Universal Licensing System
WSIP454
ENVIRONMENTAL FIELD SERVICES INC
License details
| ULS identifier | 5146219 |
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| Call sign | WSIP454 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2025-06-05 |
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| Expiration | 2035-06-05 |
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| Frequency range | 456.1875 - 457.1375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | INDIANAPOLIS, MARION, IN |
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| Coordinates | 39.7845278, -86.1581944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:15:17 |
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Licensee
| Name | ENVIRONMENTAL FIELD SERVICES INC |
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| Applicant type | C |
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| FRN | 0007768187 |
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| Location | INDIANAPOLIS, IN |
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| Address | 1302 NORTH MERIDIAN STREEET, SUITE 310, INDIANAPOLIS, IN, 46202 |
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| Phone | 3179168000 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 151.50500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 151.62500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 151.70000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MOI | 151.76000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 456.18750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.13750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.50500000 | | 7K60FXE |
| 1 | 1 | 151.50500000 | | 11K2F3E |
| 1 | 1 | 151.50500000 | | 7K60FXD |
| 1 | 1 | 151.62500000 | | 7K60FXD |
| 1 | 1 | 151.62500000 | | 11K2F3E |
| 1 | 1 | 151.62500000 | | 7K60FXE |
| 1 | 1 | 151.70000000 | | 7K60FXD |
| 1 | 1 | 151.70000000 | | 7K60FXE |
| 1 | 1 | 151.70000000 | | 11K2F3E |
| 1 | 1 | 151.76000000 | | 7K60FXD |
| 1 | 1 | 151.76000000 | | 7K60FXE |
| 1 | 1 | 151.76000000 | | 11K2F3E |
| 2 | 1 | 456.18750000 | | 7K60FXE |
| 2 | 1 | 456.18750000 | | 7K60FXD |
| 2 | 1 | 456.18750000 | | 11K2F3E |
| 2 | 1 | 457.13750000 | | 7K60FXE |
| 2 | 1 | 457.13750000 | | 7K60FXD |
| 2 | 1 | 457.13750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | 1302 NORTH MERIDIAN STREET, SUITE 310, INDIANAPOLIS, MARION, IN | 39.78452778, -86.15819444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1302 NORTH MERIDIAN STREET, SUITE 310, INDIANAPOLIS, IN | MARION | 3179168000 |
License history
| Date | File or call sign | Action |
|---|
| 2026-07-23 | WSIP454 | FRATRE |
| 2026-07-15 | WSIP454 | PNLISR |
| 2026-07-15 | WSIP454 | LETTRS |
| 2026-03-10 | WSIP454 | LETCNS |
| 2025-06-05 | WSIP454 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 5146219 | 2026-08-02 01:15:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSIP454 | ULS 5146219 | 2026-08-02 01:15:17 |
| Status | A | ULS 5146219 | 2026-08-02 01:15:17 |
| Service | IG | ULS 5146219 | 2026-08-02 01:15:17 |
| Grant Date | 2025-06-05 | ULS 5146219 | 2026-08-02 01:15:17 |
| Expiration Date | 2035-06-05 | ULS 5146219 | 2026-08-02 01:15:17 |