Category Archives: JT65

UTC clock for macOS

Posted on April 5, 2020 by g6nhu

As radio amateurs, time is important to us and Coordinated Universal Time (UTC), often called Greenwich Mean Time (GMT) is the most important. We log our QSOs in UTC, (ideally) we give net times in UTC and our clocks need … Continue reading →

Posted in Amateur radio, Data, FT8, JT65, JT9, WSPR | Tagged , | 1 Comment

QSO365 #2 is complete – A QSO per day in 2018

Posted on January 1, 2019 by g6nhu

To start with, I’ll post the basic statistics for the entire year of 2018 and then go into the background. QSOs made: 3789 Unique QSOs made: 2962 Average QSOs per day: 10.4 Days missed: 0 <- This is the most … Continue reading →

Posted in Amateur radio, CW, Data, FT8, HF, JT65, JT9, New DXCC, PSK, QSO365, Review, RTTY, SSB | Tagged | 2 Comments

If you use WSJT-X for FT8/WSPR/JTx etc, you should upgrade to V2.0.0 as soon as possible

Posted on December 11, 2018 by g6nhu

WSJT-X version 2.0.0 has been released and everyone who uses this software for any data modes should update as soon as possible.  This new version is NOT compatible with previous versions so everyone is encouraged to upgrade to 2.0.0 as … Continue reading →

Posted in Amateur radio, Data, FT8, JT65, JT9, WSPR | Tagged , , , , , | Leave a comment

Accurate time keeping on an Apple Mac running macOS Mojave

Posted on November 17, 2018 by g6nhu

When running data modes such as the very popular FT8, it’s important to keep your computer clock accurate because if it’s more than a couple of seconds out then you won’t be able to decode anyone, they won’t be able … Continue reading →

Posted in Amateur radio, Apple Mac, FT8, JT65, WSPR | Tagged , , , , , , | Leave a comment

Accurate time keeping on an Apple Mac or Raspberry Pi for WSPR/JT65/JT9/FT8

Posted on October 1, 2017 by g6nhu

If you use any of the data modes for QSOs such as JT65, JT9, or FT8 or if you operate using WSPR then you’ll know how important it is that your computer clock is accurate.  Anything more than a couple … Continue reading →

Posted in Amateur radio, Apple Mac, FT8, JT65, JT9, Raspberry Pi, WSPR | Tagged , , , , , , , | 2 Comments

What can be achieved in twelve hours of 20m JT65/JT9?

Posted on May 1, 2017 by g6nhu

WSPR is great, I enjoy running WSPR and seeing how far I can transmit using very low power but there are a couple of drawbacks.  I appreciate this will sound as though I’m knocking WSPR but trust me, I’m really not. … Continue reading →

Posted in Amateur radio, Data, HF, JT65, JT9, QSO365, WSPR | Tagged , , , | Leave a comment

JT9 – JT65 on steroids?

Posted on May 4, 2013 by g6nhu

A few months ago I heard about a new data mode from Joe Taylor, K1JT called JT9.  I looked into it and even tried calling CQ a few times on 40m using it but with no replies and no sign … Continue reading →

Posted in Amateur radio, Data, HF, JT65, JT9 | 3 Comments