Universal Licensing System
KOF310
Simpson Investment Company
License details
| ULS identifier | 1769841 |
|---|
| Call sign | KOF310 |
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| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2015-03-07 |
|---|
| Expiration | 2025-03-13 |
|---|
| Cancellation | 2025-05-17 |
|---|
| Frequency range | 451.7 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | SHELTON, MASON, WA |
|---|
| Coordinates | 47.2070278, -123.0968056 |
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| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:12:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 451.70000000 | | | 25.000000 | 79.000000 | |
| 2 | 1 | MO | 451.70000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.70000000 | | 11K2F3E |
| 2 | 1 | 451.70000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SORT YD OFC 10 MI W, SHELTON, MASON, WA | 47.20702778, -123.09680556 | 213.000 m | | 9.000 m structure / 9.000 m overall | N |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | SORT YD OFC 10 MI W, SHELTON, WA | MASON | 2537796419 |
License history
| Date | File or call sign | Action |
|---|
| 2025-05-17 | KOF310 | LIEXP |
| 2024-12-16 | KOF310 | LETRES |
| 2015-03-07 | KOF310 | LIREN |
| 2014-12-15 | KOF310 | LETRES |
| 2013-07-16 | KOF310 | LIMOD |
| 2008-12-17 | KOF310 | LIAUA |
| 2008-12-16 | KOF310 | ESUAPR |
| 2005-12-22 | KOF310 | LIAUA |
| 2005-12-21 | KOF310 | ESUAPR |
| 2005-03-30 | KOF310 | LIAUA |
| 2005-03-29 | KOF310 | ESUAPR |
| 2005-03-08 | KOF310 | LIAUA |
| 2005-03-08 | KOF310 | LIREN |
| 2005-03-08 | KOF310 | ESCAPR |
| 2005-03-07 | KOF310 | EFUAPR |
| 2005-03-07 | KOF310 | ESUAPR |
| 2005-03-05 | KOF310 | ESCAPR |
| 2005-03-04 | KOF310 | ESUAPR |
| 2005-03-04 | KOF310 | EFUAPR |
| 2004-12-20 | KOF310 | LETRES |
| 2002-01-11 | KOF310 | AUDOPR |
| 2001-12-05 | KOF310 | LIAUA |
| 2001-08-24 | KOF310 | LIAUA |
| 2000-11-23 | KOF310 | LICCNV |
| 2000-01-14 | KOF310 | LIREN |
| 2000-01-14 | KOF310 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1769841 | 2026-08-02 01:12:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KOF310 | ULS 1769841 | 2026-08-02 01:12:42 |
| Status | E | ULS 1769841 | 2026-08-02 01:12:42 |
| Service | IG | ULS 1769841 | 2026-08-02 01:12:42 |
| Grant Date | 2015-03-07 | ULS 1769841 | 2026-08-02 01:12:42 |
| Expiration Date | 2025-03-13 | ULS 1769841 | 2026-08-02 01:12:42 |
| Cancellation Date | 2025-05-17 | ULS 1769841 | 2026-08-02 01:12:42 |