Universal Licensing System
WPNN404
Cellnet Technology, Inc.
License details
| ULS identifier | 1046550 |
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| Call sign | WPNN404 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1998-06-10 |
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| Expiration | 2008-06-10 |
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| Cancellation | 2006-01-19 |
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| Frequency range | 928.21875 - 952.21875 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | DIXON, SOLANO, CA |
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| Coordinates | 38.4229444, -121.7182778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.21875000 | | | | | |
| 1 | 1 | FXO | 952.21875000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.21875000 | | 1K20D1D |
| 1 | 3 | 928.21875000 | | 12K5D1D |
| 1 | 1 | 952.21875000 | | 12K5D1D |
| 1 | 1 | 952.21875000 | | 1K20D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | VARIOUS LOCATIONS, DIXON, SOLANO, CA | 38.42294444, -121.71827778 | | | 6.100 m structure / 6.100 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | S | 10.0000 | 360.0000 | | |
| 2 | 1 | R | | | | 12.2000 | | | |
| 3 | 1 | T | | | S | 12.2000 | 999.0000 | | |
| 4 | 1 | R | | | | 10.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2006-01-20 | WPNN404 | LICAN |
| 2006-01-19 | WPNN404 | ESUAPR |
| 2004-08-09 | WPNN404 | LTSAPR |
| 2004-08-07 | WPNN404 | LIAUA |
| 2004-07-23 | WPNN404 | LIASS |
| 2004-06-04 | WPNN404 | ESUAPR |
| 2004-02-27 | WPNN404 | LIAUA |
| 2004-01-29 | WPNN404 | LITRAN |
| 2002-12-03 | WPNN404 | LIAUA |
| 2002-04-18 | WPNN404 | LIAUA |
| 2002-01-26 | WPNN404 | LIAUA |
| 2001-01-25 | WPNN404 | LIAUA |
| 2000-12-29 | WPNN404 | LIASS |
| 2000-05-16 | WPNN404 | LITRAN |
| 2000-02-04 | WPNN404 | LITRAN |
| 1999-08-14 | WPNN404 | LICCNV |
| 1998-12-24 | WPNN404 | COR |
| 1998-11-17 | WPNN404 | COR |
| 1998-06-10 | WPNN404 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1046550 | 2026-08-02 02:44:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNN404 | ULS 1046550 | 2026-08-02 02:44:27 |
| Status | C | ULS 1046550 | 2026-08-02 02:44:27 |
| Service | MG | ULS 1046550 | 2026-08-02 02:44:27 |
| Grant Date | 1998-06-10 | ULS 1046550 | 2026-08-02 02:44:27 |
| Expiration Date | 2008-06-10 | ULS 1046550 | 2026-08-02 02:44:27 |
| Cancellation Date | 2006-01-19 | ULS 1046550 | 2026-08-02 02:44:27 |