Universal Licensing System
WPJZ237
GROTH SERVICES
License details
| ULS identifier | 1742761 |
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| Call sign | WPJZ237 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-01-19 |
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| Expiration | 2011-12-19 |
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| Cancellation | 2012-02-18 |
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| Frequency range | 463.625 - 468.625 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | MANCHESTER, DELAWARE, IA |
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| Coordinates | 42.5488611, -91.4726389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:26 |
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Licensee
| Name | GROTH SERVICES |
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| Applicant type | C |
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| FRN | 0006021083 |
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| Location | MANCHESTER, IA |
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| Address | RR 3, MANCHESTER, IA, 52057 |
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| Phone | 3199275823 |
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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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| 1 | 1 | FB2C | 463.62500000 | | | 35.000000 | 140.000000 | |
| 2 | 1 | MO | 463.62500000 | | | 35.000000 | | |
| 2 | 1 | MO | 468.62500000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.62500000 | | 20K0F3E |
| 2 | 1 | 463.62500000 | | 20K0F3E |
| 2 | 1 | 468.62500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3 MI N ON HWY 13, MANCHESTER, DELAWARE, IA | 42.54886111, -91.47263889 | 329.000 m | TOWER | 17.000 m structure / 21.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 21.000 m | | | | 12.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | RR 3, MANCHESTER, IA | | 3199285823 |
License history
| Date | File or call sign | Action |
|---|
| 2012-02-18 | WPJZ237 | LIEXP |
| 2011-09-26 | WPJZ237 | LETRES |
| 2002-01-19 | WPJZ237 | LIREN |
| 2001-12-03 | WPJZ237 | AUDOPR |
| 2001-09-24 | WPJZ237 | LETRES |
| 2000-11-23 | WPJZ237 | LICCNV |
| 1996-12-19 | WPJZ237 | AUTHPR |
| 1996-12-19 | WPJZ237 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1742761 | 2026-08-02 01:15:26 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPJZ237 | ULS 1742761 | 2026-08-02 01:15:26 |
| Status | E | ULS 1742761 | 2026-08-02 01:15:26 |
| Service | IG | ULS 1742761 | 2026-08-02 01:15:26 |
| Grant Date | 2002-01-19 | ULS 1742761 | 2026-08-02 01:15:26 |
| Expiration Date | 2011-12-19 | ULS 1742761 | 2026-08-02 01:15:26 |
| Cancellation Date | 2012-02-18 | ULS 1742761 | 2026-08-02 01:15:26 |