The discussion revolves around the use of letters in the designation of loading coil distances in telephone lines, specifically questioning why not all letters of the alphabet are utilized and the apparent lack of a consistent pattern in the spacing designations.
Participants do not appear to reach a consensus on the reasons for the selection of letters or the pattern in spacing designations, and multiple viewpoints regarding the appropriateness of the distances remain present.
The discussion includes specific distances associated with letters but does not clarify the criteria for their selection or the implications of the distances provided.
jayryap said:Why not all letters of the alphabet are used in loading coil distance?
and why there is no pattern followed in the spacing designation?thank you very much...
jayryap said:sir, loading coils in telephone lines,
A=700 ft
B=3000 ft
C=929 ft
D=4500 ft
E=5575 ft
F=2787 ft
H=6000 ft
X=680 ft
Y=2130 ft
thank you very much...