Universal Licensing System
WRDU823
KLINGER, CHRIS
License details
| ULS identifier | 4182991 |
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| Call sign | WRDU823 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-25 |
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| Expiration | 2029-07-25 |
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| Frequency range | 452.975 - 457.975 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | MARSHFIELD, PLYMOUTH, MA |
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| Coordinates | 42.1108333, -70.7041667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:06:08 |
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Licensee
| Name | KLINGER, CHRIS |
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| Applicant type | I |
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| FRN | 0018887836 |
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| Location | MERRIMACK, NH |
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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 | FB2 | 452.97500000 | | | 50.000000 | 200.000000 | |
| 2 | 1 | MO | 452.97500000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 457.97500000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.97500000 | | 11K2F3E |
| 1 | 1 | 452.97500000 | | 7K60FXE |
| 2 | 1 | 452.97500000 | | 11K2F3E |
| 2 | 1 | 452.97500000 | | 7K60FXE |
| 2 | 1 | 457.97500000 | | 11K2F3E |
| 2 | 1 | 457.97500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 117 GROVE ST, MARSHFIELD, PLYMOUTH, MA | 42.11083333, -70.70416667 | 30.400 m | GTOWER | 138.700 m structure / 139.600 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 139.600 m | V | 6.0000 | | 160.100 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 68 Industrial Boulevard, HANSEN, MA | PLYMOUTH | 7812935182 |
License history
| Date | File or call sign | Action |
|---|
| 2019-07-25 | WRDU823 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4182991 | 2026-08-02 01:06:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU823 | ULS 4182991 | 2026-08-02 01:06:08 |
| Status | A | ULS 4182991 | 2026-08-02 01:06:08 |
| Service | IG | ULS 4182991 | 2026-08-02 01:06:08 |
| Grant Date | 2019-07-25 | ULS 4182991 | 2026-08-02 01:06:08 |
| Expiration Date | 2029-07-25 | ULS 4182991 | 2026-08-02 01:06:08 |