On the surface, it just sounds like listening to a bunch of old farts babbling on about their enlarged prostates, and tbf, there is a bit of that if you never go any deeper than 2M/70cm voice modes.
But there’s just SOOOO much you can do.
Want to see how far you can bounce a signal off a mirror laying on the surface of the moon? Yup. You can do that.
Want to launch and communicate with your own satellite? Yup. It’s a thing.
Want to remotely control devices from hundreds of miles away without using the internet? Yup.
Want to gps track your car at all times, even when there’s no cell phone service? That’s called APRS.
Want to have a conversation with astronauts on the ISS as it flies overhead? They’ve got ham equipment on board.
You can even play with broadcasting and/or receiving “secret” tv and radio stations - that is, they’re on alternate frequencies that regular TVs and radios don’t pick up.
Birding, you’ll be truly surprised by the variety of just birds around you. Perks: it gets you out on trails, low cost of entry (binoculars), the data you produce of birds is used for research, and you’re just observing so you don’t need to worry about harming animals.
This was a relatively short-term thing, but I think it counts loosely as hobbyish... in my 20s, I was determined to find the best bloody mary in town. I went to every single bar, restaurant, etc. and tried each one in turn.
Which sounds boring, I know, but I had so many great conversations and met so many interesting people.
And to answer your likely question: Surprisingly, Red Lobster, which made its own mix from real tomato juice and didn't use some crappy bloody mary mix. This was in the 90s, so I can't endorse their current bloody mary.
Self Hosting. I love optimizing my securing my life while improving my family's privacy. Nextcloud to store and backup media, contacts, and knowledge base. Hosting a free remote VPN on OCI, remote encrypted backups to a fellow enthusiast's server...I love that while my data is local, if my house was to burn down, the years of pictures and precious memories will still be available. I also like being able to use this tech to help people close to me, doing backups for them, sharing ISO's, etc.
Home Automation. It can be as simple as buying a hub and some devices. But, I went the self-hosted route using Home Assistant to give me more control of what it can do.
I have some automations that turn on a certain set of lights on when the sun sets and off when it rises. It's pretty simple, but saves electricity because I used to leave my front porch light on 24/7.
I just set up an automation last night that sends me a discord notification when the laundry machine finishes and the same for the dryer. I can't hear the beeping because I am always too far from the laundry room. This one has me so excited!
I've seen people automate gardens which seems really neat. Really, your only limit is your imagination. I also just really like having an app on my phone to toggle power to random lights and fans around my house. It helps me get out of bed because I can turn the fan off when I'm cold in bed.
hardware hacking, it feels like you are trying to solve a weird puzzle in which sometimes even the dumbest things may work, and at the end you have a device you can do whatever you want with.
Hypermiling. The act of getting the most gas mileage out of your car. When you get into it, there are an insane amount of factors that play into it all, from driving habits, aerodynamic car mods, engine mods, power usage, tires, wheels, suspension, etc. the rabbit hole is deep, my friend
Historically it is a hobby that's had a high financial barrier to entry.
But the past decade has had a huge flourish of affordable and unique synthesizers and related musical equipment show up on the market. A lot of this stuff can be a TON of fun regardless of your musical knowledge/skill level. A few days on YouTube and a hundred bucks and beginners can be making their own music, with or without a computer with audio software.
It starts simple, and can go to endless depths of creativity.
Film photography. With smartphones having taken over the roll of point and shoots and covering the majority of people's photography needs, it's quite a different experience breaking out a half century old camera. Everything is more tactile, your shots are finite, and the result is a 100% determined by your decisions. Different films produce different results, and if you get into developing your own film you get to play mad chemist in the bathroom.
There's a learning curve, but if you're already into photography and understand the basics it's really not that hard. Labs still exist to develop for you if you'd rather not go down that rabbit hole. The results may surprise you!
Gets a lot deeper than I ever thought it could. The mechanics of making a car go around turns better/faster gets very in depth. Lots of trial and error. Race every 2 weeks so tons of time to experiment with adjustments between race days.
Ages range from near 80 to 10... everyone out just having a good time and helping each other for a few hours. During winter, Florida busy season, we have 50+ people racing 5-6 different classes in a public parking lot.
Started with a used off the shelf car for $75 from a club memeber 5 months ago... now building competition grade kits and put up shelves in the bedroom for all 7 of my cars. Almost all used for VERY cheap that just needed a bit of love to be competitive again.
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