Universal Licensing System
WQCK690
Proxy Aviation Systems, Inc.
License details
| ULS identifier | 2705216 |
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| Call sign | WQCK690 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2015-01-24 |
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| Expiration | 2025-03-25 |
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| Cancellation | 2025-05-31 |
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| Frequency range | 452.5 - 464.55 MHz (3 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:26 |
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Licensee
| Name | Proxy Aviation Systems, Inc. |
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| Applicant type | C |
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| FRN | 0012163069 |
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| Location | GAITHERSBURG, MD |
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| Address | 7940 C AIRPARK RD, GAITHERSBURG, MD, 20879 |
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| Phone | 3012162851 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 452.50000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 464.50000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 464.55000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.50000000 | | 11K2F3E |
| 2 | 1 | 464.50000000 | | 11K2F3E |
| 2 | 1 | 464.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 2 | 7940 C AIRPARK RD, GAITHERSBURG, MD | MONTGOMERY | 3012162850 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-31 | WQCK690 | LIEXP |
| 2024-12-30 | WQCK690 | LETRES |
| 2015-01-24 | WQCK690 | LIREN |
| 2014-12-29 | WQCK690 | LETRES |
| 2012-02-25 | WQCK690 | ESCAPR |
| 2012-02-25 | WQCK690 | LIAUA |
| 2012-02-24 | WQCK690 | EFUAPR |
| 2012-02-24 | WQCK690 | ESUAPR |
| 2006-09-07 | WQCK690 | LIMOD |
| 2005-12-27 | WQCK690 | LETCNS |
| 2005-03-25 | WQCK690 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2705216 | 2026-08-02 01:17:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQCK690 | ULS 2705216 | 2026-08-02 01:17:26 |
| Status | E | ULS 2705216 | 2026-08-02 01:17:26 |
| Service | IG | ULS 2705216 | 2026-08-02 01:17:26 |
| Grant Date | 2015-01-24 | ULS 2705216 | 2026-08-02 01:17:26 |
| Expiration Date | 2025-03-25 | ULS 2705216 | 2026-08-02 01:17:26 |
| Cancellation Date | 2025-05-31 | ULS 2705216 | 2026-08-02 01:17:26 |