175 - Decimal, Binary, Octal, and Hex

Free SDR Course! Our new free course will introduce you to Software Defined Radios. "The Ultimate Beginner's Guide to Software Defined Radio: Everything you need to know to get started with SDR in an afternoon" is now open for enrollment.  Register now at https://courses.scannerschool.com --------------------------------------------------------------- Today we talk about several different numbering schemes.  Two of which we find in the scanner radio environment. What You Need To Know Decimal system can be thought of as human-readable digits.  These are easy to use to read and compute.  They are also easy to convert from one form to another.  While decimal works well with humans, it is not the case with computers.  Binary language is used for them. It has two bits 0 and 1. Octal is a 8 bit system. This is how we save a little bit of room in a system.  0-7 make up 8 bits.  Hexadecimal (Hex) is a 16 base system with values from 0 – F.  There are no numerical symbols that represent values greater than nine, so letters taken from the English alphabet are used, Hexadecimal A = decimal 10, and F = decimal 15. I stick to decimal format when I program talk groups into my scanners.  When you look at Radio Reference, Trunk SysIDs and WACN are in Hex. RFSS and Site ID’s are shown in Decimal with Hex in parenthesis. Talk groups on Radio Reference have a column for Dec and a column for Hex.   All session notes with links to the items we talked about can be found on our website at www.scannerschool.com/session175 --------------------------------------------------------------- Would you like 1 on 1 help? If you need help with your scanner and are looking for some one on one tutoring, I'd love to help you out.  Visit www.scannerschool.com/consulting to book your one hour appointment today! Help support Scanner School You can help support Scanner School by visiting our support page at www.scannerschool.com/support

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Welcome to Scanner School, a podcast dedicated to the Scanner Radio Hobby. Each week we cover another topic related to scanning and will be answering all of your questions to take you from Scanner Radio Student to Scanner Radio Scholar.