These past few weeks have certainly been trying for some communities with power outages, winter weather and utility failures. Ham radio is a very good way to communicate in your local community, but what if lots of other people are on the local repeater? What if you want a notification if your child or buddy is calling you, but not every other kerchunk or distracting story on the local repeater? If you have a DMR digital radio and id and digital repeater nearby, the tools on Hearham.live may help – and help save your battery leaving a radio on all day 🙂
Continue reading “Listening for a callsign on DMR with Hearham.live”FastOrSlow – the new site checker from WordFence
Today the Wordfence developers announced the new fastorslow.com tool, a handy tool for seeing how fast your site is in various parts of the world. The Wordfence folks build a quite useful plugin used by many sites – and this one – to keep reduce risk of attack.
This new tool however can be used to see the performance of any type of public site and recommendations on speeding it up. It also would be a much easier way to time requests to a server like in the World Network Requests Measurement post.
Continue reading “FastOrSlow – the new site checker from WordFence”Mathematics with Pi – and earth measurement with network requests
In Ian Stewart’s book, Professor Stewart’s Casbook of Mathematical Mysteries, he writes about an easy way one might prove that the earth is not flat. His “easy” proof can be done by booking some flights and timing them… or, simply looking up actual flights from certain cities to other cities. If it is much much shorter for a certain flight from A to D while A to B to C to D in a nearly straight line is much longer, it’s effectively a proof you can go around the world without falling off…
Continue reading “Mathematics with Pi – and earth measurement with network requests”