Amateur Radio Weekly – Issue 121

Radiosport vs. Pokémon GO
It should come as no surprise that ham radio operators are drawing comparisons between Pokémon GO and Amateur Radiosport.

Growing 6m JT65 activity
On several occasions this week, I have heard or worked dozens of others on JT mode while the bottom end of the band appears void of signals.

North Korea activates numbers station
A female announcer at the radio station read numbers for two minutes on 24 June and 14 minutes on Friday.
The Guardian

What’s In your rubber duck?
I often refer to the rubber duck as The World’s Most Convenient Crappy Antenna.

Life as a blind radio Ham
Anyone can join in the conversation and sometimes you find yourself talking to a dozen or so people across the ends of the Earth.
Largs & Millport

Smartphone vibration motor as microphone
Two researchers from the University of Illinois at Urbana-Champaign have devised a method for turning vibration motors, like the ones found in smartphones, into makeshift microphones, capable of recording the sound around them.

How to: GPS spoofing (to hack Pokémon GO)
As satellite GPS signals are very weak while receiving on earth, transmitted signals with the HackRF will be very strong in comparison

A speaker mic NOT to buy
I’m guessing this one didn’t pass through quality control, if there is such a thing at the Baofeng factory.
Digital Mobile Radio

Receiving WSPR with RTL-SDR
Direct sampling mode allows you to receive HF signals on an RTL-SDR without the need for an upconverter

Amateur Radio Weekly is curated by Cale Mooth K4HCK. Sign up free to receive ham radio's most relevant news, projects, technology and events by e-mail each week at

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