Articles introduced in the Japanese
CQ Ham Radio magazine
Toshihiro Nishikawa JF3MXU
Abstracts and updates on my articles that appeared since April 1998.
Also related links and software downloads.
April 1998 issue
Synopsis on PC control transceiver Kachina 505DSP
It's almost like a PC peripheral than a radio... Talks about the latest technology, etc.
A demo version can be downloaded from the above site.
May 1998 issue
A signal processing software for CW by PC AF-DSP
Synopsis on MRP Ver 3.7
A DOS based software that decodes CW with the sound-blaster.
@
A demo version can be downloaded from the above site.
Experience the beautiful 30Hz CW filter by AF-DSP
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June 1998 issue
A software that creates an azimuth-equidistant map centered anywhere
Written by SM3GSJ : A freeware for personal use
A guide to Great Circle Map Ver 2.2
GCM Ver 2.3 has formally been released. The Ver 2.3 was a beta as of writing the article. The new version also requires VBRUN300.DLL, downloadable at the above website. Refer to the article and notes on the webpage for information updates.
For those of you who what Ver 2.2:
The file is as provided in the original (ZIPPED approx 720kb). Explanation in Japanese is in the CQ article.
July 1998 issue
Azimuth-Equidistant Part 2
(1) AZ-PROJ Mapping Site
Explanation in Japanese in the article.
2) Also introduces an Excel worksheet called BHC that calculates bearings and distances worldwide from your QTH.
Requires MS-Excel v4 or higher (no macro).
Download BHC by K7NO
The file is as provided in the original (ZIPPED approx 75kb). Explanation in Japanese is in the CQ article.
August 1998 issue
Connecting the audio of amateur radio and internet-phone
Special Edition: Ham's phonepatch, case studies
Finally in Japan amateur radio and public phoneline can be interconnected since May of this year. Meanwhile phonepatch has long been recognized in the U.S., and there's a way to access VHF repeaters through internet. This is made possible with flexible operating operating regulations in the U.S. The article talks about a system employing the internet-phone and the procedures.
A Short Term Monthly Column on Meteor Scatter
No. 1 (July '98 issue) History of Meteor Scatter Communications by JA9BOH
No. 2 (August '98 issue) A High-Speed CW software by JF3MXU
Hear this. This is the HS-CW
No. 3 (September '98 issue) MS HS-CW Test Report by JR1ING
Also there's an article introducing the HS-CW operating practices in the West.
Comments are welcome. Please send them to myself or to CQ Publishing Company
The articles in the CQ Ham Radio and this webpage are written
in
collaboration with Chuck Nakamura,
JH3OII / AJ1A.
Toshihiro Nishikawa jf3mxu@hi-ho.ne.jp
Last Updated 29.JUL.1999
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