Universal Licensing System
WPJJ307
DONHAM CENTRALIZED SYSTEMS INC
License details
| ULS identifier | 1737102 |
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| Call sign | WPJJ307 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-06-28 |
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| Expiration | 2001-06-28 |
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| Cancellation | 2001-09-02 |
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| Frequency range | 464.175 - 469.175 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | DALLAS, DALLAS, TX |
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| Coordinates | 32.9917778, -96.7719444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:53 |
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Licensee
| Name | DONHAM CENTRALIZED SYSTEMS INC |
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| Applicant type | C |
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| Location | CARROLLTON, TX |
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| Address | 1225 E CROSBY RD STE A 4, CARROLLTON, TX, 75006 |
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| Phone | 2143231500 |
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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 | FB4 | 464.17500000 | | | 60.000000 | 90.000000 | |
| 2 | 1 | FX1 | 469.17500000 | | | 25.000000 | 30.000000 | |
| 3 | 1 | MO | 469.17500000 | | | 25.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.17500000 | | 20K0F3E |
| 2 | 1 | 469.17500000 | | 20K0F3E |
| 3 | 1 | 469.17500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 7800 SPANKY CREEK RD, DALLAS, DALLAS, TX | 32.99177778, -96.77194444 | 198.000 m | TOWER | 113.000 m structure / 113.000 m overall | N |
| 2 | T | TX | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 113.000 m | | | | 126.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1225 E CROSBY RD STE A4, CARROLLTON, TX | | 2143231500 |
License history
| Date | File or call sign | Action |
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| 2001-09-04 | WPJJ307 | LETAUS |
| 2001-09-02 | WPJJ307 | LIEXP |
| 2001-04-02 | WPJJ307 | LETRES |
| 2000-11-23 | WPJJ307 | LICCNV |
| 1996-06-28 | WPJJ307 | LIISS |
| 1996-06-28 | WPJJ307 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1737102 | 2026-08-02 01:28:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPJJ307 | ULS 1737102 | 2026-08-02 01:28:53 |
| Status | E | ULS 1737102 | 2026-08-02 01:28:53 |
| Service | IG | ULS 1737102 | 2026-08-02 01:28:53 |
| Grant Date | 1996-06-28 | ULS 1737102 | 2026-08-02 01:28:53 |
| Expiration Date | 2001-06-28 | ULS 1737102 | 2026-08-02 01:28:53 |
| Cancellation Date | 2001-09-02 | ULS 1737102 | 2026-08-02 01:28:53 |