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Fun fact! In the US, a Tunnel Radio System may operate in any mode on any frequency provided the signal does not leak from the tunnel[1]. [1] 47 CFR 15.211 <ht
by RF_Enthusiast 4y ago
Fun fact! In the US, a Tunnel Radio System may operate in any mode on any frequency provided the signal does not leak from the tunnel[1].
[1] 47 CFR 15.211 <https://www.ecfr.gov/current/title-47/chapter-I/subchapter-A/part-15/subpart-C/section-15.211#p-15.211(a) https://www.ecfr.gov/current/title-47/chapter-I/subchapter-A...>