Universal Licensing System
WPMY684
HYDROLOGIC WATER MANAGEMENT SYSTEMS
License details
| ULS identifier | 1803340 |
|---|
| Call sign | WPMY684 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2004-05-26 |
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| Expiration | 2014-03-31 |
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| Cancellation | 2014-05-31 |
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| Frequency range | 151.625 - 469.55 MHz (14 frequencies) |
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| Locations | 3 |
|---|
| Representative location | HENNEPIN, MN |
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| Coordinates | 44.9899722, -93.4043889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:25:28 |
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Licensee
| Name | HYDROLOGIC WATER MANAGEMENT SYSTEMS |
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| Applicant type | C |
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| FRN | 0009708843 |
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| Location | PLYMOUTH, MN |
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| Address | 10300 10TH AVE NORTH, PLYMOUTH, MN, 554415020 |
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| Phone | 7635421188 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 151.62500000 | | | 2.000000 | | |
| 3 | 1 | MO | 151.95500000 | | | 2.000000 | | |
| 2 | 1 | MO | 457.52500000 | | | 2.000000 | | |
| 2 | 1 | MO | 457.55000000 | | | 2.000000 | | |
| 2 | 1 | MO | 457.57500000 | | | 2.000000 | | |
| 2 | 1 | MO | 457.60000000 | | | 2.000000 | | |
| 1 | 1 | MOI | 464.50000000 | | | 2.000000 | | |
| 1 | 1 | MOI | 464.55000000 | | | 2.000000 | | |
| 3 | 1 | MO | 464.60000000 | | | 2.000000 | | |
| 3 | 1 | MO | 464.62500000 | | | 2.000000 | | |
| 3 | 1 | MO | 464.65000000 | | | 2.000000 | | |
| 3 | 1 | MO | 464.70000000 | | | 2.000000 | | |
| 1 | 1 | MOI | 469.50000000 | | | 2.000000 | | |
| 1 | 1 | MOI | 469.55000000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.62500000 | | 20K0F1D |
| 1 | 1 | 151.62500000 | | 20K0F3E |
| 3 | 1 | 151.95500000 | | 20K0F1D |
| 3 | 1 | 151.95500000 | | 20K0F3E |
| 2 | 1 | 457.52500000 | | 20K0F1D |
| 2 | 1 | 457.55000000 | | 20K0F1D |
| 2 | 1 | 457.57500000 | | 20K0F1D |
| 2 | 1 | 457.60000000 | | 20K0F1D |
| 1 | 1 | 464.50000000 | | 20K0F1D |
| 1 | 1 | 464.50000000 | | 20K0F3E |
| 1 | 1 | 464.55000000 | | 20K0F1D |
| 1 | 1 | 464.55000000 | | 20K0F3E |
| 3 | 1 | 464.60000000 | | 20K0F3E |
| 3 | 1 | 464.60000000 | | 20K0F1D |
| 3 | 1 | 464.62500000 | | 20K0F1D |
| 3 | 1 | 464.62500000 | | 20K0F3E |
| 3 | 1 | 464.65000000 | | 20K0F3E |
| 3 | 1 | 464.65000000 | | 20K0F1D |
| 3 | 1 | 464.70000000 | | 20K0F1D |
| 3 | 1 | 464.70000000 | | 20K0F3E |
| 1 | 1 | 469.50000000 | | 20K0F1D |
| 1 | 1 | 469.50000000 | | 20K0F3E |
| 1 | 1 | 469.55000000 | | 20K0F3E |
| 1 | 1 | 469.55000000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | HENNEPIN, MN | 44.98997222, -93.40438889 | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 10300 10TH AVE NORTH, PLYMOUTH, MN | HENNEPIN | 7635421188 |
License history
| Date | File or call sign | Action |
|---|
| 2014-05-31 | WPMY684 | LIEXP |
| 2014-01-06 | WPMY684 | LETRES |
| 2007-05-03 | WPMY684 | LTSAPR |
| 2007-05-03 | WPMY684 | LIAUA |
| 2004-05-26 | WPMY684 | LIREN |
| 2004-05-26 | WPMY684 | COR |
| 2004-01-05 | WPMY684 | LETRES |
| 2003-10-30 | WPMY684 | LIASS |
| 2000-11-23 | WPMY684 | LICCNV |
| 1999-03-31 | WPMY684 | LIISS |
| 1999-03-31 | WPMY684 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1803340 | 2026-08-02 01:25:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMY684 | ULS 1803340 | 2026-08-02 01:25:28 |
| Status | E | ULS 1803340 | 2026-08-02 01:25:28 |
| Service | IG | ULS 1803340 | 2026-08-02 01:25:28 |
| Grant Date | 2004-05-26 | ULS 1803340 | 2026-08-02 01:25:28 |
| Expiration Date | 2014-03-31 | ULS 1803340 | 2026-08-02 01:25:28 |
| Cancellation Date | 2014-05-31 | ULS 1803340 | 2026-08-02 01:25:28 |