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Do you have those waves when you transmit JT65?
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YV5WZ
Member ✭✭
I have noted those waves when I work with WSJT-X and JTDx......Flex 6300, Windows 10 on Gigabytes MB with I7 processor 4940K 4gHz......is it a dirty transmission???? or it is normal?

George, YV5WZ / PY3ZZZ

George, YV5WZ / PY3ZZZ
2
Answers
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I experience the same on JT-65 and JT-9 - always ensuring there is no over driving the radio.Using WSJT-X software. Not sure where it occurs. Had several local hams look at it, and they say it is clean on the air.
73/gus0 -
Thanks Gus.....same experience here....my locals ham say everything on my signal its clean....good to know Im not the only one curious about this
73 !! George
1 -
Sometimes DAX can cause poor transmission - I have to stop DAX and then restart it again.
It is a bug that is already on the list. I think.
I do not show those spurs on my display
Cheers
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It is very normal. On transmit, we monitor the low-level RF inside the radio and this is just received noise. It is not transmitted as only the signal in the final filter is actually transmitted. Your signal is clean.2
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Thanks Tim, I just learned something!0
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Thank you Tim......I already did my 6600 reserve!!!
Best Regards
George, YV5WZ / PY3ZZZ0 -
I have a Palstar HF-AUTO and these little spurious peaks show up once in a while during a tuning cycle but they always go away after the antenna is matched.0
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Thanks Danny....SWR 1.10
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I noticed the same thing on voice and viewed one of my remotes while transmitting and it was as clean as a whistle. I was transmitting on a 6500 and receiving on a 6500 a hundred or so miles away. I was able to bring up two instances as one was received using Teamviewer, and the other transmitting locally from my computer client.
Jim, K6QE
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George,
If you'll notice those images are 70 dBm down and would never go out over the air.
Mack
W4AX
Alpha Team0 -
Even if they were 0 dB down, they are outside of the final TX filter, so they would not be transmitted ;-)0
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