Universal Licensing System
WPNJ486
BACK PORCH RADIO BROADCASTING INC
License details
| ULS identifier | 1044377 |
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| Call sign | WPNJ486 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 1998-02-09 |
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| Expiration | 2003-02-09 |
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| Cancellation | 2003-05-11 |
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| Frequency range | 21575 MHz |
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| Locations | 2 |
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| Representative location | MADISON, DANE, WI |
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| Coordinates | 43.0658056, -89.3995556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-17 04:27:01 |
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Licensee
| Name | BACK PORCH RADIO BROADCASTING INC |
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| Applicant type | C |
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| Location | MADISON, WI |
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| Address | 118 S BEDFORD ST, MADISON, WI, 53703 |
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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 | FXO | 21575.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 21575.00000000 | | 25M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 755 BRAXTON PL, MADISON, DANE, WI | 43.06580556, -89.39955556 | 259.100 m | | 32.300 m structure / 33.200 m overall | |
| 2 | R | | 43.06941667, -89.38927778 | 262.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 40.3000 | 64.4000 | | |
| 1 | 2 | R | | | | 40.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2003-05-11 | WPNJ486 | LIEXP |
| 2002-11-18 | WPNJ486 | LETRES |
| 1999-08-14 | WPNJ486 | LICCNV |
| 1998-02-07 | WPNJ486 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1044377 | 2026-08-17 04:27:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPNJ486 | ULS 1044377 | 2026-08-17 04:27:01 |
| Status | E | ULS 1044377 | 2026-08-17 04:27:01 |
| Service | MG | ULS 1044377 | 2026-08-17 04:27:01 |
| Grant Date | 1998-02-09 | ULS 1044377 | 2026-08-17 04:27:01 |
| Expiration Date | 2003-02-09 | ULS 1044377 | 2026-08-17 04:27:01 |
| Cancellation Date | 2003-05-11 | ULS 1044377 | 2026-08-17 04:27:01 |