Live data from Hacker News

Amateur Radio in Play in Aftermath of Nepal Earthquake

arrl.org

21–30 of 66 posts

Re: Amateur Radio in Play in Aftermath of Nepal Earthquake

#21
post #2

I wonder how many HN readers have amateur radio licenses? I got one last month (AF7PL). Now I'm working on getting a radio. I don't want to just go out and buy something. I want to do this old-school, and so have at least some of the major components of my shack home built (and ideally home designed). I may partially relent, though, and buy a handheld transceiver for 2m/70cm. My electronic construction skills are pre…

Currently studying to take the test next weekend. There's actually some really great free resources for anyone looking to learn[0][1]. That said though, a couple guys at my work have really gotten into it and have started volunteering at some of the events around the Boston area where I live. There's actually a surprisingly large demand[2] for amateur radio operators at public events like the Boston Marathon and part…

hamexam.org is also very good.

There are also some nice apps. The free "Ham Radio Exam" apps for iOS by Roy Watson (one for Technician, one for General, and one for Extra) are quite good. I made extensive use of them.

Here, generally, is how I prepared for the tests.

TECHNICIAN. The electronics knowledge I already had from non-ham interests, plus what I remembered of ham rules and operating procedure from some studying I had done when I looked at getting licensed back in the '70s when I was a kid, covered most of the test. I took a few practice tests and passed them. I then read KB6NU's No-Nonsense Technician guide to fill in the gaps, and then drilled at hamstudy.org and hamexam.org until I was consistently getting 95+%.

GENERAL. I got the ARRL book for this. For Technician, I was fine with the no-nonsense guide, because all I was missing were things that you really just have to memorize. For General, I needed to actually learn some things. It took a week to go through the ARRL General book. I went through it in order. Then I drilled at hamstudy.org and hamexam.org until I was always passing practice tests by a comfortable margin. I found Roy Watson's apps during this and added them to the mix.

EXTRA. After finishing the ARRL General book, I still had a week until the exam, so on to the ARRL Extra book. I started with the chapter on antennas and feed lines, because that is one of the biggest areas on the Extra exam (8 questions) and my prior electronics knowledge did not cover this. I wanted to get that done early, so I could drill that section throughout the week. Then I basically did the book in order. Near the end of the week, it became clear my pace wasn't fast enough to actually finish the whole thing the way I was doing it.

The way I had been doing it was to read a section until I got to the point where it said to try specific questions. Then I'd try those questions, and if I got any wrong redo the section. To speed things up I changed this so that I'd quickly skim a section and decide if it was something I was already reasonably familiar with. If it was something new to me, I'd go back and do it the slow way. If it was something that I did already reasonably know, I'd skip straight to the questions. If I aced them, I'd move on.

While studying for Extra, I was doing practice General tests. Restroom break--take a test while sitting on the can. Commercial break while watching TV--take a test. Drive-through slow at Wendy's--take a test while waiting for them to take my order. I'd also toss in the occasional Technician practice test.

I finished the Extra book a day before the test. That last day, I took several Extra practice tests, and continued with the General and Tech practice tests to keep that material fresh.

It worked. I passed all three tests the next day (100% on each...not unexpected for Tech and General as I was generally acing them in practice, but a surprise on Extra, as I had never aced an Extra practice).

I highly recommend the ARRL books for General and Extra. Most of the other popular study aids I saw seemed to me to tilt too far toward just covering the test questions. The ARRL books flesh things out more, covering things not on the exam but related to things on the exam, so you come away with a better understanding. With the ARRL books, it did not feel like I was studying for the exam--it felt like I was learning interesting stuff that just happened to include what would be on the exam.

Re: Amateur Radio in Play in Aftermath of Nepal Earthquake

#23
post #2

I wonder how many HN readers have amateur radio licenses? I got one last month (AF7PL). Now I'm working on getting a radio. I don't want to just go out and buy something. I want to do this old-school, and so have at least some of the major components of my shack home built (and ideally home designed). I may partially relent, though, and buy a handheld transceiver for 2m/70cm. My electronic construction skills are pre…

KJ6VVJ and some former call signs, part of NALCO ARES/RACES in East Bay.

Re: Amateur Radio in Play in Aftermath of Nepal Earthquake

#25
post #2

I wonder how many HN readers have amateur radio licenses? I got one last month (AF7PL). Now I'm working on getting a radio. I don't want to just go out and buy something. I want to do this old-school, and so have at least some of the major components of my shack home built (and ideally home designed). I may partially relent, though, and buy a handheld transceiver for 2m/70cm. My electronic construction skills are pre…

KG4ZHA here. I have been doing it for a little over 10 years now. I second the Baofeng recommendation, it is a great starter radio and you will be able to find a local 2m repeater to participate in.

I would also recommend looking for a local radio club, or see if ARES has an organization in your area.

While not required anymore for HF, I have the most fun with CW. It is amazing what some of the small 1-5w QRP radios are capable of these days. There are plenty of small kits that will get you on the air in an afternoon of assembly.

Re: Amateur Radio in Play in Aftermath of Nepal Earthquake

#27
post #2

I wonder how many HN readers have amateur radio licenses? I got one last month (AF7PL). Now I'm working on getting a radio. I don't want to just go out and buy something. I want to do this old-school, and so have at least some of the major components of my shack home built (and ideally home designed). I may partially relent, though, and buy a handheld transceiver for 2m/70cm. My electronic construction skills are pre…

KC2ZUF here -- HN lurker, active ham.

I am going to nth the recommendation to purchase a used HF transceiver. When I got my license I took the approach you did.

However, the challenge is the easy/inexpensive radios to build are mostly CW (morse code) only. Learning CW is fun, but it's one more barrier, and will keep you away from other interesting ham radio activities (like digital modes). There are solid SSB/AM/etc transceiver kits (like the Elecraft ones someone else mentioned) but they are much more expensive.

The homebrew ones also tend to be lower power, which is fun, but will make it much more frustrating to try to make your first contacts.

A straightforward project I recently completed was to build a TNC Pi (http://tnc-x.com/TNCPi.htm). That will only require a VHF radio, and you'll get to put the kit together and (likely) make your own connector cable.

Re: Amateur Radio in Play in Aftermath of Nepal Earthquake

#28

Is internet over ham radio still a thing? In this particular case, it could help a lot of people, enabling them to quickly and efficiently update their status with their family via email / twitter / google person finder.

Check out: http://www.broadband-hamnet.org

The amateur radio service has overlapping frequency allocations with ISM/WiFi.

Re: Amateur Radio in Play in Aftermath of Nepal Earthquake

#29
post #2

I wonder how many HN readers have amateur radio licenses? I got one last month (AF7PL). Now I'm working on getting a radio. I don't want to just go out and buy something. I want to do this old-school, and so have at least some of the major components of my shack home built (and ideally home designed). I may partially relent, though, and buy a handheld transceiver for 2m/70cm. My electronic construction skills are pre…

K6LSK, formerly N6BDO Licensed for 35 years. Homebrew is a great way to go but, outside of building some small QRP projects or antennae, it's a major investment in time and money to build usable receivers or transmitters. That said, the feeling of accomplishment you get from using something you built is almost without equal. Have fun!
Post reply on HN