I have just finished my Slim Jim antenna calculator and will be using it to build a Slim Jim in my workshop. Photo’s and video coming soon.
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Slim-Jim antenna calculator
How to calculate distance between two points using latitude and longitude
This post shows the step by step process of calculating the distance as the crow flies between two points using latitude and longitude of both points. I have used this calculation in logging software I have been continuously developing the last three years.
How to convert Maidenhead Locator to Latitude and Longitude
This post shows the step by step process of decoding a Maidenhead locator code to calculate the latitude and longitude at the centre of a square. I have used this calculation in logging software I have been continuously developing the last three years.