The Doctor is In: S units

A legal limit (i.e. 1,500 watts for US Amateur Radio Operators) amplifier can increase your transmitted signal strength by 2 S units but may require some station upgrades.

Learn about some of the considerations involved, and a major limitation, in the Adding an Amplifier to your Station episode of the ARRL The Doctor is in podcast.

Improving your station antenna is arguably a better solution. Read the HF Amplifiers versus Antennas—One Ham’s Opinion QST article to find out why.

These short podcasts are an approachable way of learning about technical topics related to Amateur Radio. Recent podcast topics include:

A complete podcast archive and a contact form for submitting questions to the Doctor are available on the ARRL’s The Doctor Will See You Now page.

About the ARRL The Doctor Is In Podcast

Sponsored by DX Engineering, ARRL The Doctor is In is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone—whenever and wherever you like!

Every 2 weeks, your host, QST Editor in Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions, And the Doctor may answer them in a future podcast.

Enjoy ARRL The Doctor is In on Apple iTunes, or by using your iPhone or iPad podcast app (just search for ARRL The Doctor is In). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. 1

  1. “The Doctor Will See You Now!”, ARRL The national association for Amateur Radio, retrieved February 16 2018, [return]