Issue 147 February 25th, 2017

Icom previews details of ID-4100E D-STAR VHF/UHF mobile radio
The Callsign routing terminal mode feature will allow each radio to be connected like an access point to the worldwide D-STAR repeater network through the internet.
Southgate

Radio News Magazine archive
Every issue from 1919 to 1959.
American Radio History

How-to: Icom External Keypad
A short press on the M1 to M4 button triggers a single voice keyer send, whereas hold the M1 to M4 button for a second enables auto repeating of sending voice keyer memories.
M1BXF

End Fed Antennas – Where’s the other half?
My favorite tends to be the classic ‘Sloper’ with the feed point located on the ground.
K5ACL

International Radio Network
The IRN (International Radio Network) is a VoIP/RoIP system using Teamspeak 3 (TS3) that allows licensed radio users to talk around the World.
International Radio Network

WSPR Antenna Comparison (Loop vs Dipole vs End Fed)
I did 24 hour WSPR runs using 5 watts of power with each antenna on successive days.
High on Solder

Universal Radio Hacker: investigate wireless protocols like a boss
The Universal Radio Hacker is software for investigating unknown wireless protocols.
Johannes Pohl

Open-air wireless charging
Disney Research has invented a new method of wirelessly charging mobile devices that could someday allow amusement park patrons to walk about freely while also getting their mobile devices charged.
Computer World

Assembling the BITX-40
BITX-40, a QRP, SSB, 10 watt, kit.
KE0OG

Visualising shortwave band activity throughout the year
An animation of 24-hour shortwave spectrum plots from Twente WebSDR.
London Shortwave

Thank you for reading.
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