Universal Licensing System
KTB790
WDON INCORPORATED
License details
| ULS identifier | 1124326 |
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| Call sign | KTB790 |
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| Radio service | RP |
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| Status | E |
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| Grant date | 1978-10-01 |
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| Expiration | 1980-10-01 |
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| Cancellation | 2000-09-24 |
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| Frequency range | 455.65 - 455.75 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | WHEATON, MONTGOMERY, MD |
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| Coordinates | 39.0403889, -77.0549722 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-09 00:48:31 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 455.65000000 | | | 20.000000 | | |
| 2 | 1 | MO | 455.65000000 | | | 20.000000 | | |
| 1 | 1 | FB | 455.75000000 | | | 20.000000 | | |
| 2 | 1 | MO | 455.75000000 | | | 20.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 455.65000000 | | 100KF3E |
| 2 | 1 | 455.65000000 | | 100KF3E |
| 1 | 1 | 455.75000000 | | 100KF3E |
| 2 | 1 | 455.75000000 | | 100KF3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2647 UNIVERSITY BLVD W, WHEATON, MONTGOMERY, MD | 39.04038889, -77.05497222 | | | | N |
| 2 | T | WHEATON, MONTGOMERY, MD | 39.04038889, -77.05497222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 101.000 m | | | | | |
| 1 | 2 | T | | 101.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2000-09-24 | KTB790 | LIEXP |
| 2000-09-15 | KTB790 | LICCNV |
| 1978-10-01 | KTB790 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1124326 | 2026-08-09 00:48:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KTB790 | ULS 1124326 | 2026-08-09 00:48:31 |
| Status | E | ULS 1124326 | 2026-08-09 00:48:31 |
| Service | RP | ULS 1124326 | 2026-08-09 00:48:31 |
| Grant Date | 1978-10-01 | ULS 1124326 | 2026-08-09 00:48:31 |
| Expiration Date | 1980-10-01 | ULS 1124326 | 2026-08-09 00:48:31 |
| Cancellation Date | 2000-09-24 | ULS 1124326 | 2026-08-09 00:48:31 |