Universal Licensing System
WPPU531
TRINITY INDUSTRIES
License details
| ULS identifier | 1820027 |
|---|
| Call sign | WPPU531 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-01-15 |
|---|
| Expiration | 2035-01-14 |
|---|
| Frequency range | 456.4625 - 457.7625 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | NAVASOTA, GRIMES, TX |
|---|
| Coordinates | 30.3570000, -96.0593056 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:25:52 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.32500000 | | | 45.000000 | 60.000000 | |
| 2 | 1 | MO | 451.32500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 451.53750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.70000000 | | | 45.000000 | 60.000000 | |
| 2 | 1 | MO | 452.70000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.76250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.32500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 456.46250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 456.53750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.70000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.76250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.32500000 | | 7K60FXE |
| 1 | 1 | 451.32500000 | | 11K2F3E |
| 2 | 1 | 451.32500000 | | 7K60FXE |
| 2 | 1 | 451.32500000 | | 11K2F3E |
| 3 | 1 | 451.53750000 | | 11K2F3E |
| 3 | 1 | 451.53750000 | | 7K60FXE |
| 1 | 1 | 452.70000000 | | 7K60FXE |
| 1 | 1 | 452.70000000 | | 11K2F3E |
| 2 | 1 | 452.70000000 | | 7K60FXE |
| 2 | 1 | 452.70000000 | | 11K2F3E |
| 3 | 1 | 452.76250000 | | 7K60FXE |
| 3 | 1 | 452.76250000 | | 11K2F3E |
| 2 | 1 | 456.32500000 | | 7K60FXE |
| 2 | 1 | 456.32500000 | | 11K2F3E |
| 3 | 1 | 456.46250000 | | 7K60FXE |
| 3 | 1 | 456.46250000 | | 11K2F3E |
| 3 | 1 | 456.53750000 | | 7K60FXE |
| 3 | 1 | 456.53750000 | | 11K2F3E |
| 2 | 1 | 457.70000000 | | 7K60FXE |
| 2 | 1 | 457.70000000 | | 11K2F3E |
| 3 | 1 | 457.76250000 | | 7K60FXE |
| 3 | 1 | 457.76250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11765 HWY 6, NAVASOTA, GRIMES, TX | 30.35519444, -96.05661111 | 70.000 m | B | 8.000 m structure / 8.000 m overall | N |
| 2 | T | | | | | | |
| 3 | | NAVASOTA, GRIMES, TX | 30.35700000, -96.05930556 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | -2.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 11765 HWY 6, NAVASOTA, TX | GRIMES | 4098702545 |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-15 | WPPU531 | LIREN |
| 2024-10-21 | WPPU531 | LETRES |
| 2019-12-18 | WPPU531 | LIMOD |
| 2014-11-06 | WPPU531 | LIREN |
| 2014-10-20 | WPPU531 | LETRES |
| 2014-01-14 | WPPU531 | LETCNS |
| 2013-04-16 | WPPU531 | LIMOD |
| 2004-12-10 | WPPU531 | LTSAPR |
| 2004-12-10 | WPPU531 | LIREN |
| 2004-12-09 | WPPU531 | LTSFRN |
| 2004-10-18 | WPPU531 | LETRES |
| 2001-12-10 | WPPU531 | AUDOPR |
| 2000-11-23 | WPPU531 | LICCNV |
| 2000-01-14 | WPPU531 | AUTHPR |
| 2000-01-14 | WPPU531 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1820027 | 2026-08-02 01:25:52 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPU531 | ULS 1820027 | 2026-08-02 01:25:52 |
| Status | A | ULS 1820027 | 2026-08-02 01:25:52 |
| Service | IG | ULS 1820027 | 2026-08-02 01:25:52 |
| Grant Date | 2025-01-15 | ULS 1820027 | 2026-08-02 01:25:52 |
| Expiration Date | 2035-01-14 | ULS 1820027 | 2026-08-02 01:25:52 |