Universal Licensing System
WRUM975
Communications Direct Inc
License details
| ULS identifier | 4663420 |
|---|
| Call sign | WRUM975 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2022-09-13 |
|---|
| Expiration | 2022-09-25 |
|---|
| Cancellation | 2022-11-26 |
|---|
| Frequency range | 452.9875 - 467.4375 MHz (25 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | San Francisco, SAN FRANCISCO, CA |
|---|
| Coordinates | 37.7845000, -122.4007222 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:51 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.78750000 | | | 10.000000 | 10.000000 | |
| 1 | 1 | FB2 | 451.86250000 | | | 10.000000 | 10.000000 | |
| 1 | 1 | FB2 | 451.93750000 | | | 10.000000 | 10.000000 | |
| 3 | 1 | MO | 452.28750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.76250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 452.98750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.78750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.86250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.93750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.28750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.51250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.76250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.76250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.86250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 457.98750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.21250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.23750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.26250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.28750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.33750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.36250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.38750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 462.43750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.21250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.23750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.26250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.28750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.31250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.33750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.36250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.38750000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.41250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 467.43750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.78750000 | | 7K60FXE |
| 1 | 1 | 451.86250000 | | 7K60FXE |
| 1 | 1 | 451.93750000 | | 7K60FXE |
| 3 | 1 | 452.28750000 | | 7K60FXE |
| 3 | 1 | 452.31250000 | | 7K60FXE |
| 3 | 1 | 452.41250000 | | 7K60FXE |
| 3 | 1 | 452.76250000 | | 7K60FXE |
| 3 | 1 | 452.98750000 | | 7K60FXE |
| 2 | 1 | 456.78750000 | | 7K60FXE |
| 2 | 1 | 456.86250000 | | 7K60FXE |
| 2 | 1 | 456.93750000 | | 7K60FXE |
| 3 | 1 | 457.28750000 | | 7K60FXE |
| 3 | 1 | 457.31250000 | | 7K60FXE |
| 3 | 1 | 457.41250000 | | 7K60FXE |
| 3 | 1 | 457.51250000 | | 7K60FXE |
| 3 | 1 | 457.76250000 | | 7K60FXE |
| 3 | 1 | 457.76250000 | | 7K60FXE |
| 3 | 1 | 457.86250000 | | 7K60FXE |
| 3 | 1 | 457.98750000 | | 7K60FXE |
| 3 | 1 | 462.21250000 | | 7K60FXE |
| 3 | 1 | 462.23750000 | | 7K60FXE |
| 3 | 1 | 462.26250000 | | 7K60FXE |
| 3 | 1 | 462.28750000 | | 7K60FXE |
| 3 | 1 | 462.31250000 | | 7K60FXE |
| 3 | 1 | 462.33750000 | | 7K60FXE |
| 3 | 1 | 462.36250000 | | 7K60FXE |
| 3 | 1 | 462.38750000 | | 7K60FXE |
| 3 | 1 | 462.41250000 | | 7K60FXE |
| 3 | 1 | 462.43750000 | | 7K60FXE |
| 3 | 1 | 467.21250000 | | 7K60FXE |
| 3 | 1 | 467.23750000 | | 7K60FXE |
| 3 | 1 | 467.26250000 | | 7K60FXE |
| 3 | 1 | 467.28750000 | | 7K60FXE |
| 3 | 1 | 467.31250000 | | 7K60FXE |
| 3 | 1 | 467.33750000 | | 7K60FXE |
| 3 | 1 | 467.36250000 | | 7K60FXE |
| 3 | 1 | 467.38750000 | | 7K60FXE |
| 3 | 1 | 467.41250000 | | 7K60FXE |
| 3 | 1 | 467.43750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 747 Howard Street, San Francisco, SAN FRANCISCO, CA | 37.78450000, -122.40072222 | 11.000 m | B | 5.000 m structure / 5.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | San Francisco, SAN FRANCISCO, CA | 37.78450000, -122.40072222 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 5.000 m | | | | -5.100 | |
| 1 | 2 | | | | | | | | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 735 Hunter Drive Unit F, Batavia, IL | KANE | 4064065400 |
Special conditions
| Type | Condition code |
|---|
| P | 5004 |
| T | 1003 |
License history
| Date | File or call sign | Action |
|---|
| 2022-11-26 | WRUM975 | LIEXP |
| 2022-09-13 | WRUM975 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4663420 | 2026-08-02 01:16:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRUM975 | ULS 4663420 | 2026-08-02 01:16:51 |
| Status | E | ULS 4663420 | 2026-08-02 01:16:51 |
| Service | IG | ULS 4663420 | 2026-08-02 01:16:51 |
| Grant Date | 2022-09-13 | ULS 4663420 | 2026-08-02 01:16:51 |
| Expiration Date | 2022-09-25 | ULS 4663420 | 2026-08-02 01:16:51 |
| Cancellation Date | 2022-11-26 | ULS 4663420 | 2026-08-02 01:16:51 |