Universal Licensing System
WPKZ581
License details
| ULS identifier | 1753686 |
|---|---|
| Call sign | WPKZ581 |
| Radio service | IK |
| Status | E |
| Grant date | 1997-10-22 |
| Expiration | 2007-10-22 |
| Cancellation | 2007-12-08 |
| Frequency range | 157.74 MHz |
| Locations | 1 |
| Representative location | ANN ARBOR, WASHTENAW, MI |
| Coordinates | 42.2750278, -83.7360556 |
| Source archive | l_LMcomm.zip |
| Dataset refreshed | 2026-08-02 00:44:30 |
Licensee
| Name | PNI SPECTRUM LLC |
|---|---|
| Applicant type | P |
| FRN | 0001832054 |
| Location | NORCROSS, GA |
| Address | 5801 GOSHEN SPRINGS RD STE D, NORCROSS, GA, 30071 |
| Phone | 7704165931 |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | FB6 | 157.74000000 | 350.000000 | 1250.000000 | |||
| 2 | 1 | FB6 | 157.74000000 | 350.000000 | 1250.000000 | |||
| 3 | 1 | FB6 | 157.74000000 | 350.000000 | 1250.000000 | |||
| 4 | 1 | FB6 | 157.74000000 | 350.000000 | 1250.000000 | |||
| 5 | 1 | FB6 | 157.74000000 | 350.000000 | 1250.000000 | |||
| 6 | 1 | FB6 | 157.74000000 | 350.000000 | 1250.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 1 | 1 | 157.74000000 | 20K0F3E | |
| 1 | 1 | 157.74000000 | 20K0F1D | |
| 2 | 1 | 157.74000000 | 20K0F3E | |
| 3 | 1 | 157.74000000 | 20K0F3E | |
| 4 | 1 | 157.74000000 | 20K0F3E | |
| 5 | 1 | 157.74000000 | 20K0F3E | |
| 6 | 1 | 157.74000000 | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 1011 CEDAR LAKE RD, HOWELL, LIVINGSTON, MI | 42.58141667, -83.99077778 | 290.000 m | TOWER | 94.000 m structure / 94.000 m overall | N |
| 2 | T | 1776 GENESEE TOWERS, FLINT, GENESEE, MI | 43.01586111, -83.68994444 | 123.000 m | BTWR | 91.000 m structure / 97.000 m overall | N |
| 3 | T | 25271 WALTZ RD, WALTZ, WAYNE, MI | 42.12200000, -83.40077778 | 190.000 m | TOWER | 88.000 m structure / 88.000 m overall | N |
| 4 | T | 536 S FOREST AVE, ANN ARBOR, WASHTENAW, MI | 42.27502778, -83.73605556 | 268.000 m | BTWR | 56.000 m structure / 66.000 m overall | N |
| 5 | T | 17480 TERRITORIAL RD, CHELSEA, WASHTENAW, MI | 42.38169444, -84.03077778 | 314.000 m | TOWER | 55.000 m structure / 58.000 m overall | N |
| 6 | T | 2142 COUNTY FARM RD, SAINT JOHNS, CLINTON, MI | 42.98502778, -84.55330556 | 232.000 m | TOWER | 91.000 m structure / 91.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 76.000 m | 0.000 | |||||
| 1 | 2 | T | 97.000 m | 0.000 | |||||
| 1 | 3 | T | 88.000 m | 0.000 | |||||
| 1 | 4 | T | 66.000 m | 0.000 | |||||
| 1 | 5 | T | 58.000 m | 0.000 | |||||
| 1 | 6 | T | 91.000 m | 0.000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 5801 GOSHEN SPRINGS RD STE D, NORCROSS, GA | 7704165931 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2007-12-08 | WPKZ581 | LIEXP |
| 2007-07-30 | WPKZ581 | LETRES |
| 2001-07-07 | WPKZ581 | LITRAN |
| 2000-11-23 | WPKZ581 | LICCNV |
| 1998-12-17 | WPKZ581 | AUTHPR |
| 1997-10-22 | WPKZ581 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 1753686 | 2026-08-02 00:44:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPKZ581 | ULS 1753686 | 2026-08-02 00:44:30 |
| Status | E | ULS 1753686 | 2026-08-02 00:44:30 |
| Service | IK | ULS 1753686 | 2026-08-02 00:44:30 |
| Grant Date | 1997-10-22 | ULS 1753686 | 2026-08-02 00:44:30 |
| Expiration Date | 2007-10-22 | ULS 1753686 | 2026-08-02 00:44:30 |
| Cancellation Date | 2007-12-08 | ULS 1753686 | 2026-08-02 00:44:30 |