Category Archives: kits

Bencher Paddles and Memory Keyer UNITE!

As soon as I get my Yaesu System Fusion FTM100-DR online, I want to mate my Bencher paddles to the new MFJ-490X Menu Driven Memory Keyer that I picked up at the 2016 Dayton Hamvention last week (May 21, 2016).  I am itching to get these two toys working in some CW / More Code Contesting very soon!  5 programmable memories plus all sorts of keyer speed, weighting, side tone, hand key capability, serial number decrements, random code practice, iambic settings, etc.

(See video below!)

MFJ-490X Memory Keyer  Instruction Manual

 

 

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Intro to Kit Building for Radio Amateurs by K7QO (Chuck Adams)

Chuck Adams (K7QO) makes a club presentation on Kit Building basics.  He highlights what every ham radio operator needs on his workbench to build kits or make repairs.

K7QO Chuck Adams website

Morse Code: Dual Lever Paddle Adjustment Tutorial

K7QO MFJ-564B Dual Lever Paddle Adjustment Tutorial

K7QO Chuck Adams website

This is an excellent explanation of the taxonomy of a dual lever paddle (i.e. Bencher and MFJ) and how to make the adjustments that are critical for efficient CW / Morse Code sending in your ham shack.

The alphabet in Morse Code / CW sent at 20 words per minute (wpm)…

 

DR-1X System Fusion Repeater and the HRI-200 WiresX

A nice video showing the basics of the setup with the HRI-200 and the Yaesu DR-1X System Fusion repeater.

APRS… Automatic Packet Reporting System

The thing I absolutely LOVE in this wonderful hobby of Amateur Radio is that there are so many diverse niches to explore!  Everything from building your own radio, working through satellites in orbit, transmitting your own slow or fast scan TV signals, Morse Code working over 300 countries in the world on less than a half of a watt of power, emergency response, tons of digital modes, bouncing signals off of the moon, ricocheting your signals off of an excited aurora… basically, if you have an idea on getting a signal transmitted or received to someone you can invent your own technology!

Automatic Packet Reporting System (APRS) combines ham radios, GPS and tiny computers to report your location, regardless if you are standing on a street corner, in a moving car on the highway, camping, hiking, boating, balloon tracking, airplanes or even in space!  Believe it or not, your own cellphone can serve as the computer part, software and GPS .  Check out this slideshare from  on the nuts and bolts of this fun segment of ham radio.  (Click on his name above and check out his other presentations!)

Amateur Radio Go-Box and Go-Bags Examples

Ham Radio Operators need to be ready to roll out to a crisis quickly if it requires communication support.  Are you ready to “grab and go”?  How quickly could you have a functional ham radio station on-the-air ready to support an emergency situation?  Could you support your local authorities efforts, and for how long?  Can you personally sustain yourself with food and water for 3 days of support, without being a burden on the emergency relief efforts?  Constructing your own version of a “Ham Radio Go-Box” and a “Go-Bag” might be a great addition to your preparedness efforts.  Below are some pictures of potential Go-Boxes to stir your imagination and creativity.  You might even have some of the items laying around that could be put into the effort to BE PREPARED.

GO-BOX IDEAS

GO-BAG IDEAS

How Does a Crystal Radio Set Actually Work?

Here is an excellent YouTube video from RimstarOrg that breaks down the concept of how crystal radios actually DO their magic!  Yes, MAGIC.  Radio signals are all around us 24 hours a day.  Invisible!  You can’t really touch them.  You can’t smell them.  You can’t hear them without assistance.  We don’t really feel them bombarding us.  We don’t sense those signals without some mechanical help… but they strike us with many different frequencies constantly… so let’s explore the range of frequencies we can decipher with a homemade crystal radio set!

Crystal Radios. A blast from the past!

Many of us have looked at, or even built a crystal radio set at some point in our lives. Maybe it was in our Scouting days, youth group, science class, science fair… or just to DO IT!  The circuit itself is relatively simple to wire-up.  A long piece of wire acts like an antenna.  Some configuration of earphones or speaker will let you listen to signals.  And believe it or not, the signals are all around you!  The local AM radio station should be easy to hear.  You can even build a simple pre-amp (pre-amplifier) circuit to boost the incoming signal to add extra volume and signal strength to the fun.

Let’s understand WHY a crystal radio set is sooooooo cool!  SIMPLE CIRCUIT DESIGN.  EVEN KIDS CAN DO IT!  EASY TO GET PARTS.  NO EXTERNAL POWER REQUIRED.  INTERCEPTING INVISIBLE RADIO WAVES THAT ARE ALL AROUND US.  Plus, it’s just a pile of fun!

Here is a YouTube video from WonderstruckHow who teaches us to build a very rudimentary crystal radio set with parts that are easy enough to scrounge up.

After you watch the video check out the picture gallery of all sorts of crystal radio sets that can be built in just a short time.  They are great for kids working on a science fair project (and sure beats out a terrarium!)  Some of us “Seasoned Citizens” might actually remember the paper towel tubes or Quaker Oat cardboard cans we wound the magnet wire around and even some of the commercial kits sitting under our Christmas tree!

Straight Key Night… FUN!

Every January 1st there is a fun filled evening of laid back, “no pressure” CW (Morse Code) operating using a simple “Straight Key” to key your transmitter without the aid of added electronics to perform the speed and spacing of your sent letters and numbers.  This isn’t a contest!  It is designed for fun sending CW the “old fashioned” way.  The object is to simply enjoy sending and reading Morse Code.  There are numerous configurations and sizes of straight keys and a jaunt down any ham radio flea market aisle will often give you quite a few options for a great purchase!

Here is a video example of the annual Straight Key Night experience. MIKROWAVE1 explains and actually makes CW contacts with other amateur radio operators enjoying the annual event. (Below the video, look for some pictures of several types of straight keys you might find as a bargain to add to your own ham radio station!

Here are some pictures of various CW (Morse Code) keyers.  You can grab several to use for contesting or just simple rag-chewing.  Some hams actually collect various types of keys!

 

 

See How a Schematic Diagram is ACTUALLY Visualized

“How to read an Electronic Schematic” by Paul Wesley Lewis

Wonderful example of how to visualize and equate the schematic diagram with the actual circuit build out.

How Do I Read a Schematic Diagram?

How to Read a Schematic by RimstarOrg 

If you are going to build a simple crystal radio, a QRP rig or even a 100 Watt HF transceiver, you are going to want to understand how an electronic schematic diagram is read.  It’s not that difficult.  RimstarOrg has a great video on understanding the basic concept of reading a schematic.

 

Multimeter Tutorial by AfroTechMods

THE BEST Multimeter Tutorial

The voltmeter… the Volt-Ohm Meter… the Multimeter… digital or analog… continuity… amperage, voltage and ohms… COME ON, MAN!  What is it and how hard is it to use in the every day life of a ham radio enthusiast or just someone working in their workshop?  Once again, Afrotechmods has an excellent tutorial on his YouTube channel for us to learn from!

 

 

What the heck is an Amp-Hour?

Battery amp-hour, watt-hour and C rating tutorial

Regardless if it’s your flashlight, your 2 Meter hand-held radio, your QRP rig, your Field Day station(s), your APRS setup, your balloon launch radio transmitter, your trolling motor, your emergency preparations or your personal GoBox… understanding how long those batteries that supply operating power will last becomes quite important.  It will also assist you in deciding what battery to select for a particular project or product.  Afrotechmods has several excellent YouTube videos on his channel that we all can enjoy!

Battery Technology Comparison by KF7IJZ

Small AGM vs A123 ALM-12V7 LiFePo4 Battery Module

Explaining USB 3.0

ExplainingComputers YouTube Channel, Christopher Barnatt, explains USB 3.0 and how it compares to USB 1.1 and USB 2.0 and data transfer rates.

Do Volts or Amps Kill You?

Does Volts or Amps Kill You? Voltage, Current and Resistance

This should be a good lesson for everyone, especially Hams that tinker and homebrew serious radio equipment.  You’d be surprised how much is too much!  Safety around radio equipment, coaxial cables, power chords, power lines, lightening storms, grounding straps and towers needs to be at the forefront of our mind.

Excellent YouTube video by RimstarOrg.

 

Portable Battery Box for Kayak… or Ham Radio

There are a ton of variations of portable battery boxes and unbelievably expensive if you buy they retail.  I like building projects at home, so here is another battery box with a very different form profile from some of the other videos on my blog.  DIY!  Here is a video from Derek Dickey on YouTube of his own kayak fishing GoBox.

 

Portable Power Box

Battery Box, Simple Portable Power by KC6TYD

I built a portable battery box years ago out of a used small white lard tub from a Mr. Donut shop here in town to carry 2 small batteries to power “things” on camping and canoe trips.  It charged from a flexible solar panel that I laid atop my packed canoe when fishing on the rivers of West Virginia.  Then at night I had a string of 12 volt car lamp bulbs that I would string up around the campsite for some excellent lighting.  It also had a small LED inside the box that would glow amber all night so that if you needed to get up in the middle of the night you can set the small tub beside the tent flap and push a little button to kick on the rest of the lights.  I like this set up from KC6TYD, too!

GoBox Ideas

GoBox Update from KC6TYD

I am getting ready to put my ham radio station back together after being QRT for a number of years.  When I think about the VHF/UHF section of my station, I may decide to configure those particular technologies in a GoBox, of some sort.  I really like the idea of being able to “pack-n-go” in the event of emergency comms or Field Day type of activities.

 

Analog Oscilloscope bandwidth considerations with W2AEW

Get the right O-Scope!

Monitor your Ham Radio transmitter with an oscilloscope with W2AEW

More O-Scope training!  This guy is so good at teaching it!

Analog Oscilloscope Basics: Making a Frequency Measurement with W2AEW

Bought my first O-Scope at Dayton Hamvention in 2015… here is a good way to learn!

QRP and Tuna’s! (Two Tinned Tunas, that is…)

How to set up and operate a complete QRP ham radio station using the Two Tinned Tunas transmitter, Sudden Storm ][ receiver, and Tuna Helper T/R switch from http://qrpme.com/ 

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4 out of 5 dentists recommend this WordPress.com site

BG5TLA's Blog

Just another WordPress.com site

Tinkertoytech's Blog

Just another WordPress.com weblog

KC4LMD

Chronicling my pursuit of amateur radio’s "Worked All Neighbors" award

Casey's Place

"When we try to pick out anything by itself, we find it hitched to everything else in the universe." -- John Muir

Hackaday

Fresh hacks every day

VK4JAZ

Writings about Amateur Radio

Tactical HF

I love the smell of ozone in the morning...smells like...radio.

WB5RMG : RadioActive Blog

slightly sub-orbital testing facility

73, de N2HTT

A blog about ham radio, Linux and more...

Ham Radio Blog PD0AC

Thoughts of a Dutch radio amateur

Silver Bells Blog

Truth Appealing...

CQ de WT8WV... GraHAM's Dits & Dah's

My journey in amateur radio intrigues and hobby interests

K5UNX Ham Radio Blog

A blog dedicated to things Ham Radio related

Mountain Mists...

A pleasant journey into how I see things... big and small

myrandomrealities

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