====
New Category Multi 2TX (2021-03)
We will have the "MULTI-OPERATOR 2-TX" category in 2021.
(CQ-WW Two-TX QSY rule will be applied)
The exact rules were published in Feb. 2021.
====
Web Log Submission (2020-04)
(Thanks to JH3LFL for the Code)
You can Upload your log file from the following URL;
Web Log Submission
====
PDF Certificate
[No more Paper Certificate will be published but the PDF only.]
(Thanks to JH3LFL for the Code)
** PDF certificate will be issued to the Winners only.
The winners are marked "*" in the result.
All PDF certificates upto 2021CW are available (2021-09)
All the winners can generate your PDF certificate here;
Click -> PDF Cert
If you have any problem(s) to generate the certificate, please contact
JE1CKA Tack Kumagai, je1cka@gmail.com
===
Plaque program
Since we lost the sponsor for JIDX. The plaque program is not running yet.
It will be announced as soon as possible - be patience
If you do not receive past certificates or plaques,
please contact
JIDX-Chairman(jidx-chairman@jidx.org)
or Please use the following Bulletin Board
JIDX Contest
===
Contact
If you have any inquiries, please send an email to;
je1cka@gmail.com
Please indicate "JIDX Contest #Year #Mode #Your-callsign"
(ie. JIDX Contest 2015 CW JE1CKA)
in the Subject: line. Without this indication, your email will go
to spam folder.
http://jidx.org/index.html
Antenna
Handheld HF System – Elecraft KX3 and a AlexLoop Antenna – Antenna Description
“Handheld HF System – Elecraft KX3 and a AlexLoop Antenna This is my first try no make a Magnetic Loop to be integrated to the Elecraft KX... Read more
Ionopheric Propagation of Dipoles
Edwin Anderson, asks what is the proper orientation and angle for a dipole if he plans to use it for ionospheric propagation? Read more
2018 QST Antenna Design Competition Winners Announced
ARRL has announced the winners of the 2018 QST Antenna Design Competition. “Dozens of entries were received, but only three could win,” said... Read more
Five Band Indoor Magnetic Loop Aerial by G4IZH
This aerial covers the 20, 17, 15, 12 and 10 metre bands and is made from a single 3 metre length of 22 mm copper tube cut into 4 pieces of equal leng... Read more
8.5 DB gain for less than $40.00 – 50MHz Yagi
by W3GAS The Yagi is one of the simplest directional antennas you can build today. There are no moving parts, and the Yagi can be matched to 50 OHM v... Read more
Review
uSDX+ v2 8 – HF TRANSCEIVER
uSDX Here we take a look at the uSDX+ Version 2 8 Band All mode HF Transceiver with Surprising Results! it is optimized fromuSDX QCX-SSB ope... Read more
Noise Reduction Speakers
Oggie John Reardon, KD0RON, asks about noise reduction speakers. Read more
Yaesu FT-891 Initial Impressions
“Introducing the Yaesu FT-891! My new portable HF Transceiver for Ham Radio! The FT-891 is a 100w rig for HF-6m at just shy over 4 lbs. A super... Read more
CS-580 DMR Radio Review and a big announcement
CS-580 DMR Radio The CS580 is one of our most exciting new products that we have designed in the past 30 years. This DMR radio is designed specificall... Read more
Noise reduction in your shack – RFI
Also read This Common-Mode Chokes by Chuck Counselman, W1HIS is well worth reading. Read more
Equipment
Geocron Atlas 4K
A brief overview of the GeoChron Atlas 4K A Worldview in 4K with Satellites, Weather, and Commercial Aviation The Geochron Digital Atlas 4K gives view... Read more
Icom RS-BA1 IP Remote Control Software
Icom RS-BA1 IP Remote Control Software NEW FEATURE: OPTIONAL ACCESSORY RC-28 Remote Control USB Encoder The RC-28 utilizes the same tuning knob... Read more
New ! Ameritron SDC-104 Screwdriver Controller
Ameritron SDC-104 Super accurate tuning . . . Ultra-fast . . . Extremely Reliable . . . 88 memories . . . StallProtector . . .Fully RFI protected . .... Read more
RM Italy BLA-600 Review with Martin Lynch
The BLA 600 is a wideband compact, fully automatic 500W wideband linear amplifier for the HF bands and 6m, from 1.8 to 54 MHz. Totally ideal for runni... Read more
