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| Broadcast area | Seattle metropolitan area |
| Frequency | 99.9 MHz (HD Radio) |
| Branding | 99.9 The Rock KISW |
| Programming | |
| Language(s) | English |
| Format | Mainstream rock |
| Ownership | |
| Owner |
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| History | |
First air date | January 18, 1950 |
Call sign meaning | In Seattle, Washington |
| Technical information[1] | |
Licensing authority | FCC |
| Facility ID | 47750 |
| Class | C |
| ERP | 68,000 watts |
| HAAT | 707 meters (2,320 ft) |
Transmitter coordinates | 47°30′13″N 121°58′33″W / 47.503722°N 121.975944°W |
| Links | |
Public license information | |
| Webcast | Listen live (via Audacy) |
| Website | www |
KISW (99.9 FM) is a radio station broadcasting a mainstream rock format in Seattle, Washington. It is owned by Audacy, Inc. and has studios in Downtown Seattle and a transmitter on Tiger Mountain in Issaquah. In addition to a standard analog transmission, KISW broadcasts using HD Radio technology and is available online via Audacy.
On the air since 1950, KISW was originally a fine music station before Kaye-Smith shifted it to a rock format in 1971. It has continued in the rock format since under various owners; live shows include The Mens Room afternoon show, which for a time was nationally syndicated.
- ^ "Facility Technical Data for KISW". Licensing and Management System. Federal Communications Commission.