FREQUENCY SPECTRUM, HIGH FREQUENCY
Text: High Frequency Gap in list 3.004 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 3.023 MHz # Maritime SSB Radiotelephone [80.373] - Business and Operational - Government shore, ship and aircraft stations for search and rescue coordination. Gap in list 3.23 - 3.40 MHz # Radiolocation, associated with 1605 - 1800 kHz, secondary to other services [Part 90 Subpart F] # 3.281 MHz - Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 3.443 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 3.5 - 3.75 MHz # Amateur (80 meter band) [Part 97] 3.75 - 4 MHz # Amateur (75 meter band) [Part 97] 4.0 - 4.152 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 4.281 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 4.351 - 4.438 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 5.000 MHz # Time and frequency broadcasts, WWV and WWVH Gap in list 5.451 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 5.469 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 5.571 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 6.200 - 6.233 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 6.501 - 6.525 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 6.550 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 6.765 - 6.795 MHz # Industrial, Scientific and Medical [Part 18] Gap in list 7 - 7.3 MHz # Amateur (40 meter band) [Part 97] Gap in list 8.101 - 8.300 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 8.707 - 8.815 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 8.822 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 10.000 MHz # Time and frequency broadcasts, WWV and WWVH Gap in list 10.045 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 10.1 - 10.15 MHz # Amateur (30 meter band) [Part 97] Gap in list 11.288 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 11.306 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 12.230 - 12.368 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 13.077 - 13.200 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 13.312 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 13.36 - 13.41 MHz # Radio astronomy Gap in list 13.553 - 13.567 MHz # Intentional radiators, 10,000 microvolts/meter at 30 meters max. [15.225] # Industrial, Scientific and Medical [Part 18] Gap in list 14 - 14.35 MHz # Amateur (20 meter band) [Part 97] Gap in list 15.000 MHz # Time and frequency broadcasts, WWV and WWVH Gap in list 16.360 - 16.549 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 17.242 - 17.410 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 17.964 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 18.068 - 18.17 MHz # Amateur (17 meter band) [Part 97] Gap in list 18.780 - 18.846 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 19.755 - 19.800 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 20.000 MHz # Time and frequency broadcasts, WWV Gap in list 21 - 21.45 MHz # Amateur (15 meter band) [Part 97] Gap in list 21.931 MHz # Flight test stations - land and aircraft [Part 87 Subpart J] Gap in list 22.000 - 22.180 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 22.696 - 22.855 MHz # Maritime SSB Radiotelephone [80.373] Gap in list 24.89 - 24.99 MHz # Amateur (12 meter band) [Part 97] 24.990 - 25.005 MHz # 25000 kHz: standard frequency and time signals [2.106] 25.02 MHz # Industrial/Business [90.35] only stations utilized for geophysical purposes 25.04 MHz # Industrial/Business [90.35] oil spill containment and cleanup operations 25.06 MHz # Industrial/Business [90.35] only stations utilized for geophysical purposes 25.070 - 25.121 MHz # Maritime SSB Radiotelephone [80.373] # Industrial/Business [90.35] * 25.08 MHz - oil spill containment and cleanup operations, secondary to maritime mobile * 25.10 MHz - only stations utilized for geophysical purposes, secondary to maritime mobile * 25.12 MHz - Industrial/Business 25.14 MHz # Industrial/Business [90.35] only stations utilized for geophysical purposes 25.16 MHz # Industrial/Business [90.35] 25.18 MHz # Industrial/Business [90.35] only stations utilized for geophysical purposes 25.20 MHz # Industrial/Business [90.35] 25.22 MHz # Industrial/Business [90.35] geophysical stations on a secondary basis 25.24 MHz # Industrial/Business [90.35] 25.26 MHz # Industrial/Business [90.35] geophysical stations on a secondary basis 25.28 MHz # Industrial/Business [90.35] 25.30 MHz # Industrial/Business [90.35] geophysical stations on a secondary basis Gap in list 25.55 - 25.67 MHz # Radio astronomy Gap in list 25.85 - 26.48 MHz # Broadcast Auxiliary [Part 74 Subpart D] # 26.145 - 26.175 MHz only - Maritime SSB Radiotelephone [80.373] shore-to-ship Gap in list 26.617 MHz # Civil Air Patrol (CAP) (according to http://rob.acol.com/~cb/freeband.html) Gap in list 26.96 - 27.41 MHz # Citizens band (CB) [Part 95 - Subpart D] * Channel frequency chart # 26.96 - 27.28 MHz * Intentional radiators, 10,000 microvolts/meter at 30 meters max. [15.227] * Student experimental use (27.23 - 27.28 MHz) [5.89] * Industrial, Scientific and Medical (26.957 - 27.283 MHz) [Part 18 - Subpart C] 27.430 MHz # Industrial/Business [90.35] 27.450 MHz # Industrial/Business [90.35] 27.470 MHz # Industrial/Business [90.35] 27.490 MHz # Industrial/Business [90.35] 27.510 MHz # Industrial/Business [90.35] 27.530 MHz # Industrial/Business [90.35] Gap in list 27.870 MHz # US Navy-MARS (according to http://rob.acol.com/~cb/freeband.html) Gap in list 27.920 MHz # US Navy-MARS (according to http://rob.acol.com/~cb/freeband.html) Gap in list 27.97 MHz # US Navy-MARS (according to http://rob.acol.com/~cb/freeband.html) Gap in list 28 - 29.7 MHz # Amateur (10 meter band) [Part 97] Gap in list
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