Tag Archives: ham radio

Inverter Talk.

      4 Comments on Inverter Talk.
INVERTER

You didn’t know you needed one. Off grid amateurs often forego having an inverter as part of their power capability, most likely because DC powered radio gear doesn’t need one. An inverter also adds expense, and in the case of portable operations, adds weight and space. But inverters bring a… Read more »

Keeping Your Go Bag Going.

      5 Comments on Keeping Your Go Bag Going.
survival and preparedness

When one is none. Have you ever encountered a huge radio-related hassle over one small equipment failure? Your entire radio station can be kicked off the air because of one flakey connector or a blown fuse. If you don’t have a solution, you’re done. Equipment failures may be a mere… Read more »

Digital Battery Passport: Be Aware, Not Afraid.

      8 Comments on Digital Battery Passport: Be Aware, Not Afraid.
digital battery passport

Nothing is sacred, including batteries. Do you have concerns about technology intruding on your life and privacy? We have reached a point where even batteries —yes, batteries— are documented and recorded. What am I talking about? You may have never heard of a digital battery passport (DBP), but pay attention… Read more »

The Off Grid Ham 100 Watts For $300 Solar Project -2023 Update

A classic never goes out of style. Way back in 2016 I posted the Off Grid Ham 100 Watts for $300 Solar Plant. Even today, that article is still hugely popular and one of the most viewed posts on this website. In a 2020 update, the $300 threshold not only… Read more »

Wind Turbines For Off Grid Radio: Pros and Cons.

wind energy

The unloved child. Lots of hams are very successful with solar. It seems to be the “go to” off grid power source. I don’t have firm numbers, but anecdotally it appears solar is more popular than even gas generators. Of course, solar is not the only game in town. Wind… Read more »

Lithium Battery Fire Risks: Sorting It Out.

      5 Comments on Lithium Battery Fire Risks: Sorting It Out.
lithium battery fires

Exponential market growth! Lithium battery technology has made exponential market penetration in the last decade or so. Once an exotic and expensive platform, today nearly every battery-powered device uses lithium. Along with increased market acceptance comes attention, both good and bad. Most of the bad news circulating about lithium batteries… Read more »

Perovskite Solar Update.

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The “holy grail” of solar energy? It’s been over six years since Off Grid Ham first covered perovskite solar. For the unfamiliar, perovskite solar is a new type of photovoltaic technology that is based on perovskite-structure crystals. There are several advantages. First, is efficiency. Perovskite solar is far more efficient… Read more »

Battery Isolators, Separators, and Combiners.

When you want to expand your battery capacity. Off grid ham radio has an addictive quality about it. You tell yourself, “I’ll get a modest battery and solar panel and just fool around a little bit. I’m not too serious about this,” thinking that’s as far as you’ll ever go…. Read more »

QRP Alternatives: After The Funeral, What Comes Next?

QRP alternatives

Let the dead rest. Now several weeks out from being the #1 ham radio news story, the Yaesu FT-818/817 product sunset has faded from attention. Anyone not already on the Yaesu platform will have to seek QRP alternatives. Most hams were surprised, some were disappointed, and some were strangely…glad? One… Read more »

Yaesu FT-817 & FT-818: 2001-2022.

      17 Comments on Yaesu FT-817 & FT-818: 2001-2022.
FT-817 & FT-818

The news wasn’t shocking. One would have to be living deep in a cave not to have heard the news. Just before the new year, seemingly out of nowhere, Yaesu announced that it was discontinuing the venerated FT-817 & FT-818 radio. Although the news came as a surprise, anyone with… Read more »

Cheap & Easy Portable Antenna Hacks!

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Revisiting an old topic. I don’t do a lot of antenna articles because there is already so much information in circulation I can’t see much ground left to cover, at least that’s what I thought until new Off Grid Ham reader Rick sent a nice email that inspired this article…. Read more »

Lithium Batteries In The Cold: A Guide.

      7 Comments on Lithium Batteries In The Cold: A Guide.
lithium batteries

Mother Nature flips the switch. Where I live in the upper Midwest USA, we were unusually lucky to have an extended warm Fall season. In early November we were still seeing highs over 70F (21C). I was raking leaves wearing shorts and a t-shirt! But ahhh yes, everyone knew the… Read more »