Universal Licensing System
WRJZ477
License details
| ULS identifier | 4357443 |
|---|---|
| Call sign | WRJZ477 |
| Radio service | IG |
| Status | A |
| Grant date | 2020-11-24 |
| Expiration | 2030-11-24 |
| Frequency range | 451.975 - 464.45 MHz (6 frequencies) |
| Locations | 1 |
| Representative location | Edmore, MONTCALM, MI |
| Coordinates | 43.4316667, -85.2047222 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:18:58 |
Licensee
| Name | Greenmark Equipment |
|---|---|
| Applicant type | C |
| FRN | 0019124742 |
| Location | Three Rivers, MI |
| Address | 16700 Heimbach Rd, Three Rivers, MI, 49093 |
| Phone | 2692731200 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 | FB6 | 451.97500000 | 25.000000 | 100.000000 | |||
| 1 | 1 | FB6 | 452.02500000 | 25.000000 | 100.000000 | |||
| 6 | 1 | FB6 | 461.55000000 | 25.000000 | 100.000000 | |||
| 5 | 1 | FB6 | 462.12500000 | 25.000000 | 100.000000 | |||
| 3 | 1 | FB6 | 463.68750000 | 25.000000 | 50.000000 | |||
| 4 | 1 | FB6 | 464.45000000 | 25.000000 | 100.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 2 | 1 | 451.97500000 | 11K2F1D | |
| 1 | 1 | 452.02500000 | 11K2F1D | |
| 6 | 1 | 461.55000000 | 11K2F1D | |
| 5 | 1 | 462.12500000 | 11K2F1D | |
| 3 | 1 | 463.68750000 | 11K2F1D | |
| 4 | 1 | 464.45000000 | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 15691 North Street, Three Rivers, ST. JOSEPH, MI | 41.99900000, -85.65019444 | 246.400 m | LTOWER | 22.000 m structure / 25.900 m overall | |
| 2 | T | 24951 Fawn River Road, Sturgis, ST. JOSEPH, MI | 41.78072222, -85.46897222 | 270.000 m | SILO | 30.500 m structure / 36.600 m overall | |
| 3 | T | 60648 52nd Ave, Hartford, VAN BUREN, MI | 42.23025000, -86.13530556 | 231.000 m | SILO | 33.500 m structure / 33.500 m overall | |
| 4 | T | 243984 Ashton Rd, Edwardsburg, CASS, MI | 41.83127778, -86.03652778 | 255.000 m | SILO | 37.000 m structure / 41.000 m overall | N |
| 5 | T | 6658 Mill Street, Riverdale, GRATIOT, MI | 43.38822222, -84.83430556 | 240.000 m | SILO | 30.000 m structure / 34.000 m overall | N |
| 6 | T | 200' North of Intersection M-46 and NW Lake Rd, Edmore, MONTCALM, MI | 43.43166667, -85.20472222 | 301.000 m | SILO | 40.000 m structure / 46.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 25.900 m | 24.000 | |||||
| 1 | 2 | T | 36.600 m | 40.400 | |||||
| 1 | 3 | T | 33.500 m | 48.900 | |||||
| 1 | 4 | T | 35.000 m | 37.000 | |||||
| 1 | 5 | T | 34.000 m | 22.100 | |||||
| 1 | 6 | T | 46.000 m | 64.400 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 16700 Heimbach Rd, Three Rivers, MI | ST. JOSEPH | 2692731200 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2022-09-08 | WRJZ477 | LIMOD |
| 2021-12-14 | WRJZ477 | LIMOD |
| 2021-04-20 | WRJZ477 | LIMOD |
| 2020-11-24 | WRJZ477 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4357443 | 2026-08-02 01:18:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRJZ477 | ULS 4357443 | 2026-08-02 01:18:58 |
| Status | A | ULS 4357443 | 2026-08-02 01:18:58 |
| Service | IG | ULS 4357443 | 2026-08-02 01:18:58 |
| Grant Date | 2020-11-24 | ULS 4357443 | 2026-08-02 01:18:58 |
| Expiration Date | 2030-11-24 | ULS 4357443 | 2026-08-02 01:18:58 |