Universal Licensing System
KB50892
DIAMOND SCIENTIFIC CO
License details
| ULS identifier | 1899520 |
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| Call sign | KB50892 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1998-11-16 |
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| Expiration | 2004-01-26 |
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| Cancellation | 2004-03-28 |
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| Frequency range | 462.2 MHz |
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| Locations | 1 |
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| Representative location | POLK, IA |
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| Coordinates | 41.5600000, -93.5296667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:27 |
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Licensee
| Name | DIAMOND SCIENTIFIC CO |
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| Applicant type | C |
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| FRN | 0002573228 |
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| Location | DES MOINES, IA |
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| Address | 2538 SE 43RD ST, DES MOINES, IA, 50317 |
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| Phone | 5152638600 |
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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 | MO | 462.20000000 | | | 5.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 2 | 1 | 462.20000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 2 | T | POLK, IA | 41.56000000, -93.52966667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | | | 5152638600 |
License history
| Date | File or call sign | Action |
|---|
| 2004-03-28 | KB50892 | LIEXP |
| 2003-11-03 | KB50892 | LETRES |
| 2001-09-24 | KB50892 | AUDOPR |
| 2000-11-24 | KB50892 | LICCNV |
| 1998-11-16 | KB50892 | AUTHPR |
| 1998-11-16 | KB50892 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1899520 | 2026-08-02 01:13:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KB50892 | ULS 1899520 | 2026-08-02 01:13:27 |
| Status | E | ULS 1899520 | 2026-08-02 01:13:27 |
| Service | IG | ULS 1899520 | 2026-08-02 01:13:27 |
| Grant Date | 1998-11-16 | ULS 1899520 | 2026-08-02 01:13:27 |
| Expiration Date | 2004-01-26 | ULS 1899520 | 2026-08-02 01:13:27 |
| Cancellation Date | 2004-03-28 | ULS 1899520 | 2026-08-02 01:13:27 |