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APRS is a data service that can run on Amateur radio networks. What its for: It's for providing tracking data, as in sending your GPS position via radio when you're out of range of cell service. Like container ships at sea, or hikers in the wilderness, mountain climbing. How it works: Plug your GPS device into your Beofeng handheld radio via a data cable. Your position is transmitted to a website where you can be tracked. Generally one would use an Android phone which has GPS built in and there's an app to run APRS on it. You can buy HT radios that have GPS built and support APRS, so you don't need to plug in your cell phone. However those radios generally cost $500+. And you already have the GPS receiver built into your phone. Just download the app, and turn off cell, wifi, Bluetooth on your phone to extend battery life. Other nice features of APRS are it supports a simple messaging service like SMS. You don't need a radio to receive APRS data, it appears...

Getting started with SDR is cheap and simple. You buy the USB stick on Amazon , install a few RPMs, connect up to a antenna and you're up and running. There's a many of how to use videos on Youtube, the main question we're answer here is what software you need to install on Fedora Linux in order to use the USB stick. yum install rtl-sdr gqrx cubicsdr rtl_test -t GQRX (gqrx &) the the GUI that runs the SDR interface. Type in the frequency and hit the play icon upper left. Check your reception on 162.550Mhz (NOAA). Check it out on YouTube. CubicSDR is another GUI, but I'm having some trouble with it as the RPM is for Fedora 29 and I'm on version 28, it's not working at the moment. rtlsdr_scan Dipole Antenna Calculator

"Checkmate, King Two, this is White Rook, over!" Before we get into the details, let's make it clear now is the best time to get into Amateur "HAM" radio, for 3 simple reasons: 1) Radios are now cheap, VHF radios that used to cost $300-$400 are now $25. 2) The FCC increased the power limits for the unlicensed bands. 3) You no longer need to learn CW "Morse Code" order to get a license. Now, the details.... Amateur radio - what is it, and do I need it? Let's start by saying 99% of new users are using hand held radios.  Everyone now coming into "Ham radio" just wants walkie talkies that work over greater distances. The cheapest way to start in the hobby is the FREE  Scanner Radio  app for your phone. This will allow you to listen on Ham radio repeaters, and fire, police, airport traffic on your cell phone. You can't talk but even for advanced Hams this is a great app. Let's look at the 3 things that killed Ham radio,...

2 inch PVC pipe and green PVC roofing cover 6ft x 3ft x 15in wide This project was simple, cheap and effective.  It's been outside 5 years with no sign of wear, and supports the weight of a quarter cord of wood, out of contact with the ground, dry from above and allowing air circulation. Close up of the pipe details. The pictures petty much show I just used PVC pipe and 90 degree joint connectors, I didn't even need glue.  You can drill holes and use some washers and screws to connect the cover.  I bent the green roof cover over and attached it to the front, after the first year I took out those screws to make for easier access, once the PVC was bent into place.  The back I didn't care about as it's under the overhang from the house. This has worked out to be a much better solution than covering the wood with tarps and cheaper in the long run, my tarps were tearing within a couple of years due to sun, wind and rain, and I had to buy chains and ...

My original Soda Club Edition 1 (left) and latest SodaStream Power (right) One of the first things you'll find after you buy a "carbonator" from Soda Stream or others is the CO2 refill bottles are very expensive, assuming you can find somewhere than sells them.  Too expensive in fact.  It's likely you can buy case of Pellegrino at Costco for less per litre than you'll pay for the 60L CO2 refill bottles.  So, all you're getting with Soda Stream is the opportunity to drink local tap water, which likely is not as good Pellegrino, what with Clorine and Floride being added.  At least it's easier to carry a single 60L CO2 bottle home than a case of Pellegrino. Now CO2 being one of the most common gases on Earth, one would think it would be cheap and easy to obtain, and it is.  Soda Stream more or less is charging you $40 for a bottle of compressed air.  The only trick is getting CO2 into the bottle under pressure.  At that price point most ...

The number one question I get as an archery instructor is how do I get started, followed by what bow should I buy.  Here are some simple answers, this is what you need to buy: Bows: Kids 7-10 years, a recurve bow, 14-20 pound "draw weight" (how hard it is to pull the string back), 45 inch in length.  This is a "real bow" that you can actually hit a target with, not the toy bows they sell at Target.  This is a fine bow for all ages, adults can (and should) start learning on this bow, it's much easer to learn to shoot on a low draw weight bow. Here are some examples, either from Amazon or at least you'll know what to ask for at Bass Pro Shop: Martin XR Recurve Bow Kit Crosman Archery Sentinel Youth Recurve Bow Teen age to adult bows, you need to be taller and stronger to handle these: PSE Razorback Recurve Bow Ragim Wildcat Jr 54" 16# Ragim 2013 Ragim Wildcat Jr 58" 22# Ragim Wildcat PLUS Takedown Recurve Bow Complete Archer...

Genius Max Loughan Explains the Mandela Effect    The infinity of parallel universes exists, and it is possible to move between parallel universes, voluntarily or involuntarily. Each separate parallel "line" of infinite universes is either 1 tick of time unit ahead or behind our time, thus all time exist at once, as the parallel lines are both a line and point at the same time. Therefore, one can move to the "left" or ahead in time or "right", behind in time. This not the same thing as time travel, one cannot move "up" or "down" on any universal line. Therefore, if you move a sufficient number of lines to the right, to reach the point where you were born and you prevent your own birth, you don't cease to exist, that "you" won't exist on that line going forward. What Max is describing though is mostly memory theory, each person's brain records and stores data in a unique way, influenced and based ...