Features not available in CAT
The CAT protocol is written for the lowest common denominator, and it was written a long time ago. As a result it does not support every command that a radio may have. I am not sure why Yaesu did not...
View ArticleRemote front end for the FT-897
I want to write a web app for the radio. My initial target is an Asus WL-520GU wifi access point. It has a USB adapter, and I can run linux on it. While it is s mall and embedded I can get enough on...
View ArticleMore on the FT-897 EEPOM and Firmware
Despite the efforts of some people typing angrily into their keyboards, possibly from their mothers basement, questioning my intelligence for trying to unlock some secrets about the FT-897 radio I am...
View ArticleCrash course in radio part 1
Crash course in radio or how to communicate when the zombies attack This is a multipart series attempting to give some basic information on radio communications. Scope This guide will not be overly...
View ArticleCrash course in radio part 2
If you did not start at the beginning you should read part 1 first. Spectrum Radio frequencies span a wide range of frequencies. Radio is below light, X-rays, gamma rays and other emanations. Radio...
View ArticleCrash course in radio part 3
If you did not start at the beginning you should read part 1 first. Popular Bands In order to make things easier for everyone groups of frequencies that have a common use are grouped into bands. If you...
View ArticleCrash course in radio part 4
If you did not start at the beginning you should read part 1 first. Antennas Antennas are a critical component in a radio device. They will gather the very weak electromagnetic wave that is in the air...
View ArticleCrash course in radio part 5
If you did not start at the beginning you should read part 1 first. Propagation There are two different ways that radio signals go from the transmitter to the receiver. Skywave and groundwave. The...
View ArticleFinding someone on the radio
You have a radio transmitter and want to find someone to talk to. There are two ways that you can accomplish this. You can just tune around and listen for someone else to talk or you can just start...
View ArticleCrash course in radio part 6
I think I did not make some aspects of skywave clear enough so this article should clarify some things. It is going to get a little more technical than I had hoped, but I fear that is unavoidable in...
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