Universal Licensing System
WQHK641
Information Innovators Inc
License details
| ULS identifier | 2939871 |
|---|
| Call sign | WQHK641 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2007-08-23 |
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| Expiration | 2017-08-23 |
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| Cancellation | 2017-10-28 |
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| Frequency range | 451.7375 - 452.1125 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | Washington, Washington, DC |
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| Coordinates | 38.8767778, -77.0041111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:18:37 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 451.73750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.03750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.11250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 461.73750000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 461.73750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 466.73750000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 451.73750000 | | 11K2F3E |
| 3 | 1 | 452.03750000 | | 11K2F3E |
| 3 | 1 | 452.11250000 | | 11K2F3E |
| 1 | 1 | 461.73750000 | | 11K2F3E |
| 2 | 1 | 461.73750000 | | 11K2F3E |
| 2 | 1 | 466.73750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1200 New Jersey Avenue, S.E., Washignton, Washington, DC | 38.87677778, -77.00411111 | 12.000 m | B | 30.500 m structure / 30.500 m overall | |
| 2 | T | | | | | | |
| 3 | T | Washington, Washington, DC | 38.87677778, -77.00411111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 9.100 m | | | | -30.200 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1200 New Jersey Ave SE, Washington, DC | Washington | 2022077444 |
| 2 | 1200 New Jersey Ave, SE, Washington, DC | Washington | 7035744363 |
License history
| Date | File or call sign | Action |
|---|
| 2017-10-28 | WQHK641 | LIEXP |
| 2017-05-29 | WQHK641 | LETRES |
| 2008-08-13 | WQHK641 | LIAUA |
| 2008-08-12 | WQHK641 | ESUAPR |
| 2008-05-28 | WQHK641 | LETCNS |
| 2007-08-23 | WQHK641 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2939871 | 2026-08-02 01:18:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQHK641 | ULS 2939871 | 2026-08-02 01:18:37 |
| Status | E | ULS 2939871 | 2026-08-02 01:18:37 |
| Service | IG | ULS 2939871 | 2026-08-02 01:18:37 |
| Grant Date | 2007-08-23 | ULS 2939871 | 2026-08-02 01:18:37 |
| Expiration Date | 2017-08-23 | ULS 2939871 | 2026-08-02 01:18:37 |
| Cancellation Date | 2017-10-28 | ULS 2939871 | 2026-08-02 01:18:37 |