Universal Licensing System
WPNN434
Northern Natural Gas Company
License details
| ULS identifier | 1046578 |
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| Call sign | WPNN434 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 2018-06-13 |
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| Expiration | 2028-07-27 |
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| Cancellation | 2021-05-19 |
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| Frequency range | 928.05625 MHz |
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| Locations | 1 |
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| Representative location | OFFSHORE, GULF OF MEXICO, GM |
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| Coordinates | 27.9630278, -96.5658333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.05625000 | | | | | |
| 1 | 1 | FXO | 952.05625000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.05625000 | | 12K5F2W |
| 1 | 1 | 952.05625000 | | 12K5F2W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | OFFSHORE PLATFORM IN MATAGORDA 686, OFFSHORE, GULF OF MEXICO, GM | 27.96302778, -96.56583333 | 0.000 m | RIG | 30.500 m structure / 30.500 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | DECIBEL DB589Y | | V | 11.1000 | 360.0000 | | |
| 2 | 1 | R | SCALA TY-900 | | | 12.2000 | | | |
| 3 | 1 | T | SCALA TY-900 | | V | 12.2000 | 360.0000 | | |
| 4 | 1 | R | DECIBEL DB589Y | | | 11.1000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-20 | WPNN434 | LICAN |
| 2018-06-13 | WPNN434 | LIREN |
| 2018-04-30 | WPNN434 | LETRES |
| 2016-03-05 | WPNN434 | LIAUA |
| 2016-03-04 | WPNN434 | ESUAPR |
| 2014-03-13 | WPNN434 | LIMOD |
| 2013-12-23 | WPNN434 | ESUAPR |
| 2008-07-19 | WPNN434 | LIREN |
| 2008-05-23 | WPNN434 | LIAUA |
| 2008-05-22 | WPNN434 | ESUAPR |
| 2008-05-05 | WPNN434 | LETRES |
| 2006-02-09 | WPNN434 | LITRAN |
| 2005-08-18 | WPNN434 | LIAUA |
| 2005-08-10 | WPNN434 | ESUAPR |
| 2004-02-20 | WPNN434 | LIAUA |
| 2002-08-16 | WPNN434 | LITRAN |
| 2002-01-31 | WPNN434 | LITRAN |
| 2001-12-02 | WPNN434 | LITRAN |
| 2001-04-06 | WPNN434 | LIASS |
| 1999-08-14 | WPNN434 | LICCNV |
| 1998-11-25 | WPNN434 | COR |
| 1998-07-27 | WPNN434 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1046578 | 2026-08-02 02:45:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNN434 | ULS 1046578 | 2026-08-02 02:45:18 |
| Status | C | ULS 1046578 | 2026-08-02 02:45:18 |
| Service | MG | ULS 1046578 | 2026-08-02 02:45:18 |
| Grant Date | 2018-06-13 | ULS 1046578 | 2026-08-02 02:45:18 |
| Expiration Date | 2028-07-27 | ULS 1046578 | 2026-08-02 02:45:18 |
| Cancellation Date | 2021-05-19 | ULS 1046578 | 2026-08-02 02:45:18 |