Universal Licensing System
KTL431
Charles County Public Schools
License details
| ULS identifier | 1217865 |
|---|
| Call sign | KTL431 |
|---|
| Radio service | PW |
|---|
| Status | E |
|---|
| Grant date | 2011-10-13 |
|---|
| Expiration | 2022-01-09 |
|---|
| Cancellation | 2022-03-12 |
|---|
| Frequency range | 46.54 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | PROMFRET, CHARLES, MD |
|---|
| Coordinates | 38.5678889, -77.1513611 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:08:43 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 46.54000000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 46.54000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GALE BAILEY ELEMENTARY SCHOOL RT 1 BOX 76, PROMFRET, CHARLES, MD | 38.56788889, -77.15136111 | 40.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | GALE BAILEY ELEMENTARY SCHOOL RT 1 BOX 76, PROMFRET, MD | | 3019326610 |
License history
| Date | File or call sign | Action |
|---|
| 2022-03-12 | KTL431 | LIEXP |
| 2021-12-30 | KTL431 | ESURNW |
| 2021-12-10 | KTL431 | ESURNW |
| 2021-11-10 | KTL431 | ESURNW |
| 2021-10-18 | KTL431 | LETRES |
| 2011-10-13 | KTL431 | LIREN |
| 2011-10-11 | KTL431 | ESURNW |
| 2002-05-13 | KTL431 | AUDOPR |
| 2001-12-13 | KTL431 | LIREN |
| 2000-10-20 | KTL431 | LICCNV |
| 1996-10-29 | KTL431 | AUTHPR |
| 1996-10-29 | KTL431 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1217865 | 2026-08-02 01:08:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KTL431 | ULS 1217865 | 2026-08-02 01:08:43 |
| Status | E | ULS 1217865 | 2026-08-02 01:08:43 |
| Service | PW | ULS 1217865 | 2026-08-02 01:08:43 |
| Grant Date | 2011-10-13 | ULS 1217865 | 2026-08-02 01:08:43 |
| Expiration Date | 2022-01-09 | ULS 1217865 | 2026-08-02 01:08:43 |
| Cancellation Date | 2022-03-12 | ULS 1217865 | 2026-08-02 01:08:43 |