Universal Licensing System
KTB423
American Airlines Group, Inc.
License details
| ULS identifier | 1638674 |
|---|
| Call sign | KTB423 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-04-14 |
|---|
| Expiration | 2035-03-14 |
|---|
| Frequency range | 460.775 - 465.775 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | SAINT THOMAS, ST. THOMAS, VI |
|---|
| Coordinates | 18.3349722, -64.9722222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:20:06 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 460.77500000 | | | 20.000000 | 20.000000 | |
| 2 | 1 | MO | 460.77500000 | | | 3.000000 | 3.000000 | |
| 2 | 1 | MO | 465.77500000 | | | 3.000000 | 3.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 460.77500000 | | 7K60FXD |
| 1 | 1 | 460.77500000 | | 11K0F3E |
| 1 | 1 | 460.77500000 | | 7K60FXE |
| 2 | 1 | 460.77500000 | | 11K0F3E |
| 2 | 1 | 460.77500000 | | 7K60FXD |
| 2 | 1 | 460.77500000 | | 7K60FXE |
| 2 | 1 | 465.77500000 | | 7K60FXD |
| 2 | 1 | 465.77500000 | | 7K60FXE |
| 2 | 1 | 465.77500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HARRY S TRUMAN AIRPORT CHARLOTTE AMALIE, SAINT THOMAS, ST. THOMAS, VI | 18.33497222, -64.97222222 | 0.000 m | B | 7.000 m structure / 7.000 m overall | N |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 7.000 m | | | | 6.100 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | AMERICAN AIRLINES OPERATIONS OFFICE CHARLOTTE AMALIE, ST THOMAS, VI | | 9182924024 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-15 | KTB423 | FRATRE |
| 2026-05-20 | KTB423 | LETTRS |
| 2026-05-20 | KTB423 | PNLISR |
| 2026-01-13 | KTB423 | LETCNS |
| 2025-04-14 | KTB423 | LIREN |
| 2024-12-16 | KTB423 | LETRES |
| 2018-06-07 | KTB423 | LIAUA |
| 2014-12-30 | KTB423 | LIREN |
| 2014-12-22 | KTB423 | PLRRPR |
| 2013-12-09 | KTB423 | LIASS |
| 2013-05-31 | KTB423 | LTSAPR |
| 2013-05-01 | KTB423 | LIMOD |
| 2012-12-25 | KTB423 | LTSAPR |
| 2012-02-14 | KTB423 | LIAUA |
| 2012-02-13 | KTB423 | ESUAPR |
| 2012-01-27 | KTB423 | LIASS |
| 2012-01-10 | KTB423 | LIAUA |
| 2012-01-09 | KTB423 | ESUAPR |
| 2012-01-06 | KTB423 | ESUAPR |
| 2005-01-04 | KTB423 | LIREN |
| 2004-12-20 | KTB423 | LETRES |
| 2002-08-01 | KTB423 | AUDOPR |
| 2002-01-29 | KTB423 | LIAUA |
| 2000-11-23 | KTB423 | LICCNV |
| 2000-01-10 | KTB423 | LIREN |
| 2000-01-10 | KTB423 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1638674 | 2026-08-02 01:20:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KTB423 | ULS 1638674 | 2026-08-02 01:20:06 |
| Status | A | ULS 1638674 | 2026-08-02 01:20:06 |
| Service | IG | ULS 1638674 | 2026-08-02 01:20:06 |
| Grant Date | 2025-04-14 | ULS 1638674 | 2026-08-02 01:20:06 |
| Expiration Date | 2035-03-14 | ULS 1638674 | 2026-08-02 01:20:06 |