Year Call Letters Frequency Change
1922 WGF 833 First station in Des Moines -- only lasted about two years
1922 WOI 833 New station - later changed frequency to 640
1922 WHX unknown March 1922 - New Des Moines Station
1922 WHX unknown May 1922 - Station deleted
1922 WBAC unknown Temporary station on air 2 days in April for Kiwanis Club
1922 WEAL unknown Temporary station on air in May from Mystic Shrine special train
1924 WHO 570 New station
1928 WHO 1000 Changed frequency -- Shared time with WOC Davenport
1932 KSO 1370 Moved from Clarinda to Des Moines
1934 KSO 1320 Changed frequency
1935 KRNT 1320 Changed call letters from KSO to KRNT
1935 KSO 1430 Moved KWCR from Cedar Rapids & changed call letters to KSO
1941 KRNT 1350 Changed KRNT's frequency from 1320 to 1350
1941 KSO 1460 Changed KSO's frequency from 1430 to 1460
1941 WHO 1040 Changed WHO's frequency from 1000 to 1040
1944 KSO, KRNT split ownership Cowles kept KRNT, sold KSO
1947 KCBC 1390 New station 1,000 watts directional day and night with same pattern
1948 KIOA 940 New station 10,000 watts daytime, 5,000 watts night 2 directional patterns
1948 KRNT-FM 104.5 New station
1948 KSO-FM 97.3 New station - transmitter at 3900 Broadway
1948 KWDM 1150 New station 1,000 watts directional day and night with 2 patterns
1948 WHO-FM 100.3 New station originally on Equitable Building, later to Mitchellville with 400,000 watts
1949 KCBC-FM 94.1 New station -- broadcast Muzak to city buses - transmitter on top of Equitable Building
1949 WOI-FM 90.1 New station
1950 WOI-TV 4 New Station -- later moved to channel 5
1952 KDPS 88.1 New station
1953 KGTV 17 New UHF TV station used relocated WHO tower moved to 2nd Avenue north of DM
1953 KCBC-FM 94.1 Went off the air - license deleted
1954 WHO-TV 13 New station
1955 KRNT-FM 104.5 Went off the air - license deleted
1955 KRNT-TV 8 New station
1956 KGTV 17 Went off the air - license deleted
1956 KSO-FM 97.3 Went off the air - license deleted
1959 KWKY 1150 Changed call letters from KWDM
1959 KDPS-TV 11 New station Des Moines Public Schools
1960 KDMI 97.3 New station 115,000 watts
1961 KNDR 94.9 New station 3,000 watts
1963 KBAB 1490 New station (licensed to Indianola) later changed to KXLQ
1964 KFMG 94.9 New station after KNDR went off the air - power later raised to 100,000 watts
1964 KWDM 93.3 New station -- previous owner of 1150AM
1967 KLFM 104.1 New station (licensed to Ames) 100,000 watts
1969 KDIN-TV 11 Changed call letters from KDPS-TV - purchased by State of Iowa
1970 KRNT-FM 102.5 New Station
1971 KYNA 93.3 Changed call letters from KWDM
1972 KIOA-FM 93.3 Changed call letters from KYNA
1973 KLYF 100.3 Changed call letters from WHO-FM 100,000 watts located at Alleman
1974 KCCI-TV 8 Changed call letters from KRNT-TV Cowles sold radio stations
1974 KRNQ 102.5 Changed call letters from KRNT-FM "Q-102"
1975 KGGO 94.9 Changed call letters from KFMG "Go 95"
1975 KWBG-FM 98.3 New station (licensed to Boone) later became KRKQ
1976 KMGK 93.3 Changed call letters from KIOA-FM
1976 KPLL 103.3 New station (licensed to Pella)
1976 KWDM 88.7 New station West Des Moines Public Schools
1978 KANY 106.3 New station (licensed to Ankeny)
1980 KXJX 103.3 Changed call letters from KPLL
1981 KEZT 104.1 Changed call letters from KLFM
1981 KUCB 89.3 New station
1981 KJJY 106.3 Changed call letters from KANY
1983 KCBR 17 New station
1983 KMRY 1390 Changed call letters from KCBC
1985 KDSM-TV 17 Changed call letters from KCBR
1986 KKXI 93.3 Changed call letters from KMGK
1986 KFMD 103.3 Changed call lettters from KXJX
1986 KDWZ 93.3 Changed call letters from KKXI
1988 KDMG 103.3 Changed call letters from KFMD
1988 KJJY 92.5 Changed frequency from 106.3 -- 50,000 watts on 92.5
1989 KDFR 91.3 New station
1989 KGGO 1460 Changed call letters from KSO -- KSO call letters retired
1989 KGGO-FM 94.9 Call letters changed to KGGO-FM because KGGO is on 1460
1989 KJJY 1390 Changed call letters from KMRY simultcast of KJJY-FM
1989 KJJY-FM 92.5 Call letters changed to KJJY-FM because KJJY is on 1390
1990 KIOA-FM 93.3 Changed call letters from KDWZ - simulcast KIOA
1990 KKSO 1390 Changed call letters from KJJY
1991 KMXD 106.3 New station on frequency vacated by KJJY
1992 KFMG 103.3 Changed call letters from KDMG
1992 KBBM 99.5 New station Winterset/DesMoines
1993 KSTZ 102.5 Changed call letters from KRNQ
1994 KDMI 1460 Changed call letters from KGGO (AM)
1994 KHKI 97.3 Changed call letters from KDMI
1994 KZZQ 99.5 Changed call letters from KBBM
1995 KKDM 107.5 New station 50,000 watts
1996 KAZR 103.3 Changed call letters from KFMG
1996 KXTK 940 Changed call letters from KIOA
1997 KLTI 104.1 Changed call letters from KEZT
1998 KBGG 1700 Changed frequency from 1390 (KKSO deleted - 1390 vacated)
1998 KYSY 106.3 Changed call letters from KMXD
1998 KMXD 100.3 Changed call letters from KLYF
1998 KFPX (TV) 39 New Station "Pax" network
1999 KLYF 106.3 Changed call letters from KYSY
2000 KJMC 89.3 New station (KUCB license was deleted)
2001 KPWB (TV) 23 New Station
2001 KVJZ 106.3 Changed call letters from KLYF
2001 KXNO 1460 Changed call letters from KDMI
2001 KIOA 93.3 Changed call letters from KIOA-FM
2002 WSJZ 1700 Changed call letters from KBGG on June 6, 2002 (unusual to have new "W" prefix west of Mississippi)
2002 KBGG 1700 Call letters changed back to KBGG on June 20, 2002 (was WSJZ an FCC goof?)
2002 KPSZ 940 Call letters changed from KXTK
2003 KDRB 106.3 Call letters changed from KVJZ in November 2003
2003 KBGG-FM 98.3 Call letters changed from KRKQ in December 2003
2004 KNWI 107.1 (Osceola) simulcastng with KNWM 96.1 (Madrid) studios in West Des Moines
2005 KWQW 98.3 Call letters changed from KBGG-FM in February 2005 - burying ID at top of hour
2005 KDMR 88.9 New Station - Mitchellville (relays KUNI in Cedar Falls)
2006 KDRB 100.3 Call letters changed from KMXD
2006 KPTL 106.3 Call letters changed from KDRB
2006 KGCW-LP 95.7 New Low Power FM station - 32 watts Johnston - Catholic programming
2006 KDMI-DT DT/56 New High definition digital only TV -- no analog signal
2006 KDRA-LP 94.1 New Drake Univ low power FM 80 watts -- Shares time with KGVC at Grandview College
2006 KCWI (TV) 23 Call letters changed from KPWB
2007 KGVC-LP 94.1 New Grandview College low power FM 100 watts -- Shares time with KDRA at Drake Univ
2007 KFMG-LP 99.1 New Low Power FM station - 100 watts from Hotel Fort Des Moines
2010 K260AM 99.9 Translator for KIOA-2
2014 KMYR 104.1 KLTI-FM call letters changed to KMYR
2015 KPUL 101.7 Frequency changed from 99.5 due to KTIA 99.3 move from Boone to Huxley.
2015 KFMG-LP 98.9 Frequency changed from 99.1 due to KTIA 99.3 move from Boone to Huxley
2015 K269EJ 97.7 Iowa Public Radio translator from 101.7 due to KTIA 99.3 move from Boone to Huxley
2015 K243CA 96.5 Translator for KDRB-2
2015 KGVC-LP 94.1 Station deleted. Funding shortage. KDRA-LP now full-time use of frequency.
2015 KPOG-LP 102.9 New Seventh Day Adventist low power FM