Tripod center for fiberglass mast poles Apple Antenna Systems KI4ZPF Tripod "center" for fiberglass mast poles

U.S. Marine VHF Channels U.S. VHF CHANNELS Channel Number Ship Transmit MHz Ship Receive MHz Use 01A 156.050 156.050 Port Operations and…

UHF FM Voice Simplex Frequencies 22 Simplex FM Voice Channels 445.9125 445.9250 445.9375 445.9500 445.9625 445.9750 445.9875 446.0000 44…

UHF SERA Frequency Utilization Plan Frequency Purpose 420.0000 - 420.2000 Repeater Links 420.0000 - 426.0000 ATV Repeater Output 421.25…

Update image timestamp This script will update the file timestamp on an image to match its creation date.

Using AWK to parse CSV files First, GNU AWK. See https://www.gnu.org/software/gawk/manual/html_node/Splitting-By-Content.html for more…