Talk:L-carrier

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There seems to be some confusion here about when L-1 was introduced. The chart shows L-1 starting in 1941, but the text references the 1930s, and the AT&T Long Lines page says it started in 1936. 64.81.163.112 (talk) 18:05, 27 August 2009 (UTC)

L2 reference[edit]

Where did the data on L2 come from?

I can't find mention of it in BSTJ or other sources. L1, L3, etc fine.... but the L2?

166.84.1.1 (talk) 01:42, 24 March 2014 (UTC)