Universal Licensing System
WRFD429
OptimERA Holdings, Inc.
License details
| ULS identifier | 4247645 |
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| Call sign | WRFD429 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-02-05 |
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| Expiration | 2030-02-05 |
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| Frequency range | 17820 MHz |
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| Locations | 2 |
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| Representative location | Unalaska, ALEUTIANS WEST, AK |
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| Coordinates | 53.8831944, -166.5530278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
| 1 | 1 | 17820.00000000 | | 80M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 487 Salmon Way Suite 101, Unalaska, ALEUTIANS WEST, AK | 53.88319444, -166.55302778 | 5.800 m | B | 12.000 m structure / 13.000 m overall | |
| 2 | R | | 53.87555556, -166.54194444 | 88.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | CommScope VHLP1-18 | | V | 34.6000 | 139.5000 | | |
| 1 | 2 | R | CommScope VHLP1-18 | | | 34.6000 | | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2022-05-17 | WRFD429 | LIAUA |
| 2020-02-05 | WRFD429 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4247645 | 2026-08-02 02:45:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFD429 | ULS 4247645 | 2026-08-02 02:45:27 |
| Status | A | ULS 4247645 | 2026-08-02 02:45:27 |
| Service | CF | ULS 4247645 | 2026-08-02 02:45:27 |
| Grant Date | 2020-02-05 | ULS 4247645 | 2026-08-02 02:45:27 |
| Expiration Date | 2030-02-05 | ULS 4247645 | 2026-08-02 02:45:27 |