22 March – The Voice of Firestone becomes the first radio program to be aired on both AM and FM radio stations.
12 May – Don McNeill's Breakfast Club appears on television for the first time, via a simulcast on both ABC Radio and ABC TV. The telecast is seen in Philadelphia, Baltimore, Washington and New York. Because ABC-TV's New York flagship station WJZ-TV had not signed on yet (and would not for another three months), DuMont flagship WABD carried it live.
(undated) - WDXB, Chattanooga, Tennessee, begins broadcasting on 1490 kHz with 250 W power (full-time).[9]
(undated) – WOKZ-FM, Alton, Illinois, begins broadcasting on 99.9 MHz.[10]
(undated) – -WROV-FM, Roanoke, Virginia, begins broadcasting on 103.7 MHz.[11]
(undated) – KCFM-FM, Kansas City, Missouri, begins broadcasting on 94.9 MHz.[12]
(undated) – KDAC, Fort Bragg, California, begins broadcasting on 1230 kHz with 250 W power (full-time).[13]
(undated) January – WXAL, Demopolis, Alabama, begins broadcasting on 1400 kHz.[14]
(undated) January – WIST-FM, Charlotte, North Carolina, begins broadcasting on 104.7 MHz.[15]
(undated) January – WLET-FM, Toccoa, Georgia, begins broadcasting on 102.9 MHz.[16]
(undated) November – KFAM-FM, St. Cloud, Minnesota, begins broadcasting on 104.7 MHz.[17]
1 January – WLCR, Torrington, Connecticut, begins broadcasting on 990 kHz with 1 KW power (daytime only).[18]
1 January – WBUZ-FM, Bradbury Heights, Maryland, begins broadcasting on 96.7 MHz.[19]
7 January – KVVC, Ventura, California, begins broadcasting on 1590 kHz with 1 KW power (full-time).[20]
10 January – WTWA, Thomson, Georgia, begins broadcasting as a Mutual affiliate on 1240 kHz with 250 W power.
14 January – WSAC, Columbus, Georgia, a Mutual affiliate, begins broadcasting on 1460 kHz with 1 KW power.[21]
19 January – WKOW, Madison, Wisconsin, begins broadcasting on 1070 kHz with 10 KW power (full-time).[22]
24 January – KERN-FM, Bakersfield, California, begins broadcasting on 94.1 MHz.[23]
26 January – WJOC, Jamestown, New York, begins broadcasting on 1470 kHz with 1 KW power (daytime).[24]
31 January – KYSM-FM, Mankato, Minnesota, begins operation at 103.5 mc.[25]
31 January – KLEE, Houston, Texas, begins broadcasting on 610 kHz with 5 KW power.[26]
1 February – WATO, Oak Ridge, Tennessee, begins broadcasting on 1490 MHz with 250 W power (full-time).[27]
2 February – WIBG-FM, Philadelphia, Pennsylvania, begins broadcasting on 94.1 MHz.[28]
4 February – WOKZ, Alton, Illinois, begins broadcasting.[10]
14 February – WHNY-FM, Watertown, N.Y., begins operation.[29]
18 February – WIRL, Peoria, Illinois, begins operation on 1290 kHz with 5 KW power (full-time).[30]
18 February – WFLB, Fayetteville, North Carolina, begins broadcasting on 1490 kHz with 250 W power.[31]
25 February – KRKL, Kirkland, Washington, begins operation as a 250-watt daytime station with studios and transmitter in the Kirkland Recreation Center.[32]
28 February – WSSB, Durham, North Carolina, begins broadcasting on 1490 kHz with 250 W power (full-time).[33]
29 February – KEXO, Grand Junction, Colorado, begins broadcasting on 1230 kHz with 250 W power (full-time).[34]
(undated) March – WGGG, Gainesville, Florida, begins broadcasting on 1230 kHz with 250 W power.[35]
(undated) – KICM, Mason City, Iowa, begins broadcasting on 1490 kHz with 250 W power (full-time).[36]
1 March – WTAD-FM, Quincy, Illinois, begins broadcasting on 99.5 MHz.[37]
1 March – KRIC-FM, Beaumont, Texas, begins broadcasting on 99.5 MHz.[38]
8 March – WFGN, Gaffney, South Carolina, begins broadcasting on 1570 kHz with 250 W power (daytime).[39]
11 March – WPDX-FM, Clarksburg, West Virginia, begins broadcasting on 95.1 MHz.[40]
14 March – WMCP, Baltimore, Maryland, begins operation on 94.7 MHz.[41]
15 March – WLIV-FM, Providence, Rhode Island, begins broadcasting on 107.7 MHz with 20 KW power.[42]
21 March – KRLD-FM, Dallas, Texas, begins broadcasting on 92.5 MHz.[43]
29 March – WTHT-FM, Hartford, Connecticut, begins broadcasting.[44]
30 March – KNX-FM, Hollywood, California, begins broadcasting on 93.1 MHz.[45]
30 March – WMOX-FM, Meridian, Mississippi, begins broadcasting on 98.6 MHz.[46]
3 April – WUSN, Charleston, South Carolina, begins broadcasting on 1450 kHz with 250 W power (full-time).[47]
3 April – KBEE-FM, Modesto, California, begins broadcasting on 103.3 MHz.[48]
4 April – WCNB and WCNB-FM, Connersville, Indiana, begin broadcasting on 1580 kHz and 101.3 MHz, respectively.[49]
14 April – WDXY-FM, Spartanburg, South Carolina, begins broadcasting on 100.5 MHz.[50]
17 April -WPRO-FM, Providence, Rhode Island, begins broadcasting on 92.3 MHz.[51]
19 April – WAMS and WAMS-FM, Wilmington, Delaware, begin broadcasting on 1380 kHz and 96.1 MHz, respectively.[52]
22 April – WNAE-FM, Warren, Pennsylvania, begins broadcasting on 92.1 MHz.[53]
24 April – KWOS-FM, Jefferson City, Missouri, begins broadcasting on 98.5 MHz.[54]
25 April – KROX, Crookstown, Minnesota, begins broadcasting on 1050 kHz with 1 KW power (daytime).[55]
25 April – KGLO-FM, Mason City, Iowa, begins broadcasting on 101.1 MHz.[56]
25 April – WSAT, Salisbury, North Carolina, begins broadcasting on 1280 kHz with 1 KW power (daytime).[57]
(undated) May – KWAK begins broadcasting on 1240 kHz with 250 W power (full-time).[58]
2 May – KENI, Anchorage, Alaska, begins broadcasting on 550 kHz with 5 KW power (full-time).[59]
2 May – WOCB-FM, West Yarmouth, Massachusetts, begins broadcasting on 94.3 MHz.[60]
2 May – WTYC, Rock Hill, South Carolina, begins broadcasting on 1150 kHz with 1 KW power (daytime).[61]
3 May – KLX-FM, Oakland, California, begins broadcasting on 101.3 MHz.[62]
6 May – WALE, Fall River, Massachusetts, begins broadcasting on 1400 kHz with 250 W power (full-time).[63]
14 May – WLAL-FM, Lakewood, Ohio, begins broadcasting on 104.9 MHz.[64]
15 May – WASA, Havre de Grace, Maryland, begins broadcasting on 1600 kHz with 500 W power (daytime).[65]
16 May – KTLN, Denver, Colorado, begins broadcasting on 990 kHz with 1 KW power (daytime).[66]
16 May – KSMI, Seminole, Oklahoma, begins broadcasting on 1260 kHz with 500 W power (daytime).[67]
16 May – WMLS, Sylacauga, Alabama, begins broadcasting on 1290 kHz with 1 KW power (daytime).
23 May – WJLD-FM, Birmingham, Alabama, begins broadcasting on 104.7 MHz.[68]
24 May – WWXL, Peoria, Illinois, begins broadcasting on 1590 kHz with 1 KW power (full-time).[69]
27 May – WKTY, La Crosse, Wisconsin, begins broadcasting on 580 kHz with 1 KW power (full-time).[70]
30 May – KAUS, Austin, Minnesota, begins broadcasting on 1480 kHz with 1 KW power (full-time).[71]
6 June – KPOJ-FM, Portland, Oregon, begins broadcasting on 96.1 MHz.[72]
6 June – WRVC, Norfolk, Virginia, begins broadcasting on 102.5 MHz.[73]
10 June – WMRA, Myrtle Beach, South Carolina, begins broadcasting on 1450 kHz with 250 W power (unlimited).[74]
15 June – KWNW, Wenatchee, Washington, a Don Lee Network affiliate, begins broadcasting on 1340 kHz with 250 W power.[75]
19 June – WABB and WABB-FM, Mobile, Alabama, both Mutual affiliates, begin broadcasting on 1480 kHz and 107.9 MHz, respectively.[76]
20 June – WPAY-FM, Portsmouth, Ohio, begins broadcasting on 104.1 MHz.[77]
22 June – WNOW, York, Pennsylvania, begins broadcasting on 1250 kHz with 1 KW power (daytime).[78]
29 June – KSDN, Aberdeen, South Dakota, begins broadcasting on 930 kHz with 1 KW power.[79]
5 July – KMUS, Muskogee, Oklahoma, a Mutual affiliate, begins broadcasting on 1380 kHz.[80]
9 July – WBCK, Battle Creek, Michigan, a Mutual affiliate, begins broadcasting on 930 kHz with 1 KW power (full-time).[81]
11 July – WPJB, Providence, Rhode Island, begins broadcasting on 105.1 MHz.[82]
11 July – WISN-FM, Milwaukee, Wisconsin, begins broadcasting on 102.9 MHz.[83]
18 July – WACA, Camden, South Carolina, begins broadcasting on 1590 kHz with 1 KW power (daytime).[84]
19 July – WLEU-FM, Erie, Pennsylvania, begins broadcasting on 97.9 MHz.[85]
22 July – KAGH, Pasadena, California, begins broadcasting on 1300 kHz with 1 KW power (daytime).[86]
25 July – KCSB, Liberal, Kansas, begins broadcasting on 1270 kHz with 1 KW power (daytime).[87]
31 July – WHOC, Philadelphia, Mississippi, begins broadcasting on 1490 kHz with 1KW of power.[88]
2 August – WHIN, Gallatin, Tennessee, begins broadcasting on 1010 kHz with 1 KW power (daytime).[89]
10 August – WRVQ-FM, Richmond, Virginia, begins broadcasting on 94.5 MHz as an affiliate of WRVA.[90]
16 August – WTAQ-FM, Green Bay, Wisconsin, begins broadcasting on 102.5 MHz with 14 KW power.[91]
18 August – WXLW, Indianapolis, Indiana, begins broadcasting on 1590 kHz with 1 KW power (daytime).[92]
26 August – WRJN-FM, Racine, Wisconsin, begins broadcasting on 100.7 MHz.[93]
27 August – WXLW-FM, Indianapolis, Indiana, begins broadcasting on 94.7 MHz.[92]
29 August – WSAU-FM, Wausau, Wisconsin, begins broadcasting on 95.5 MHz.[94]
5 September – WHOL, Allentown, Pennsylvania, begins broadcasting on 1230 kHz.[95]
19 September – WFTR, Front Royal, Virginia, begins broadcasting on 1450 kHz with 250 W power.[96]
19 September – KFH-FM, Wichita, Kansas, begins broadcasting on 100.3 MHz.[97]
26 September – WGEZ, Beloit, Wisconsin, begins broadcasting on 1490 kHz with 100 W power (full-time).[98]
October (undated) – WOC-FM, Davenport, Iowa, begins broadcasting at 103.7 MHz with 47 kW power.[99]
6 October – WLLH-FM, Lowell, Massachusetts, begins broadcasting on 99.5 MHz.[100]
26 October – KTNT-FM, Tacoma, Washington, begins broadcasting on 97.3 MHz.[101]
27 October – KLTI and KLTI-FM, Longview, Texas, begin broadcasting on 1280 kHz and 105.9 MHz, respectively.[102]
30 October – WJPS, Evansville, Indiana, begins broadcasting on 1330 kHz with power of 5 KW (daytime) and 1 KW (night).[103]
1 November – WENY-FM, Elmira, New York, begins broadcasting on 106.9 MHz.[104]
7 November – WCOP-FM, Boston, Massachusetts, begins broadcasting on 100.7 MHz.[105]
14 November – WIBB, Macon, Georgia, begins broadcasting on 1280 kHz with 1 KW power (daytime).[106]
21 November – KWKH-FM, Shreveport, Louisiana, begins broadcasting on 94.5 MHz.[107]
29 November – KCKN-FM, Kansas City, Kansas, begins broadcasting on 106.7 MHz.[108]
1 December – WHBL-FM, Sheboygan, Michigan, begins broadcasting on 100.3 MHz.[109]
6 December = WGCH-FM, Greenwich, Connecticut, begins broadcasting on 95.9 MHz.[110]
7 December – WVNJ, Newark, New Jersey, begins broadcasting on 620 kHz with 5 KW power (full-time)[111]
12 December – WMTR, Morristown, New Jersey, begins broadcasting on 1250 kHz with 500 W power (daytime).[112]
19 December – WGVM, Greenville, Mississippi, begins broadcasting on 1260 kHz with 1 KW power.[113]
^"KCKN-FM Starts"(PDF). Broadcasting. 13 December 1948. p. 84. Retrieved 4 April 2015.
^"WHBL-FM"(PDF). Broadcasting. 13 December 1948. p. 88. Retrieved 4 April 2015.
^"WGCH (FM) Debut"(PDF). Broadcasting. 13 December 1948. p. 96. Retrieved 4 April 2015.
^"WVNJ Starts"(PDF). Broadcasting. 12 December 1948. p. 30. Retrieved 3 April 2015.
^"WMTR Begins"(PDF). Broadcasting. 13 December 1948. p. 30. Retrieved 3 April 2015.
^"WGVM on Air"(PDF). Broadcasting. 3 January 1949. p. 64. Retrieved 16 August 2017.
^Cox, Jim (2008). This Day in Network Radio: A Daily Calendar of Births, Debuts, Cancellations and Other Events in Broadcasting History. McFarland & Company, Inc. ISBN978-0-7864-3848-8.
^Parish, James Robert (2002). The Hollywood Book of Death: The Bizarre, Often Sordid, Passings of More Than 125 American Movie and TV Idols (3 ed.). Contemporary Books. p. 315. ISBN0-8092-2227-2.
