Universal Licensing System
KD21572
SPRING AIR MATRESS COMPANY OF COLORADO
License details
| ULS identifier | 1601574 |
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| Call sign | KD21572 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1997-10-08 |
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| Expiration | 2002-10-30 |
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| Cancellation | 2002-05-16 |
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| Frequency range | 464.5625 - 464.7125 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | DENVER, CO |
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| Coordinates | 36.7494722, -104.9900000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:27:36 |
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Licensee
| Name | SPRING AIR MATRESS COMPANY OF COLORADO |
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| Applicant type | C |
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| Location | DENVER, CO |
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| Address | 1055 S JASON ST, DENVER, CO, 80223 |
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| Phone | 3037776683 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MO | 464.56250000 | | | 2.000000 | | |
| 1 | 1 | MO | 464.71250000 | | | 2.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.56250000 | | 20K0F3E |
| 1 | 1 | 464.71250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DENVER, CO | 36.74947222, -104.99000000 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1055 S JASON ST, DENVER, CO | | 3037776683 |
License history
| Date | File or call sign | Action |
|---|
| 2002-05-16 | KD21572 | LITERM |
| 2001-11-26 | KD21572 | AUDCAN |
| 2000-11-22 | KD21572 | LICCNV |
| 1997-10-08 | KD21572 | AUTHPR |
| 1997-10-08 | KD21572 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1601574 | 2026-08-02 01:27:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KD21572 | ULS 1601574 | 2026-08-02 01:27:36 |
| Status | T | ULS 1601574 | 2026-08-02 01:27:36 |
| Service | IG | ULS 1601574 | 2026-08-02 01:27:36 |
| Grant Date | 1997-10-08 | ULS 1601574 | 2026-08-02 01:27:36 |
| Expiration Date | 2002-10-30 | ULS 1601574 | 2026-08-02 01:27:36 |
| Cancellation Date | 2002-05-16 | ULS 1601574 | 2026-08-02 01:27:36 |