Universal Licensing System
WNWB639
WALKER ENGINEERING
License details
| ULS identifier | 1682921 |
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| Call sign | WNWB639 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-05-14 |
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| Expiration | 2001-04-15 |
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| Cancellation | 2001-06-17 |
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| Frequency range | 464.375 - 469.55 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | DALLAS, TX |
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| Coordinates | 32.7245833, -96.7275000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:48 |
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Licensee
| Name | WALKER ENGINEERING |
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| Applicant type | C |
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| FRN | 0001656768 |
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| Location | DALLAS, TX |
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| Address | 10999 PETAL ST, DALLAS, TX, 75238 |
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| Phone | 2143495400 |
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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 | MO | 464.37500000 | | | 25.000000 | | |
| 2 | 1 | MOI | 464.50000000 | | | 4.000000 | | |
| 2 | 1 | MOI | 464.55000000 | | | 4.000000 | | |
| 1 | 1 | MO | 464.67500000 | | | 25.000000 | | |
| 2 | 1 | MOI | 469.50000000 | | | 4.000000 | | |
| 2 | 1 | MOI | 469.55000000 | | | 4.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.37500000 | | 20K0F3E |
| 2 | 1 | 464.50000000 | | 20K0F3E |
| 2 | 1 | 464.55000000 | | 20K0F3E |
| 1 | 1 | 464.67500000 | | 20K0F3E |
| 2 | 1 | 469.50000000 | | 20K0F3E |
| 2 | 1 | 469.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DALLAS, TX | 32.72458333, -96.72750000 | | | | |
| 2 | T | TX | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 10999 PETAL ST, DALLAS, TX | | 2143495400 |
License history
| Date | File or call sign | Action |
|---|
| 2001-06-17 | WNWB639 | LIEXP |
| 2001-01-25 | WNWB639 | LETRES |
| 2000-11-23 | WNWB639 | LICCNV |
| 1996-05-14 | WNWB639 | AUTHPR |
| 1996-05-14 | WNWB639 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1682921 | 2026-08-02 01:12:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNWB639 | ULS 1682921 | 2026-08-02 01:12:48 |
| Status | E | ULS 1682921 | 2026-08-02 01:12:48 |
| Service | IG | ULS 1682921 | 2026-08-02 01:12:48 |
| Grant Date | 1996-05-14 | ULS 1682921 | 2026-08-02 01:12:48 |
| Expiration Date | 2001-04-15 | ULS 1682921 | 2026-08-02 01:12:48 |
| Cancellation Date | 2001-06-17 | ULS 1682921 | 2026-08-02 01:12:48 |