Universal Licensing System
WNWB903
TWIN STATES ENGINEERING & CHEMICAL CO
License details
| ULS identifier | 1682991 |
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| Call sign | WNWB903 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-03-04 |
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| Expiration | 2001-04-15 |
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| Cancellation | 2001-06-17 |
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| Frequency range | 464.05 - 469.05 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | JANESVILLE, ROCK, WI |
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| Coordinates | 42.6855556, -89.1512222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:22 |
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Licensee
| Name | TWIN STATES ENGINEERING & CHEMICAL CO |
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| Applicant type | C |
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| Location | DAVENPORT, IA |
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| Address | 3541 E KIMBERLY RD, DAVENPORT, IA, 52807 |
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| Phone | 6087551003 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | FB4 | 464.05000000 | | | 75.000000 | 150.000000 | |
| 1 | 1 | FX1 | 469.05000000 | | | 25.000000 | | |
| 3 | 1 | MO | 469.05000000 | | | 25.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.05000000 | | 20K0F3E |
| 1 | 1 | 469.05000000 | | 20K0F3E |
| 3 | 1 | 469.05000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | WI | | | | | |
| 2 | T | INT OF HWY 184 & MINERAL POINT RD, JANESVILLE, ROCK, WI | 42.68555556, -89.15122222 | 293.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 118.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3631 POLZIN RD, JANESVILLE, WI | | 6087551003 |
License history
| Date | File or call sign | Action |
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| 2001-11-29 | WNWB903 | AUDCAN |
| 2001-06-17 | WNWB903 | LIEXP |
| 2001-01-25 | WNWB903 | LETRES |
| 2000-11-23 | WNWB903 | LICCNV |
| 1996-03-05 | WNWB903 | AUTHPR |
| 1996-03-04 | WNWB903 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1682991 | 2026-08-02 01:28:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNWB903 | ULS 1682991 | 2026-08-02 01:28:22 |
| Status | E | ULS 1682991 | 2026-08-02 01:28:22 |
| Service | IG | ULS 1682991 | 2026-08-02 01:28:22 |
| Grant Date | 1996-03-04 | ULS 1682991 | 2026-08-02 01:28:22 |
| Expiration Date | 2001-04-15 | ULS 1682991 | 2026-08-02 01:28:22 |
| Cancellation Date | 2001-06-17 | ULS 1682991 | 2026-08-02 01:28:22 |