Tag Archives: prepper

An Introduction to AC inverters.

      3 Comments on An Introduction to AC inverters.

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.

      18 Comments on Portable QRO for Regular People.

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 »

The Travel Light Portable Off Grid Radio Challenge

A majority of off grid amateur radio involves portable operation with small systems. There are many reasons for this: Many people cannot afford large scale fixed solar; some are held back by homeowner association rules or want to incorporate amateur radio with camping & hiking activities. Other amateurs are motivated… Read more »

Some Great Propagation Calculator Websites.

I always seem to find the coolest stuff when I’m looking for something else! While researching for a future Off Grid Ham article I happened across two on line propagation calculators that can determine what HF bands are best for any time or operating condition. There are many other similar… Read more »

EMP Protection for the Radio Amateur, an Encore.

A follow up to my November 2017 article about electromagnetic pulses (EMP) was not in the plan. Then Off Grid Ham reader “Charles” hit my email inbox with a bounty of information related to this topic that was too good to keep to myself. I’ll respect his request not to… Read more »

EMP Protection For The Radio Amateur.

      7 Comments on EMP Protection For The Radio Amateur.

Radio amateurs are often motivated to have off grid power capabilities as part of preparing for short term emergencies and long term SHTF scenarios. But what about protecting your radio equipment and off grid systems? Your stuff can’t help you in a disaster if it’s the victim of a disaster itself…. Read more »

Off Grid, On The Cheap. You Can Do This.

      4 Comments on Off Grid, On The Cheap. You Can Do This.
cheap

Many amateurs badly want off grid capabilities, but cite financial concerns as the main barrier. Can off grid amateur radio be done on the cheap? The answer is subjective, depending on how one defines “cheap” and how much power is needed, but in general, yes, it’s doable and I’m going… Read more »

Hurricane Harvey Reality Check (some STILL won’t get the hint).

About a week in, the epic story of hurricane Harvey is still unfolding. Compelling video footage of human decency and nature’s violent fury are at the same time both uplifting and disturbing. No matter what else happens and no matter how devastating the damage, I am confidant that the American… Read more »

QRP vs. QRO…Let’s “Go There”.

qrp vs. qro

I get just the right amount of reader email and public replies to my articles here at Off Grid Ham: Not so much that I can’t personally respond to everyone, but enough to get a good feel for what’s important to the off grid amateur radio community. Surprisingly, the number… Read more »

Field Day 2017 Is Not About One Day.

Field Day is an annual opportunity for radio amateurs to practice their skills and show the world what a valuable resource the amateur radio service is. Many amateurs who are not particularly active in the hobby the rest of the year will always come out for Field Day. Then there… Read more »

The Portable Solar Power Station: You CAN Have It Both Ways (Sort Of)

Based on reader comments and what I see around the internet, the off grid amateur radio community seems to be of the mindset that there are only two real options for solar energy: Large, expensive arrays that produce a lot of power but are permanently installed, and small inexpensive panels… Read more »

Generator Safety: Power Up Without Getting Knocked Out.

generator safety

Inexpensive gas generators are a big favorite in the amateur radio community. Everyone seems to love these effective albeit cheaply made power plants! As they became more popular, the law of averages kicked in and there was an unfortunate but not unexpected increase in accidents and deaths related to small… Read more »