Universal Licensing System
WNEL947
IBM RESEARCH AND DEVELOPMENT INC
License details
| ULS identifier | 1012096 |
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| Call sign | WNEL947 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 1991-01-17 |
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| Expiration | 1996-01-17 |
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| Frequency range | 21825 - 21925 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | BOULDER, BOULDER, CO |
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| Coordinates | 40.0713611, -105.2074722 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:10 |
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Licensee
| Name | IBM RESEARCH AND DEVELOPMENT INC |
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| Applicant type | C |
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| Location | WHITE PLAINS, NY |
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| Address | 1311 MAMARONECK AVENUE, WHITE PLAINS, NY, 10605 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 2 | FXO | 21925.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21825.00000000 | | 25M0F9W |
| 1 | 2 | 21925.00000000 | | 25M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6285 LOOKOUT RD, BOULDER, BOULDER, CO | 40.07136111, -105.20747222 | 1569.700 m | | 12.200 m structure / 12.200 m overall | |
| 2 | R | | 40.08886111, -105.19830556 | 1572.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 33.0000 | 21.9000 | | |
| 1 | 2 | R | | | | 33.0000 | | | |
| 2 | 1 | T | | | H | 33.0000 | 21.9000 | | |
| 2 | 2 | R | | | | 33.0000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-14 | WNEL947 | LICCNV |
| 1991-01-17 | WNEL947 | LIMOD |
| 1990-12-12 | WNEL947 | LIMOD |
| 1990-12-08 | WNEL947 | LIMOD |
| 1986-01-10 | WNEL947 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1012096 | 2026-08-02 02:48:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNEL947 | ULS 1012096 | 2026-08-02 02:48:10 |
| Status | E | ULS 1012096 | 2026-08-02 02:48:10 |
| Service | MG | ULS 1012096 | 2026-08-02 02:48:10 |
| Grant Date | 1991-01-17 | ULS 1012096 | 2026-08-02 02:48:10 |
| Expiration Date | 1996-01-17 | ULS 1012096 | 2026-08-02 02:48:10 |