Universal Licensing System
WRDD689
Iota Spectrum Partners, LP
License details
| ULS identifier | 4145576 |
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| Call sign | WRDD689 |
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| Radio service | YM |
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| Status | A |
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| Grant date | 2019-04-03 |
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| Expiration | 2029-04-03 |
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| Frequency range | 809 - 854.1625 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | STERLING, LOGAN, CO |
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| Coordinates | 40.6093056, -103.1473611 |
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| Source archive | l_LMcomm.zip |
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| Dataset refreshed | 2026-08-02 00:44:27 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 809.00000000 | 824.00000000 | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 854.13750000 | | | 25.000000 | 65.450000 | |
| 1 | 1 | FB2 | 854.16250000 | | | 25.000000 | 65.450000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 809.00000000 | | 20K0F1D |
| 1 | 1 | 854.13750000 | | 20K0F1D |
| 1 | 1 | 854.16250000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 14 MILES SW, STERLING, LOGAN, CO | 40.60930556, -103.14736111 | 1252.400 m | LTOWER | 46.000 m structure / 49.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 40.200 m | V | 5.1000 | 360.0000 | 32.800 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 600 Hamilton St. Ste 1010, Allentown, PA | LEHIGH | 8557436478 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-12 | WRDD689 | LIAUA |
| 2020-07-07 | WRDD689 | LIAUA |
| 2020-05-19 | WRDD689 | LIASS |
| 2019-04-03 | WRDD689 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4145576 | 2026-08-02 00:44:27 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDD689 | ULS 4145576 | 2026-08-02 00:44:27 |
| Status | A | ULS 4145576 | 2026-08-02 00:44:27 |
| Service | YM | ULS 4145576 | 2026-08-02 00:44:27 |
| Grant Date | 2019-04-03 | ULS 4145576 | 2026-08-02 00:44:27 |
| Expiration Date | 2029-04-03 | ULS 4145576 | 2026-08-02 00:44:27 |