YAESU FT-991A HF/50/144/430MHz ALL MODE http:https://www.yaesu.com/jp/amateur_index/product/ft-991a/index.html

電波利用.jp 無線局等情報検索 https://www.tele.soumu.go.jp/musen/SearchServlet?SK=2&DC=100&SC=1&pageID=3&CONFIRM=0&SelectID=1&SelectOW=01#result

QRZ.com https://www.qrz.com/

MSHV Amateur Radio Software. https://sourceforge.net/projects/mshv/

WSJT-X https://physics.princeton.edu/pulsar/K1JT/wsjtx.html

JTDX https://www.jtdx.tech/en/

PSKReporter https://pskreporter.info/pskmap.html