ARRL The Doctor is In
Activity Overview
Episode publication activity over the past year
Episodes
The Best of the Doctor Is In: Coping with the Solar Minimum
30 Jan 2020
Contributed by Lukas
Originally distributed in September 2016
The Best of the Doctor Is In: Are Linear Amplifiers Really Worthwhile?
16 Jan 2020
Contributed by Lukas
The episode was originally distributed in June 2016.
The Best of The Doctor is In: Does CW Get Through When Nothing Else Can?
02 Jan 2020
Contributed by Lukas
Originally distributed in April 2016
Holiday Mailbag
19 Dec 2019
Contributed by Lukas
The Doctor answers a number of interesting questions from listeners.
VHF/UHF Propagation
05 Dec 2019
Contributed by Lukas
Repeaters aren't the only ways to span long distances in the world above 50 MHz.
Big Wire Antennas
21 Nov 2019
Contributed by Lukas
Rhombics, Lazy Hs, Curtains, oh my! The Doctor talks BIG wire antennas for the HF bands.
Antenna Switches
07 Nov 2019
Contributed by Lukas
There is more to an antenna switch than meets the eye. The Doctor explains.
Beverage Antennas
24 Oct 2019
Contributed by Lukas
The Doctor discusses a legendary receiving antenna -- not adult drinks!
Antenna EnTRAPment!
10 Oct 2019
Contributed by Lukas
Awful puns notwithstanding, antenna traps are clever devices, but not many amateurs understand how they work. The Doctor explains . . .
Keeping Water Out of Coaxial Cables
26 Sep 2019
Contributed by Lukas
Water is one of the great enemies of coaxial cable, causing severe loss and other issues. The Doctor explains how to keep H2O at bay.
Coaxial Cable Connectors
12 Sep 2019
Contributed by Lukas
The Doctor discusses the wide variety of coaxial cable connectors, including some you may not recognize.
Different Types of Grounds
29 Aug 2019
Contributed by Lukas
What sort of ground do you need -- RF or electrical safety? It makes a big difference, as the Doctor explains.
The Legendary G5RV Antenna
15 Aug 2019
Contributed by Lukas
The Doctor separates myth from fact about this very popular antenna for the HF bands.
Noise Blankers and Noise Reduction
01 Aug 2019
Contributed by Lukas
Different tools for different applications. The Doctor explains the differences.
Antenna Polarization
18 Jul 2019
Contributed by Lukas
Your antenna's polarization can make a big difference in how well you can hear, and be heard -- especially on VHF and up.
Selecting Coaxial Cable
04 Jul 2019
Contributed by Lukas
There are many types of cable for many applications. Which type do you need?
ARRL's The Doctor is In - Listener Mailbag
20 Jun 2019
Contributed by Lukas
The Doctor answers questions from listeners!
ARRL's The Doctor Is In - Stringing Up Antennas
06 Jun 2019
Contributed by Lukas
Trees make handy supports for wire antennas, but getting an antenna into a tree -- and keeping it there -- can be a challenge.
Do Dipoles Have to be Straight?
23 May 2019
Contributed by Lukas
The answer to the question is an emphatic "no," and the Doctor explains why.
It's About Time!
09 May 2019
Contributed by Lukas
A discussion of UTC as well as the importance of accurate time for a number of digital modes.