Universal Licensing System
WKF4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1979699 |
|---|
| Call sign | WKF4 |
|---|
| Radio service | AF |
|---|
| Status | C |
|---|
| Grant date | 2003-06-17 |
|---|
| Expiration | 2008-08-03 |
|---|
| Cancellation | 2006-03-29 |
|---|
| Frequency range | 129.175 - 130.7 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | CHANTILLY, LOUDOUN, VA |
|---|
| Coordinates | 38.9442778, -77.4569444 |
|---|
| Source archive | l_coast.zip |
|---|
| Dataset refreshed | 2026-08-02 02:08:30 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 129.17500000 | | | 55.000000 | | LL |
| 1 | 1 | FA | 130.70000000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.17500000 | | 6K00A3E |
| 1 | 1 | 130.70000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DULLES INTERNATIONAL AIRPORT, CHANTILLY, LOUDOUN, VA | 38.94427778, -77.45694444 | 95.000 m | B | 11.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-03-30 | WKF4 | LICAN |
| 2006-03-07 | WKF4 | AUTHPR |
| 2006-01-01 | WKF4 | LIASS |
| 2005-07-25 | WKF4 | ESCAPR |
| 2003-06-17 | WKF4 | LIREN |
| 2003-05-12 | WKF4 | LETRES |
| 2001-04-27 | WKF4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1979699 | 2026-08-02 02:08:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WKF4 | ULS 1979699 | 2026-08-02 02:08:30 |
| Status | C | ULS 1979699 | 2026-08-02 02:08:30 |
| Service | AF | ULS 1979699 | 2026-08-02 02:08:30 |
| Grant Date | 2003-06-17 | ULS 1979699 | 2026-08-02 02:08:30 |
| Expiration Date | 2008-08-03 | ULS 1979699 | 2026-08-02 02:08:30 |
| Cancellation Date | 2006-03-29 | ULS 1979699 | 2026-08-02 02:08:30 |