Questions tagged [jt65]
The jt65 tag has no usage guidance.
4 questions
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Weak signal digital modes and clock synchronization
Why to some weak signal digital modes (jt9, jt65, etc.) require knowing a clock time? Does knowing this clock time provide any gain in signal detection ability? (lower required S/N?)
What clock ...
- 13.6k
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Long callsigns in WSJT-X?
During the month of May (2018) a lot of Belgian club stations can use callsigns in the format OT70xxx. (The xxx is always 3 letters, for example our club station uses OT70TRA.)
In WSJT-X it seems ...
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What makes JT65 preferable for VHF, and JT9 for HF
Are the bands really that different in characteristics where JT65 works better for VHF, and JT9 for HF? The claim comes from the WSJT website:
JT65 was designed for EME (“moonbounce”) on the VHF/...
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What is generally considered "too much" power for JT-65 on HF?
Recently, I have begun experimenting with JT-65A, mostly on 20 meters. I usually run about 5 watts with that mode, since I know that JT-65 is a weak-signal mode. Is that still too much power? What is ...
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