Universal Licensing System
WPLZ835
DIRECTIONAL BORING TECHNOLOGIES INC
License details
| ULS identifier | 1834996 |
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| Call sign | WPLZ835 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-04-29 |
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| Expiration | 2003-04-29 |
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| Cancellation | 2003-08-03 |
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| Frequency range | 469.5 - 469.55 MHz (2 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 01:27:12 |
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Licensee
| Name | DIRECTIONAL BORING TECHNOLOGIES INC |
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| Applicant type | C |
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| Location | AUBURN HILLS, MI |
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| Address | 70 S SQUIRREL RD STE X, AUBURN HILLS, MI, 48326 |
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| Phone | 2488537020 |
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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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| 1 | 1 | MOI | 469.50000000 | | | 0.100000 | 0.100000 | |
| 1 | 1 | MOI | 469.55000000 | | | 0.100000 | 0.100000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 469.50000000 | | 8K40F2D |
| 1 | 1 | 469.55000000 | | 8K40F2D |
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 |
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| 1 | | | 2488537020 |
License history
| Date | File or call sign | Action |
|---|
| 2003-08-03 | WPLZ835 | LIEXP |
| 2003-02-03 | WPLZ835 | LETRES |
| 2000-11-23 | WPLZ835 | LICCNV |
| 1998-04-29 | WPLZ835 | AUTHPR |
| 1998-04-29 | WPLZ835 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1834996 | 2026-08-02 01:27:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPLZ835 | ULS 1834996 | 2026-08-02 01:27:12 |
| Status | E | ULS 1834996 | 2026-08-02 01:27:12 |
| Service | IG | ULS 1834996 | 2026-08-02 01:27:12 |
| Grant Date | 1998-04-29 | ULS 1834996 | 2026-08-02 01:27:12 |
| Expiration Date | 2003-04-29 | ULS 1834996 | 2026-08-02 01:27:12 |
| Cancellation Date | 2003-08-03 | ULS 1834996 | 2026-08-02 01:27:12 |