:42:37 |
| Expiration Date | 2009-03-11 | ULS 1048864 | 2026-08-02 02:42:37 |
| Cancellation Date | 2001-12-17 | ULS 1048864 | 2026-08-02 02:42:37 |