Universal Licensing System
WNNG441
Optim Energy Twin Oaks LP
License details
| ULS identifier | 1892965 |
|---|
| Call sign | WNNG441 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2003-10-24 |
|---|
| Expiration | 2014-01-03 |
|---|
| Cancellation | 2014-03-08 |
|---|
| Frequency range | 451.05 - 456.6875 MHz (15 frequencies) |
|---|
| Locations | 2 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:19:09 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB | 48.30000000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO | 451.03750000 | | | 2.000000 | | |
| 2 | 1 | FB2 | 451.05000000 | | | 100.000000 | 350.000000 | |
| 4 | 1 | MO | 451.05000000 | | | 100.000000 | | |
| 3 | 1 | MO | 451.13750000 | | | 2.000000 | | |
| 3 | 1 | MO | 451.23750000 | | | 2.000000 | | |
| 3 | 1 | MO | 451.36250000 | | | 2.000000 | | |
| 3 | 1 | MO | 451.48750000 | | | 2.000000 | | |
| 3 | 1 | MO | 451.58750000 | | | 2.000000 | | |
| 3 | 1 | MO | 451.68750000 | | | 2.000000 | | |
| 3 | 1 | MO | 456.03750000 | | | 2.000000 | | |
| 1 | 1 | FX1 | 456.05000000 | | | 30.000000 | | |
| 4 | 1 | MO | 456.05000000 | | | 100.000000 | | |
| 3 | 1 | MO | 456.13750000 | | | 2.000000 | | |
| 3 | 1 | MO | 456.23750000 | | | 2.000000 | | |
| 3 | 1 | MO | 456.36250000 | | | 2.000000 | | |
| 3 | 1 | MO | 456.48750000 | | | 2.000000 | | |
| 3 | 1 | MO | 456.58750000 | | | 2.000000 | | |
| 3 | 1 | MO | 456.68750000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 48.30000000 | | 20K0F3E |
| 3 | 1 | 451.03750000 | | 20K0F3E |
| 2 | 1 | 451.05000000 | | 20K0F1D |
| 2 | 1 | 451.05000000 | | 20K0F3E |
| 4 | 1 | 451.05000000 | | 20K0F3E |
| 3 | 1 | 451.13750000 | | 20K0F3E |
| 3 | 1 | 451.23750000 | | 20K0F3E |
| 3 | 1 | 451.36250000 | | 20K0F3E |
| 3 | 1 | 451.48750000 | | 20K0F3E |
| 3 | 1 | 451.58750000 | | 20K0F3E |
| 3 | 1 | 451.68750000 | | 20K0F3E |
| 3 | 1 | 456.03750000 | | 20K0F3E |
| 1 | 1 | 456.05000000 | | 20K0F3E |
| 4 | 1 | 456.05000000 | | 20K0F3E |
| 3 | 1 | 456.13750000 | | 20K0F3E |
| 3 | 1 | 456.23750000 | | 20K0F3E |
| 3 | 1 | 456.36250000 | | 20K0F3E |
| 3 | 1 | 456.48750000 | | 20K0F3E |
| 3 | 1 | 456.58750000 | | 20K0F3E |
| 3 | 1 | 456.68750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | TX | | | | | |
| 2 | T | 1/2 MI E OF HWY 6, HAMMOND, ROBERTSON, TX | 31.09158333, -96.69358333 | 128.000 m | | | N |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 61.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4100 INTERNATIONAL PLZ, FORT WORTH, TX | | 8177310099 |
License history
| Date | File or call sign | Action |
|---|
| 2014-03-08 | WNNG441 | LIEXP |
| 2013-10-21 | WNNG441 | LETRES |
| 2011-08-15 | WNNG441 | LTSAPR |
| 2011-03-21 | WNNG441 | LTSAPR |
| 2007-06-01 | WNNG441 | LIASS |
| 2005-06-06 | WNNG441 | LITRAN |
| 2005-04-07 | WNNG441 | LTSAPR |
| 2003-10-24 | WNNG441 | LIREN |
| 2003-10-06 | WNNG441 | LETRES |
| 2002-01-14 | WNNG441 | AUDOPR |
| 2000-11-24 | WNNG441 | LICCNV |
| 1999-09-30 | WNNG441 | LITRAN |
| 1999-09-30 | WNNG441 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1892965 | 2026-08-02 01:19:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNNG441 | ULS 1892965 | 2026-08-02 01:19:09 |
| Status | E | ULS 1892965 | 2026-08-02 01:19:09 |
| Service | IG | ULS 1892965 | 2026-08-02 01:19:09 |
| Grant Date | 2003-10-24 | ULS 1892965 | 2026-08-02 01:19:09 |
| Expiration Date | 2014-01-03 | ULS 1892965 | 2026-08-02 01:19:09 |
| Cancellation Date | 2014-03-08 | ULS 1892965 | 2026-08-02 01:19:09 |