Ostenta presents: The Birth of KCFR
FM 90.1 Denver 1970 - "Colorado Free Radio"
 

FIRST FM BROADCASTS
KCFR-FM signed on in mono first time, stereo thereafter.

D/L First sign-on. Nov. 4, 1970 6pm MST MP3/30MB/32min

Listen to Windows Media stream ~ Real Audio stream


D/L
Second sign-on. Nov. 5, 1970 6pm MST MP3/11MB/12 min

Listen to Windows Media stream ~ Real Audio stream

(the initial "hiss" sound here is a creative rain storm effect bed; nothing wrong with the transmitter nor the reception!; as well, the LP vinyl records are in lousy shape - pops, ticks, and groove noise that were routine staples of music listening before digital media such as CDs)

STUDIO PICTURES OCTOBER 1970
The first KCFR broadcasts above came from this building.
Previous to FM upgrade, station was carrier current AM KVDU to
the Denver University campus only (hi-res jpgs).  The
decrepit building was later demolished.
Studio building ~ Production studio ~ Manager's Office
 
TRANSMITTER SITE PICTURES OCTOBER 1970
Original site was on Denver University library tower.
ERP was 19 watts.
Antenna and tower ~ Transmitter1 ~ Transmitter2

View from transmitter tower to NNW ~
To W
 
All photos, recordings, and media transfers
by James Duncan, RF Engineer 10/70-2/71
James Duncan - 2010 40 years later

KCFR/KVOD Colorado Public Radio 40 years later

Current KCFR technical info

Current KVOD technical info


Other historic radio station information and audio:
KSFR, San Francisco, California
1958-1968

KFAT, Gilroy, California 1973-1982

K
ŌAN, Scotts Valley, California ID package - 4:33 -  of pirate classical
station shut down by FCC July 31, 1979  = FM 107.9 - 6 watts ERP/1200'
and AM 1600 - 30 watts simulcast -  R.I.P.

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