Universal Licensing System
WPNQ451
DANNENBAUM ENGINEERING CO
License details
| ULS identifier | 1804567 |
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| Call sign | WPNQ451 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-04-12 |
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| Expiration | 2024-05-04 |
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| Cancellation | 2024-07-06 |
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| Frequency range | 464.5 - 464.55 MHz (2 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:47 |
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Licensee
| Name | DANNENBAUM ENGINEERING CO |
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| Applicant type | C |
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| FRN | 0010466704 |
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| Location | HOUSTON, TX |
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| Address | 3100 W ALABAMA, HOUSTON, TX, 77098 |
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| Phone | 7135276449 |
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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 | FBI | 464.50000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | FBI | 464.55000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.50000000 | | 11K2F3E |
| 1 | 1 | 464.50000000 | | 20K0F3E |
| 1 | 1 | 464.55000000 | | 11K2F3E |
| 1 | 1 | 464.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3100 W ALABAMA, HOUSTON, TX | HARRIS | 7135276357 |
Special conditions
| Type | Condition code |
|---|
| P | 1035 |
| P | 5071 |
License history
| Date | File or call sign | Action |
|---|
| 2024-07-06 | WPNQ451 | LIEXP |
| 2014-04-14 | WPNQ451 | LTSAPR |
| 2014-04-12 | WPNQ451 | LIREN |
| 2014-02-10 | WPNQ451 | LETRES |
| 2013-05-08 | WPNQ451 | LIMOD |
| 2012-12-31 | WPNQ451 | LTSAPR |
| 2004-03-24 | WPNQ451 | LTSAPR |
| 2004-03-16 | WPNQ451 | LTSFRN |
| 2004-02-09 | WPNQ451 | LETRES |
| 2000-11-23 | WPNQ451 | LICCNV |
| 1999-05-04 | WPNQ451 | AUTHPR |
| 1999-05-04 | WPNQ451 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1804567 | 2026-08-02 01:16:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNQ451 | ULS 1804567 | 2026-08-02 01:16:47 |
| Status | E | ULS 1804567 | 2026-08-02 01:16:47 |
| Service | IG | ULS 1804567 | 2026-08-02 01:16:47 |
| Grant Date | 2014-04-12 | ULS 1804567 | 2026-08-02 01:16:47 |
| Expiration Date | 2024-05-04 | ULS 1804567 | 2026-08-02 01:16:47 |
| Cancellation Date | 2024-07-06 | ULS 1804567 | 2026-08-02 01:16:47 |