Mobile Telephone History : Land Mobile (Conventional radio telephone service status)

 

Improved Mobile Telephone Service (IMTS) Table 1 (General Overview) Table 2 (You are here)

This table from 1976 appears courtesy of the IEEE (external link) It gives a great overview of conventional radio telephone service circa the mid 1970s, just before cellular radio began. Right click on the table to save to your hard drive. Print out by rotating the image 90 degrees.

"Public Mobile Telephone -- A Comparative Analysis of Systems Worldwide: R.L. Lagace and H.L. Pastan. Arthur D. Little, Inc. Cambridge, Massachusetts. IEEE Vehicular Technology Group. Twenty-sixth annual conference of the IEEE Vehicular Technology Group: conference record : papers presented at the twenty-sixth annual conference, Washington, D.C., March 24-26, 1976 /, sponsored by the IEEE Vehicular Technology Group, Washington Chapter, with the cooperation of theWashington Section of the IEEE and the Administrative Committee of VTG. [Washington] : The Group ; Piscataway, N.J. : available from IEEE Service Center, [1976] viii, 178 p. : ill. ; 29 cm. p. 21 to 25

Vehicular Technology Society "Connecting the Mobile World"

Geoff Fors maintains this remarkable page:

MOTOROLA EARLY LAND MOBILE EQUIPMENT INDEX, 1938-1946

http://www.mbay.net/~wb6nvh/Motadata.htm

Geoff is an ardent mobile radio enthusiast, please visit his site soon.

More IMTS madness? Of course. Take a look at a company newsletter describing the 1982 cutover in Pac Bell land:

 

Page One/ Page Two/ Page Three/ Page Four

(1) Service cost and per-minute charges table/ (2) Product literature photos/ (3) Briefcase Model Phone / (4) More info on the briefcase model/ (5) MTS and IMTS history/ (6) Bell System (7) Outline of IMTS/ (8) Land Mobile Page 1 (375K)/ (9) Land Mobile Page Two (375K)/ (10) The Canyon GCS Briefcase Telephone

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