On June 12, 1926, the Japan Amateur Radio League (JARL) was founded by 37 pioneering members, and a historic message was transmitted to the world:
“We have the honour of informing that we amateurs in Japan have organized …
For those of you who missed this workshop, We are attaching the presentation in the following link:
https://www.iaru-r3.org/wp-content/uploads/2025/07/EMR_EMC-Workshop-material.pdf
…
HAM Fair 2025
“Take off to the World of Amateur Radio at Ariake“
Dates: August 23rd (Sat) and 24th (Sun), 2025
Admission Fee: 2,000Yen, JARL Members/Disabled Fee (show membership card or disability certificate): 1,000Yen
Free admission for Youth below 22 …
Topic: EMR Introduction “What is Radio Noise?”
Speaker: Dr. Choi Yong-Seok HL3OB, IARU-R3 EMC/EMR Coordinator
1. What is Radio Noise?
2. Singal to Noise Ratio
3. Noise Temperature
4. Amateur Radio Rig
5. Types of Noise
6. …
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