Universal Licensing System
WRDB477
Bolt Equipment Company LLC
License details
| ULS identifier | 4135630 |
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| Call sign | WRDB477 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-03-19 |
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| Expiration | 2029-03-19 |
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| Frequency range | 451.8 - 456.8125 MHz (3 frequencies) |
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| Locations | 1 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:38 |
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Licensee
| Name | Bolt Equipment Company LLC |
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| Applicant type | L |
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| FRN | 0028190585 |
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| Location | Lombard, IL |
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| Address | 207 Eisenhower Lane S, Lombard, IL, 60146 |
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| Phone | 3123510409 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 451.80000000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MOI | 451.81250000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | MOI | 456.81250000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.80000000 | | 7K60FXE |
| 1 | 1 | 451.81250000 | | 7K60FXE |
| 1 | 1 | 456.81250000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 207 Eisenhower Lane S, Lombard, IL | DUPAGE | 3123510409 |
License history
| Date | File or call sign | Action |
|---|
| 2019-03-19 | WRDB477 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4135630 | 2026-08-02 01:22:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDB477 | ULS 4135630 | 2026-08-02 01:22:38 |
| Status | A | ULS 4135630 | 2026-08-02 01:22:38 |
| Service | IG | ULS 4135630 | 2026-08-02 01:22:38 |
| Grant Date | 2019-03-19 | ULS 4135630 | 2026-08-02 01:22:38 |
| Expiration Date | 2029-03-19 | ULS 4135630 | 2026-08-02 01:22:38 |