Article · Wikipedia archive · Last revised Jun 28, 2026

KJSN

KJSN is a commercial radio station licensed to Modesto, California, United States, known as "Sunny 102.3." Owned by iHeartMedia, Inc., it broadcasts an adult contemporary format, with studios and transmitter both located in Modesto.

Last revised
Jun 28, 2026
Read time
≈ 1 min
Length
223 w
Citations
3
Source
KJSN
Broadcast area
Central California
Frequency102.3 MHz (HD Radio)
BrandingSunny 102.3
Programming
FormatAdult contemporary
AffiliationsCompass Media Networks
Premiere Networks
Ownership
Owner
KFIV, KMRQ, KOSO, KWSX
History
First air date
July 4, 1977 (1977-07-04)
Former call signs
  • KITA (CP, 1975–1977)
  • KFIV-FM (1977–1989)1
Call sign meaning
"Sunny"
Technical information2
Licensing authority
FCC
12960
ClassA
ERP6,000 watts
HAAT88 meters (289 ft)
Transmitter coordinates
37°40′50″N 120°55′26″W / 37.68056°N 120.92389°W / 37.68056; -120.92389
Links
Public license information
WebcastListen live (via iHeartRadio)
Websitesunny102fm.iheart.com

KJSN (102.3 FM) is a commercial radio station licensed to Modesto, California, United States, known as "Sunny 102.3." Owned by iHeartMedia, Inc., it broadcasts an adult contemporary format, with studios and transmitter both located in Modesto.

History

The station first signed on as KFIV-FM on July 4, 1977, with a Top 40 format.3 This was the station that was "portrayed" in the George Lucas film American Graffiti, where Wolfman Jack was supposedly broadcasting from. It was a very popular station in Modesto and was part of youth culture there, until its change to an adult contemporary format in late 1988. In 1989, the station became its present KJSN.

References

References

  1. "FCC History Cards for KJSN".
  2. "Facility Technical Data for KJSN". Licensing and Management System. Federal Communications Commission.
  3. Broadcasting Yearbook 1978 (PDF). Washington: Broadcasting Publications. 1978. p. C-23. Retrieved January 3, 2021 – via World Radio History.
External links