/  FORUM.QRV.SU

/ . . -.  RK6LZQ.QRV.SU
145.050 / 145.650 @ ----.- : ,
145.125 / 145.725 @ ----.- : ,
145.075 / 145.675 @ ----.- :
145.150 / 145.750 @ ----.- :
145.100 / 145.700 @ ----.- :
- 145.275 @ ----.- :
- 145.350 @ ----.- :
145.300 / 439.950 @ ----.- :
145.025 / 145.625 @ ----.- :
- 145.250 @ ----.- : .
EchoLink 145.250 @ 88.5 : ()
EchoLink 145.225 @ ----.- :
145.125 / 145.725 @ ----.- : (.-)
145.000 / 145.600 @ 77.0 : (.)
- 145.300 @ ----.- : (.)
433.000  / 434.600 @ 88.5 :
431.000  / 438.600 @ ----.- :
431.200  / 438.800 @ ----.- : ,
430.450  / 438.050 TG950615 : , DMR
430.4375 / 435.4875 TG950615 : , DMR
431.225  / 438.825 TG950615 : , DMR
431.175  / 438.775 TG950615 : , DMR
431.100  / 438.700 @ ----.- :
430.700  / 438.300 @ ----.- :
- 433.475 @ ----.- :
- 433.600 @ ----.- :
- 438.300 @ ----.- :
EchoLink 439.000 @ ----.- :
431.700 / 439.300 TG950619 : DMR
RK6LZQ

: /

administrator 15.10.2015 07:00.


, 3 1973 . , Motorola, . , . .


, 7 1895 ., , . , - , , . , , , . , 1895 ., "" , .

, . 1896 . , 1901 . . , , , ʰ .


,

"-" . - , . , 1900 . , 1903 . . 1901 ., - .


,

1921 ., , . ( ), . . 1933 . -. , , , .. .


17 1946 ., - ( ) AT&T Bell Telephone Laboratories MTS, 150 . MTS- , . MTS- , , . S- , . (.. ) 1964 . , 40- . AT&T Bell Telephone Laboratories, 1948 . ( ) , .



. 100 . Bell Laboratories . , (), , . . 1969 . Metroliner, - (255 ) , 450 , .



, . 1951 ., 1967 . , , 400 900 . 1971 ., 1978 . . , , Autoradiopuhelin (ARP, ). Autotel. , Autotel , , .

, , , AT&T Bell Labs Motorola, . AT&T Bell Labs , Motorola , . , FCC ( ). Motorola, , . , Motorola , 1983 ., .


Motorola DynaTAC 8000X (Dynamic adaptive total area coverage)

, , AMPS (Advanced mobile phones service ), D-AMPS. , NMT (Nordic mobile telephony) TACS (Total access communications system, AMPS). NTT (Nippon telephone and telegraph system) TACS, JTACS(NTACS). , AMPS, , .
, 1982 . Groupe Sp?cial Mobile, 26 . 1991 ., GSM- 1992 . . GSM CDMA, . CDMA- 1995 . , ( CDMA Omni TRACKC) 1980 . , CDMA 1935 . . . .


1991 ., NMT-450i, 9 1991 . GSM- 1994 ., - GSM.
. , , , . 12 , , , .


.. ,

. . , 1946 . . , , , . , , , . . 20 , 150 , . , , . - .
, 1957 . . . , -1. , -1 , . -1 (), : , , . -1 , . .


, .66, 10, 1958 .

, , . -1 3 (, 1020 .), 1958 . 500 . 1959 . , .. , 14 . .. , 19601961 . , .
50- . . , , .. . 1963 . . 150 , 330 . 70- 114 , 1980 . . , , . , 80- . 25 . . , , .


1960-


1980-

, . 1980- һ, , : , , , . . , һ , , 1980- . 330 , . , , 1990- ., , NMT- GSM-.


. , . 1959 . , .. , . , -66 -0,5 -0,5, , -10, . , 3 1973 ., .

:
: ʻ, 09, 2011
[ ]
→ 05:09 MSK. , 13 2020 .
    ? : wbmstr@qrv.su.
◊   QRV.SU.
  .
© .
® qrv.ru : 2005 — 2006
® qrv.su : 2008 — 2020
    mini.aCMS™.
.
web-ring: ,
rand prev next
   RK6LZQ   -   RK6LWL   .
free counters