Universal Licensing System
WNMA870
ROBERTS BROS EXCAVATING
License details
| ULS identifier | 1663786 |
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| Call sign | WNMA870 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-04-14 |
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| Expiration | 2003-06-30 |
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| Cancellation | 2003-09-07 |
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| Frequency range | 463.55 - 468.55 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | THREE RIVERS, ST. JOSEPH, MI |
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| Coordinates | 41.8614444, -85.6550000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:51 |
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Licensee
| Name | ROBERTS BROS EXCAVATING |
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| Applicant type | C |
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| FRN | 0002747806 |
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| Location | THREE RIVERS, MI |
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| Address | 57610 STOLDT RD, THREE RIVERS, MI, 49093 |
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| Phone | 6162448033 |
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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 | 463.55000000 | | | 75.000000 | 142.000000 | |
| 3 | 1 | MO | 463.55000000 | | | 30.000000 | | |
| 1 | 1 | FX1 | 468.55000000 | | | 30.000000 | | |
| 3 | 1 | MO | 468.55000000 | | | 30.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 463.55000000 | | 20K0F3E |
| 3 | 1 | 463.55000000 | | 20K0F3E |
| 1 | 1 | 468.55000000 | | 20K0F3E |
| 3 | 1 | 468.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MI | | | | | |
| 2 | T | 11015 S CONSTANTINE, THREE RIVERS, ST. JOSEPH, MI | 41.86144444, -85.65500000 | 247.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 62.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 57532 STOLDT RD, THREE RIVERS, MI | | 6162448033 |
License history
| Date | File or call sign | Action |
|---|
| 2003-09-07 | WNMA870 | LIEXP |
| 2003-04-07 | WNMA870 | LETRES |
| 2002-01-03 | WNMA870 | AUDOPR |
| 2000-11-23 | WNMA870 | LICCNV |
| 1998-04-14 | WNMA870 | LIREN |
| 1998-04-14 | WNMA870 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1663786 | 2026-08-02 01:12:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNMA870 | ULS 1663786 | 2026-08-02 01:12:51 |
| Status | E | ULS 1663786 | 2026-08-02 01:12:51 |
| Service | IG | ULS 1663786 | 2026-08-02 01:12:51 |
| Grant Date | 1998-04-14 | ULS 1663786 | 2026-08-02 01:12:51 |
| Expiration Date | 2003-06-30 | ULS 1663786 | 2026-08-02 01:12:51 |
| Cancellation Date | 2003-09-07 | ULS 1663786 | 2026-08-02 01:12:51 |