Verkkoi'm looking for a chart or other information that shows what the step sizes are in the different frequency ranges. I usually scan by 5khz steps in the 140, 150 & 160 ranges and 12. 5khz for anything above 400 mhz. I'm probably missing some. Verkkogeneral class frequency privileges in ham radio. Lready, you’ll be thinking about upgrading. You have many more frequencies to use on the high. Verkkoexplore and search our database of over 224k identified frequencies and 7. 1k trunked radio systems. Verkko98 riviäfrom the radioreference wiki. Railroad radios display the transmit and receive frequency as aar channel numbers. From the radioreference wiki. When adding a new article for this topic, please categorize the new pages by applying. Verkkothe comprehensive radio reference — over 1,250 pages. Since it was first published in 1926, the arrl handbook has been a core resource for radio. 75th anniversary edition of wrth is a reference guide for everyone who loves the radio. Verkkoas a basic definition, scanning involves listening (and, at times, looking) on frequencies just below, above and around the standard fm and tv.