Tag Archives: prepper

Communications Security (as good as it gets).

Beyond OPSEC. Last month we discussed operational security (OPSEC) and why it’s important to off grid hams. As a follow up to that, it’s worthwhile to talk about how to keep your communications private. After all, operational security is very difficult without also having some form of communications security. The… Read more »

Operational Security (OPSEC) For The Radio Amateur.

opsec

It seems so innocuous. Have you ever spotted an impressive antenna on someone’s house and thought, “wow, now there’s a kickass setup!” Or maybe you have a neighbor who goes for a one hour jog at the same time every day. What about that house up your street that is very… Read more »

Antenna Tuner Basics.

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antenna tuners

In search of the “perfect” antenna. A lot of off grid amateur radio involves compromises. We don’t have the same resources as grid-connected hams. Many off grid hams operate portable stations, which presents even more givebacks. One of the most common compromises is the antenna. When trying to go portable,… Read more »

Portable DC Power Pack 2.0

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Revisiting a classic. It’s been three years since I presented an article about the DIY portable DC power pack. It’s still one of the most popular articles here on Off Grid Ham. Almost every radio amateur has some version of this gizmo. Over the winter I had the itch to… Read more »

The Transmitters of Freedom Should Be Turned Back On!

Where am I going with this? This article will be outside the mission of Off Grid Ham but I hope you’ll stay with me. I’m going to drift away from my usual schtick and use my substantial internet platform to bring attention to this neglected issue. My point can be… Read more »

When It’s Time For New Storage Batteries.

storage batteries

That day will come. Those who depend on large storage batteries for their off grid needs dread the day they need to be replaced. It’s expensive, time consuming, and potentially dangerous. Common deep cycle flooded storage batteries bought at retailers will last about 2-3 years if used daily and maintained… Read more »

Flooded Batteries For Off Grid Radio, Revisited.

Over on the Off Grid Ham affiliate Google Groups.io forum a reader asked a question about how to properly maintain flooded batteries, also referred to as wet cell batteries. We have addressed this topic before but as a result of recent interest it’s a good time for a flooded batteries refresher course…. Read more »

You’re Invited to the Off Grid Ham Google Group.

I’ve been wanting to expand Off Grid Ham’s outreach for some time. I thought about starting an internet chat forum, but that would involve very disruptive changes to the website and a lot of ongoing maintenance. A Facebook page was considered too. I had more or less given up on… Read more »

Casting the Net.

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HAM RADIO NETS

It should not be this hard. Off Grid Ham reader Jim from Oregon, USA recently emailed to comment about the lack of on air radio nets specifically for preppers/survivalists and off grid hams. That sent me straight to my computer, where a cursory search suggested that he’s onto something. I… Read more »

My Favorite Things.

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Getting back to business. Since the holidays are over and we are in that dull time between New Year and warm weather, it would be a good moment to take stock of where you are with your off grid goals and determine where improvements are needed. If you got money… Read more »

An Introduction to AC inverters.

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A mature technology. AC inverters are like other technology in that during the early  years they were very expensive and didn’t work particularly well. Over time they were tweaked and improved and today inverters are better and less expensive than their ancestors. I suggest including an inverter in your off… Read more »

Portable QRO for Regular People.

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In a recent article we did a deep dive into assembling a portable off grid radio station that was light and minimalist enough to be carried a fairly long distance by one person, but still had enough functionality to be an effective communications tool. That goal necessarily required using QRP… Read more »