Showing posts from January, 2013

What is your LoTW QSL/QSO ratio?

We are very enthusiastic about the ARRL's Logbook of The World (LoTW).  It is an excellent concept, easy to use, cost effective, generally fast, and an useful source of interesting data.  Being numerically inclined, one of the things we check from time-to-time is the ratio of our QSO's confirmed via the LoTW.

You have 3,556 QSO records
You have 1,486 QSL records

As we write this on January 16, 2013, there are 54,750 ham registered with LoTW and our QSL/QSO LoTW ratio is at 42%.  Being a glass-is-half-full ham, we do expect with time to see this ratio increase as more hams join in the fun and become LoTW subscribers and upload their logs.

There is a fascinating area of study in economics regarding networks.  One of the important ideas from network economics is that the utility that a single subscriber gains from participating in a network is a function of the size of the network.  The more subscribers, the more utility each subscriber derives from belonging. 

To illustrate, j…

K7UGA Barry Goldwater's Birthday January 2, 1909

Today we remember the great Senator Barry M. Goldwater (K7UGA) who was born on this day January 2, 1909.


FCC Technician Exam Question Of The Day (T5C05)

Q) What is the unit of frequency?

A) Hertz

NJ2X Notes:
The unit of measure for frequency (hertz) is named after named after the German physicist Heinrich Hertz for his work in the electromagnetic theory of light.  The SI unit "hertz" is abreviated as "Hz".  Frequency in hertz is the number of cycles of a repeating event per unit time measured in seconds.  So 1Hz = 1 cycle per second.