Universal Licensing System
KPK423
SHADOW TRAFFIC NETWORK
License details
| ULS identifier | 1121165 |
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| Call sign | KPK423 |
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| Radio service | RP |
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| Status | E |
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| Grant date | 1991-07-18 |
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| Expiration | 1997-08-01 |
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| Cancellation | 2000-09-24 |
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| Frequency range | 450.4875 MHz |
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| Locations | 1 |
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| Representative location | HOUSTON, HARRIS, TX |
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| Coordinates | 29.7307778, -95.4305000 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-09 00:48:28 |
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Licensee
| Name | SHADOW TRAFFIC NETWORK |
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| Applicant type | P |
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| Location | HOUSTON, TX |
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| Address | 3050 POST OAK BLVD #1280, HOUSTON, TX, 77056 |
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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 | FB2 | 450.48750000 | | | 100.000000 | 472.360000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 450.48750000 | | 25K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | FIVE GREENWAY PLAZA, HOUSTON, HARRIS, TX | 29.73077778, -95.43050000 | 17.000 m | | 146.000 m structure / 146.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 145.000 m | | | | | |
License history
| Date | File or call sign | Action |
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| 2000-09-24 | KPK423 | LIEXP |
| 2000-09-15 | KPK423 | LICCNV |
| 1991-07-18 | KPK423 | LIASS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1121165 | 2026-08-09 00:48:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KPK423 | ULS 1121165 | 2026-08-09 00:48:28 |
| Status | E | ULS 1121165 | 2026-08-09 00:48:28 |
| Service | RP | ULS 1121165 | 2026-08-09 00:48:28 |
| Grant Date | 1991-07-18 | ULS 1121165 | 2026-08-09 00:48:28 |
| Expiration Date | 1997-08-01 | ULS 1121165 | 2026-08-09 00:48:28 |
| Cancellation Date | 2000-09-24 | ULS 1121165 | 2026-08-09 00:48:28 |