As the title says, post the logos that were in use by your local stations at the time you were born.
Here's what was in use in 1981, my birth year, for Detroit (decided to add in Toledo, OH as well):
WJBK 2 (CBS, now Fox)
(http://vignette2.wikia.nocookie.net/logopedia/images/b/b8/TV2Together.png/revision/latest?cb=20120820220154)
WDIV-TV 4 (NBC)
(http://vignette3.wikia.nocookie.net/logopedia/images/c/cc/WDIV_1990s.png/revision/latest?cb=20110402064820)
WXYZ-TV 7 (ABC)
(https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Circle_7_Logo.svg/120px-Circle_7_Logo.svg.png)
(a slightly modified version of this logo, albeit now with the ABC logo to the right, is still in use today)
CBET 9 (CBC)
(http://vignette3.wikia.nocookie.net/logopedia/images/1/1f/Cbet79.png/revision/latest?cb=20111211234205)
WTOL 11 (CBS)
(https://upload.wikimedia.org/wikipedia/en/thumb/3/34/WTOL-TV_italic_Toledo_11.svg/300px-WTOL-TV_italic_Toledo_11.svg.png)
WTVG 13 (NBC, now ABC)
(http://vignette2.wikia.nocookie.net/logopedia/images/0/00/Wtvg1379.jpg/revision/latest?cb=20130226013338)
WXON 20 (independent, now My Network TV affiliate WMYD)
(http://vignette3.wikia.nocookie.net/logopedia/images/e/ea/Wxon.jpg/revision/latest?cb=20130222155655)
WDHO-TV 24 (ABC, now NBC affiliate WNWO-TV)
(http://vignette3.wikia.nocookie.net/logopedia/images/c/ca/WNWO-TV_1983.jpg/revision/latest?cb=20110703215035)
WGTE-TV 30 (PBS)
(http://image.wikifoundry.com/image/1/hqVPRwD1TT1yn1mNVGkZRA12793/GW253H189)
WIHT 31 (In-Home Theater, now Ion owned-and-operated WPXD-TV)
(http://vignette2.wikia.nocookie.net/logopedia/images/c/c7/Wiht_it.jpg/revision/latest?cb=20130227163623)
CICO-32 32 (TV Ontario)
(http://vignette1.wikia.nocookie.net/logopedia/images/c/c0/TVO_Logo_1970.svg/revision/latest?cb=20151002201249)
CKCO-TV-3 42 (CTV, satellite of Kitchener, ON CTV affiliate CKCO-DT)
(http://vignette4.wikia.nocookie.net/logopedia/images/9/92/CKCO_1977.png/revision/latest?cb=20110611065858)
WKBD-TV 50 (independent, now The CW)
(http://vignette3.wikia.nocookie.net/logopedia/images/7/7b/WKBD50FieldCommunications.png/revision/latest?cb=20130127021534)
WTVS 56 (PBS)
(http://vignette2.wikia.nocookie.net/logopedia/images/0/0a/NEWS_TV_1994.png/revision/latest?cb=20141013203018)
WGPR-TV 62 (independent, now CBS owned-and-operated WWJ-TV)
(http://vignette2.wikia.nocookie.net/logopedia/images/4/40/Dca760818.jpg/revision/latest?cb=20110416055523)
I was born in 1987. Here are mine:
For Green Bay, Wisconsin:
WBAY-TV (CBS, now ABC)
(http://vignette1.wikia.nocookie.net/logopedia/images/d/d9/WBAY_1986.gif/revision/latest?cb=20110404080939)
WFRV-TV (ABC, now CBS)
(http://vignette3.wikia.nocookie.net/logopedia/images/3/3f/WFRV-TV-5-Green-Bay.png/revision/latest/scale-to-width-down/200?cb=20150810042421)
WLUK-TV (NBC, now Fox)
(http://vignette4.wikia.nocookie.net/logopedia/images/2/22/WLUK_1983.png/revision/latest?cb=20110406193236)
WSCO-TV (later WPXG-TV, then WIWB-TV, now WCWF) (VCY, later Pax TV, then WB, now CW)
off-air at this time.
WGBA-TV (Independent, then Fox, now NBC)
(http://vignette4.wikia.nocookie.net/logopedia/images/e/ee/Wgba1990_2.png/revision/latest?cb=20121105070413)
WXGZ-TV (now WACY-TV) (Independent, then Fox, then Independent, then UPN, then MyNetworkTV)
(http://vignette1.wikia.nocookie.net/logopedia/images/6/61/WACY_Super_32.jpg)
WPNE-TV (PBS)
(http://vignette1.wikia.nocookie.net/logopedia/images/1/1d/Wpt_logo_1980s.png)
---------------------------------------------------------------------------------------------------------------------------------------------------
For Portland, Maine (near my birthplace of Bath, Maine):
WCSH-TV (NBC)
(http://vignette3.wikia.nocookie.net/logopedia/images/b/b4/Wcsh6_1984.jpg/revision/latest?cb=20140327050604)
WMTW-TV (ABC)
(http://vignette4.wikia.nocookie.net/logopedia/images/9/98/GW230H178.jpg)
WGME-TV (CBS)
(http://vignette3.wikia.nocookie.net/logopedia/images/0/0e/Wgme1385.jpg/revision/latest?cb=20130103020257)
WPXT-TV (Independent, then Fox, then WB, now CW)
(http://vignette2.wikia.nocookie.net/logopedia/images/8/84/Wpxt5189.jpg/revision/latest?cb=20140217170749)
Some of those Detroit-Toledo ones were still in use when I moved to the area in 1988.
WTVG had stopped using "13 Strong" by then. But I do recall seeing that on billboards
while passing through Toledo in 1982.
KDKA-TV
(https://tse4.mm.bing.net/th?id=OIP.M5e636b3fbf0276ee685ddd3d60aaeeefo0&pid=15.1)
WTAE-TV
(https://tse1.mm.bing.net/th?id=OIP.Madb7fe6b30f2e69d0563c45d0bd276eao0&pid=15.1)
WIIC-TV
(https://tse2.mm.bing.net/th?id=OIP.M96dd60dc9e2ef2326bb37f774d9677c2o0&pid=15.1)
WQED-TV
(https://tse1.mm.bing.net/th?&id=OIP.M3559b06b9c136878a428e587493fb4cbo0&w=264&h=198&c=0&pid=1.9&rs=0&p=0&r=0)
WTRF-TV
(https://tse1.mm.bing.net/th?&id=OIP.Mb2331c8eacc99f516bec353dfd895eddo0&w=283&h=125&c=0&pid=1.9&rs=0&p=0&r=0)
WSTV-TV
(https://tse1.mm.bing.net/th?&id=OIP.Ma459e7dcd55070274e9282f979e9e753o0&w=247&h=179&c=0&pid=1.9&rs=0&p=0&r=0)
And yes, it WAS that long ago!
Rochester, NY
WROC-TV (NBC, now CBS)
(http://vignette4.wikia.nocookie.net/logopedia/images/0/08/Wroc_8_late_80%27s.jpg/revision/latest?cb=20110725224044)
WHEC (CBS, now NBC)
(http://vignette2.wikia.nocookie.net/logopedia/images/5/5c/Whec10_1979.jpg/revision/latest?cb=20110726001543)
WOKR (ABC, now WHAM-TV)
(http://vignette1.wikia.nocookie.net/logopedia/images/1/1c/WOKR_1989.jpg/revision/latest?cb=20111031015557)
WXXI-TV (PBS)
(http://vignette2.wikia.nocookie.net/logopedia/images/5/5b/WXXI-TV_1984-1994_logo.jpg/revision/latest?cb=20131029211800)
WUHF (now Fox)
(http://vignette1.wikia.nocookie.net/logopedia/images/3/38/WUHF_1987.jpg/revision/latest?cb=20110907213703)
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Buffalo, NY
WGRZ (NBC)
(http://vignette4.wikia.nocookie.net/logopedia/images/5/57/WGRZ_logo_2.jpg/revision/latest?cb=20110517235838)
WIVB (CBS)
(http://vignette4.wikia.nocookie.net/logopedia/images/2/21/WIVB-TV_1982-1992.jpg/revision/latest?cb=20111126204909)
WKBW-TV (ABC)
(http://vignette4.wikia.nocookie.net/logopedia/images/f/f7/Wkbw-tv_old_logo.gif/revision/latest?cb=20110726001105)
WNED (PBS)
(http://vignette3.wikia.nocookie.net/logopedia/images/7/7f/WNED1977IdentReproduction.jpg/revision/latest?cb=20120719061216)