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Timeline of US COMMUNICATION Phone, Broadcast, TV, Radio, internet

TELEPHONE
Year
.
TELEVISION
Year
.
RADIO
Year
WIRED
Year
.
Cathode Ray tube
1897
.
Spark
1895
Undersea telegraph cable
1850
.
TV transmission
1927
.
AM
1906
Alexander Graham Bell invents
1877
.
B&W TV
40
.
Station letter codes
12
operator assisted
1878
.
FCC auctions 13 channels
45
.
360m wavelegth
12
Pay Phone -GB
1910
.
Cable TV
48
.
Shortwave
21
Phone Booth -GB
20
.

VHF (very high)

50
.
400m wavelength
22
3 - 7 #s
40
.
UHF (ultra high)
52
.
First Commercial
22
dialtone
45
.
SHF (super high)
52
.
AC Nielsen ratings
23
3 Letters + 4#s
45
.
Color TV
54
.
Crossley radio ad ratings
30
2 Letters + 5#s
47
.
HighDef TV low
96
.
FM
33
7#s
48
.
HighDef TV high
96
.
CB / Ham
43
area code +7#s
48
.
Satelite SDTV
96
.
FCC fed comun comish
44
411 -directory assist
50
.
TIVO
.
.
Marine band
?
1+AC+7#s
60
.
End of Analog TV
2009
.
Aircraft band
?
touchtone phone
63
.
.
.
.
.
.
touchtone * and #
68
.
TV NETWORKs
Year
.
Digital Satelite
2000
911 - Emergency
68
.
.
1900
.
Sirius
1990
Fiberoptic
1970
.
BBC
36
.
XM
1988
711 - hearing impared
74
.
DuMont
44
.
.
.
800#s
80
.
NBC
45
.
Radio NETWORKs
Year
Caller ID
88
.
CBS
45
.
.
1900
888#s
90
.
ABC
48
.
NBC
26
311 - minor emergency
96
.
FOX
86
.
CBS
29
211 - local info
97
.
.
.
.
BBC
?
511 - traffic
2002
.
CABLE
.
.
DuMont
44
611 - repair
.
.
Community Antenna TV
1950
.
.
.
Caller ID
88
.
FCC -Local Origination
65
.
.
.
WIRELESS
Year
.
FCC -Public Access
66
.
.
.
GSM bands
83
.
FCC -Public Access
69
.
INTERNET
.
Portable
.
.
TV deRegulation
72
.
IPTV
94
Cell Phone
89
.
HBO
72
.
.
.
analog
.
.
Showtime
76
.
.
.
digital
.
.
ESPN
79
.
.
.
text message
93
.
CNN
80
.
.
.
PCS bands
94
.
Cinemax
80
.
.
.
internet
.
.
QVC
86
.
.
.
picture
.
.
DIRECTV
90
.
.
.
Satelite
.
.
DISH Network
96
.
.
.
Pay-PHONE charges
.
.
BBC America
98
.
.
.
$0.50
2000
.
.
.
.
.
.
.
.
.
.
.
.
.
.
TELEPHONE
Year
.
TELEVISION
Year
.
RADIO
Year
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