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August 2023
World Radiosport Team Championship WRTC 2022 (2023) Bologna, Italy, 4-11 July 2023
July 2023
Controlling the rotation speed of a DC motor
Friedrichshafen Ham Radio Fair 2023
How many colors do you see when a colored disc is rotated at high speed?
June 2023
Project No.5 Upgrading the counter to 4-digits
Parks on the Air in Thailand
Project No.4 Making a push-up counter
May 2023
Project No.3 Making an Up/Down counter (Part 3)
REMOTE - On the air from anywhere
RAST on The Beach 4
Project No.2 Making an Up/Down counter (Part 2)
April 2023
Project No.1 Making an Up/Down counter (Part 1)
Description of up-down counter using 74HC192 and 74HC4511 ICs
An improved portable Magnetic Loop “Magloop” Antenna
Fred Laun K3ZO Silent Key (Part II)
March 2023
Considerations when making a dual voltage power supply for operational amplifiers
Fred Laun K3ZO Silent Key (Part I) A great loss for amateur radio
Building of an RF Volt-Ammeter for QRP operation
February 2023
Summary of Microwave Activity 2022 in the Mediterranean Area (EA - F - I)
SHF Activity in ZL (New Zealand)
Observing filter characteristics with a white noise generator
HF Amateur Radio Seminars Hosted by RAST and NBTC BW/E25KAE, The First Thai HAM Operator in Taiwan
DL7JU’s Osaka Travelogue
CQ World-Wide DX Contest SSB & CW 2022 from Ban Ta Bong (The Center of the World)
January 2023
Current microwave band operation in Japan
Today’s SHF Ham Radio Activities in Germany
SHF Operation in the U.S.A.
IC-905 Specifications Revealed at the Icom Fair
December 2022
Communication experiments at 5600 MHz and 10 GHz using the Icom IC-905
CW Key, a hot topic found in Osaka’s Nipponbashi
DL7JU Showroom tour at Icom’s headquarters office
POTA Activations in Thailand by JJ1DQR, Advanced Class Examination for Thai Amateur Radio Licenses
White noise generator project
Is noise actually reduced in twisted pair cables?
November 2022
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