Hi Bill,
First let me apologize. The message you received from me was intended for Rich.
Fat fingers and some senility. In any event, maybe I can explain it better or
at least I hope I can.
When WSJT-X is using FT8 or FT4 on any of the lower HF band, i.e 160-10 and the
user selects MSK144 as the new mode, the band frequency box populates with the
appropriate new frequencies 6M, 2M and 70cm. The Band selection box select 6M
but WSJT-X does not issue a CAT command to change the Rig. On the other hand,
If I was using FT8 or FT4 on 6M and then selected MSK144, WSJT-X populates the
correct frequencies (6M, 2M, 70cm) in the band box, selects 6M and issues the
CAT command to change the rig frequency to 50.260 from the previous frequency.
In addition, should I then select 2M, WSJT-X, appropriately issues the CAT
command to my rig (TS590S which does not have 2M), and then correctly reverts
the band box back selection to 6M, as it should.
The problem that Rich was trying to identify is that for a blind ham changing
the mode from FT8 or FT4 while on the lower bands, they would end up on the
incorrect band.
Programmatically I could try to take care of this problem by moving the focus
to the band box and typing in 6M, but doing it manually as a test resulted in a
change of frequency to 50.200 instead of 50.260.
What I also found is that until the CAT command is issued, there is no UDP
(Status Record) traffic indicating the change in either mode or frequency.
Since you end up on the wrong band, there not would be anything to decode
either.
For now, I instructed Rich to document and inform the blind hams to move to 6M
before selecting MSK144 as that seems to work.
Hopefully this is a slightly better explanation.
Again my apologies for all the confusion this may have caused, and I want to
thank you and Joe for your support for the blind ham community.
73,
Sam W2JDB
-----Original Message-----
From: Bill Somerville <g4...@classdesign.com>
To: wsjt-devel@lists.sourceforge.net
Sent: Tue, Sep 1, 2020 6:06 pm
Subject: Re: [wsjt-devel] Bug when using MSK144?
Hi Sam and Rich,
your comment leaves me confused Sam, I think Rich was asking about what
happens when the mode is changed in WSJT-X. He cited that changing mode to
MSK144 should not leave a CAT radio on a band where MSK144 is not an allowed
mode (note that I believe this is only the case in the USA where the FCC
restrict data modes on HF by baud rate). You seem to be referring to changing
band on a CAT controlled radio, and describing what you think should happen if
he radio is not able to comply. I don't see the link?
73
Bill
G4WJS.
On 01/09/2020 21:55, Sam W2JDB via wsjt-devel wrote:
Hi Rich,
Here is what I would reply with.
Hi Bill,
I populated the Band drop down with a HF band such as 20M, then switched to
MSK144, neither the band or rig changed. However, I then selected the 6M band
while in MSK144, WSJT-X promptly select the 6M and changed the rig to 6M. If I
then attempt to change to 2M, WSJT-X attempts to change the rig to 2M, but
reverts back to 6M when it detects that the radio returns with the 6M
frequency. I believe that at the vary least, WSJ-X should issue the CAT command
to change to that band and let HamLib take care of the rest. At worst, you are
no worse then before and the companion programs that are monitoring the UDP
traffic would at least get appropriate UDP Status traffic.
73,
Sam W2JDB
-----Original Message-----
From: Rich Zwirko - K1HTV mailto:k1...@comcast.net
To: WSJT mailto:wsjt-devel@lists.sourceforge.net
Sent: Tue, Sep 1, 2020 4:25 pm
Subject: [wsjt-devel] Bug when using MSK144?
In the latest version of the QLog program, written so blind hams can use the
WSJT-X digital modes, the MSK144 mode was added. When testing MSK144 I
discovered that when the MSK144 mode was selected while the radio was still on
any HF band, instead of switching to one of the MSK144 VHF/UHF frequencies, the
radio remained on the same HF band that my K3 was set to before the mode switch
was made.
This means that if the user accidentally called CQ, the transmission would be
made on an HF band, where the MSK144 is not legal, in many countries. What
should happen is that when the MSK144 mode is selected, the band box should
switch to the lowest frequency on the VHF/UHF pulldown menu list and CAT
control should switch the radio to that frequency.
I hope that this issue can be resolved in the next release of WSJT-X. Thanks.
73, Rich - K1HTV
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