Universal Licensing System
WQPK254
Essex Telecom, Inc
License details
| ULS identifier | 3385025 |
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| Call sign | WQPK254 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 2012-06-11 |
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| Expiration | 2022-06-11 |
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| Cancellation | 2022-08-13 |
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| Frequency range | 23325 MHz |
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| Locations | 2 |
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| Representative location | Naperville, DUPAGE, IL |
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| Coordinates | 41.8108056, -88.2020278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:34 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23325.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23325.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2255 Monarch Dr, Naperville, DUPAGE, IL | 41.81080556, -88.20202778 | 218.900 m | B | 24.400 m structure / 24.400 m overall | |
| 2 | R | | 41.80055556, -88.23611111 | 224.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | WB Manufacturing OS-R2/OSF-R2-23C | | H | 40.3000 | 248.1000 | | |
| 1 | 2 | R | WB Manufacturing OS-R2/OSF-R2-23C | | | 40.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-08-13 | WQPK254 | LIEXP |
| 2022-03-21 | WQPK254 | LETRES |
| 2018-11-07 | WQPK254 | LITRAN |
| 2016-11-17 | WQPK254 | LIAUA |
| 2016-11-15 | WQPK254 | LIAUA |
| 2016-10-07 | WQPK254 | LIAUA |
| 2016-07-06 | WQPK254 | LIAUA |
| 2016-07-05 | WQPK254 | ESUAPR |
| 2014-09-05 | WQPK254 | LIASS |
| 2014-08-27 | WQPK254 | ESUAPR |
| 2012-06-11 | WQPK254 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3385025 | 2026-08-02 02:47:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQPK254 | ULS 3385025 | 2026-08-02 02:47:34 |
| Status | E | ULS 3385025 | 2026-08-02 02:47:34 |
| Service | CF | ULS 3385025 | 2026-08-02 02:47:34 |
| Grant Date | 2012-06-11 | ULS 3385025 | 2026-08-02 02:47:34 |
| Expiration Date | 2022-06-11 | ULS 3385025 | 2026-08-02 02:47:34 |
| Cancellation Date | 2022-08-13 | ULS 3385025 | 2026-08-02 02:47:34 |