I know some scanners have a Band Service Search type function but some are limited or you must program the ranges in yourself to search in a Limited search.
Here are some popular bands to search in North America on your scanner for new frequencies and includes some international emergency or calling frequencies. I have a typical Mode AM or FM and frequency steps after the search range.
Please add any search ranges or important nation/international emergency frequencies you see are missing. I have it in a ascending order.
CB Band - 26.965 - 27.405 AM (5kHz)
10M HAM - 28.000 - 29.700 AM( 5kHz)
6M HAM - 50.000 - 54.000 AM (5kHz)
Air Band - 118.000 - 137.000 AM (121.500 - AIR Band emergency Freq) (was 12.5kHz now 8.33)
U.S. GOVERNMENT BAND (138-144 MHz) FM (5kHz)
2M HAM - 144.000 - 148.000 FM (5kHz)
Marine Band 156.000 - 162.000 FM New channels add & with digital modes? (156.800 - International Marine distress, safety and calling) (5kHz)
WX Band - 161.650 - 163.275 FM (5kHz)
1.25 M HAM 222.000-225.000 FM (6.25kHz)
Air Band - 225.000 – 399.950 FM (6.25kHz)
U.S. Government Band (406-420 MHz) FM (6.25kHz)
70 CM HAM 420.000 - 450.000 FM (5kHz)
FRS/GRMS band - 462.000 - 468.000 FM (5kHz)
33 CM HAM 902.000 - 928.000 FM (6.25kHz)
23 CM HAM 1240.000 -1300.000 FM (6.25kHz)
13 CM HAM 2300.000 - 2310.000 & 2390.000 - 2450.000 FM (6.25kHz)
Here are some popular bands to search in North America on your scanner for new frequencies and includes some international emergency or calling frequencies. I have a typical Mode AM or FM and frequency steps after the search range.
Please add any search ranges or important nation/international emergency frequencies you see are missing. I have it in a ascending order.
CB Band - 26.965 - 27.405 AM (5kHz)
10M HAM - 28.000 - 29.700 AM( 5kHz)
6M HAM - 50.000 - 54.000 AM (5kHz)
Air Band - 118.000 - 137.000 AM (121.500 - AIR Band emergency Freq) (was 12.5kHz now 8.33)
U.S. GOVERNMENT BAND (138-144 MHz) FM (5kHz)
2M HAM - 144.000 - 148.000 FM (5kHz)
Marine Band 156.000 - 162.000 FM New channels add & with digital modes? (156.800 - International Marine distress, safety and calling) (5kHz)
WX Band - 161.650 - 163.275 FM (5kHz)
1.25 M HAM 222.000-225.000 FM (6.25kHz)
Air Band - 225.000 – 399.950 FM (6.25kHz)
U.S. Government Band (406-420 MHz) FM (6.25kHz)
70 CM HAM 420.000 - 450.000 FM (5kHz)
FRS/GRMS band - 462.000 - 468.000 FM (5kHz)
33 CM HAM 902.000 - 928.000 FM (6.25kHz)
23 CM HAM 1240.000 -1300.000 FM (6.25kHz)
13 CM HAM 2300.000 - 2310.000 & 2390.000 - 2450.000 FM (6.25kHz)