Universal Licensing System
WPYN634
Comprehensive Emission Services, Inc.
License details
| ULS identifier | 2548386 |
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| Call sign | WPYN634 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-08-30 |
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| Expiration | 2033-09-16 |
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| Frequency range | 451.3125 - 451.8125 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | West Des Moines, POLK, IA |
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| Coordinates | 41.6866111, -93.8748333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.31250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 451.41250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 451.46250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 451.81250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.31250000 | | 11K2F3E |
| 1 | 1 | 451.41250000 | | 11K2F3E |
| 1 | 1 | 451.46250000 | | 11K2F3E |
| 2 | 1 | 451.81250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | West Des Moines, POLK, IA | 41.68661111, -93.87483333 | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1112 Maple St, West Des Moines, IA | POLK | 5152257372 |
License history
| Date | File or call sign | Action |
|---|
| 2023-08-30 | WPYN634 | LIREN |
| 2023-06-26 | WPYN634 | LETRES |
| 2022-11-16 | WPYN634 | LIAUA |
| 2013-08-22 | WPYN634 | LIREN |
| 2013-08-21 | WPYN634 | ESCAPR |
| 2013-06-24 | WPYN634 | LETRES |
| 2003-09-16 | WPYN634 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2548386 | 2026-08-02 01:16:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYN634 | ULS 2548386 | 2026-08-02 01:16:19 |
| Status | A | ULS 2548386 | 2026-08-02 01:16:19 |
| Service | IG | ULS 2548386 | 2026-08-02 01:16:19 |
| Grant Date | 2023-08-30 | ULS 2548386 | 2026-08-02 01:16:19 |
| Expiration Date | 2033-09-16 | ULS 2548386 | 2026-08-02 01:16:19 |