Universal Licensing System
WQKN274
AVIATION PORT SERVICES
License details
| ULS identifier | 3119882 |
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| Call sign | WQKN274 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2009-07-21 |
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| Expiration | 2019-07-21 |
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| Cancellation | 2019-09-21 |
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| Frequency range | 456.825 - 457.65 MHz (4 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 01:21:49 |
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Licensee
| Name | AVIATION PORT SERVICES |
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| Applicant type | C |
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| FRN | 0027328459 |
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| Location | OAKLAND, CA |
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| Address | 8517 EARHEART RD, OAKLAND, CA, 94621 |
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| Phone | 5107175473 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 456.82500000 | | | 4.000000 | 4.000000 | |
| 1 | 2 | MO | 457.22500000 | | | 4.000000 | 4.000000 | |
| 1 | 3 | MO | 457.35000000 | | | 4.000000 | 4.000000 | |
| 1 | 4 | MO | 457.65000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 456.82500000 | | 11K3F3E |
| 1 | 2 | 457.22500000 | | 11K3F3E |
| 1 | 3 | 457.35000000 | | 11K3F3E |
| 1 | 4 | 457.65000000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 2 | 1 | | | | | | | | |
| 3 | 1 | | | | | | | | |
| 4 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8517 EARHEART RD., OAKLAND, CA | ALAMEDA | 5107175473 |
License history
| Date | File or call sign | Action |
|---|
| 2019-09-21 | WQKN274 | LIEXP |
| 2019-04-29 | WQKN274 | LETRES |
| 2009-07-21 | WQKN274 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3119882 | 2026-08-02 01:21:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQKN274 | ULS 3119882 | 2026-08-02 01:21:49 |
| Status | E | ULS 3119882 | 2026-08-02 01:21:49 |
| Service | IG | ULS 3119882 | 2026-08-02 01:21:49 |
| Grant Date | 2009-07-21 | ULS 3119882 | 2026-08-02 01:21:49 |
| Expiration Date | 2019-07-21 | ULS 3119882 | 2026-08-02 01:21:49 |
| Cancellation Date | 2019-09-21 | ULS 3119882 | 2026-08-02 01:21:49 |