Universal Licensing System
KDH257
SIMPSON AND SIMPSON INC
License details
| ULS identifier | 1845936 |
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| Call sign | KDH257 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-04-24 |
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| Expiration | 2001-04-24 |
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| Cancellation | 2001-06-24 |
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| Frequency range | 47.48 MHz |
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| Locations | 2 |
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| Representative location | AUBURN, PLACER, CA |
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| Coordinates | 38.8790556, -121.1202222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:16 |
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Licensee
| Name | SIMPSON AND SIMPSON INC |
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| Applicant type | C |
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| Location | AUBURN, CA |
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| Address | AUBURN, CA, 95604 |
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| Phone | 9168854354 |
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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 | FB | 47.48000000 | | | 300.000000 | | |
| 3 | 1 | MO | 47.48000000 | | | 100.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 47.48000000 | | 20K0F3E |
| 3 | 1 | 47.48000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 2 | T | OLD HWY 40 & OPHIR RD, AUBURN, PLACER, CA | 38.87905556, -121.12022222 | 290.000 m | | | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 2 | T | | 17.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | CA | | 9168854354 |
License history
| Date | File or call sign | Action |
|---|
| 2001-11-23 | KDH257 | AUDCAN |
| 2001-06-24 | KDH257 | LIEXP |
| 2001-01-29 | KDH257 | LETRES |
| 2000-11-23 | KDH257 | LICCNV |
| 1996-04-24 | KDH257 | LIREN |
| 1996-04-24 | KDH257 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1845936 | 2026-08-02 01:27:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KDH257 | ULS 1845936 | 2026-08-02 01:27:16 |
| Status | E | ULS 1845936 | 2026-08-02 01:27:16 |
| Service | IG | ULS 1845936 | 2026-08-02 01:27:16 |
| Grant Date | 1996-04-24 | ULS 1845936 | 2026-08-02 01:27:16 |
| Expiration Date | 2001-04-24 | ULS 1845936 | 2026-08-02 01:27:16 |
| Cancellation Date | 2001-06-24 | ULS 1845936 | 2026-08-02 01:27:16 |