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Minor edits to Release_Notes.txt.

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Release_Notes.txt
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@ -15,54 +15,62 @@ Copyright 2001 - 2024 by Joe Taylor, K1JT, and the WSJT Development Team
July 1, 2024
-------------------------
WSJT-X 2.7.0 Release Candidate 5 primarily introduces a new "SuperFox
and SuperHound" mode, a powerful new tool that helps DXpeditions to make
digital QSOs at very high rates. Furthermore, it brings some fixes and
other improvements.
WSJT-X 2.7.0 Release Candidate 5 introduces a new "SuperFox" mode, a
powerful new tool designed to help DXpeditions make digital QSOs at
very high rates. RC5 also brings several other improvements and bug
fixes.
SuperFox and SuperHound mode:
SuperFox mode:
- The SuperFox mode behaves operationally like the present Fox and Hounds
but uses a constant envelope waveform for Fox’s transmissions rather
than sending concurrent streams of up to five normal FT8 signals. This
has the advantage that up to 9 messages can be transmitted without
getting a signal-strength penalty, resulting in a system gain of approx.
+10 dB compared to the conventional Fox/Hound operation with 5 slots!
- The SuperFox mode behaves operationally like the present Fox and
Hounds mode but uses a constant envelope waveform for Fox's
transmissions rather than sending concurrent streams of up to five
normal FT8 signals. This approach means that up to 9 messages can
be transmitted with no signal-strength penalty, resulting in a
system gain of about +10 dB compared to the conventional Fox/Hound
operation with 5 slots.
- Hounds chasing the DX station transmit normal FT8 signals, as in the
already familiar Fox and Hound mode.
- IMPORTANT: Older revisions of WSJT-X and derivative programs cannot
decode SuperFox transmissions. Hounds must use WSJT-X 2.7.0-rc5 (or
a later release, when available) to be able to receive SuperFox
messages.
- Important: Hounds must use at least WSJT-X 2.7.0-rc5 to be able to
receive SuperFox messages.
- Hounds chasing the DX station transmit normal FT8 signals, as in
the already familiar Fox and Hound mode. QSOs are logged as FT8
mode.
- When in SuperFox mode, Hound stations can call now also below 1000 Hz.
- When in SuperFox mode, Hound stations may call at any frequency in
Fox's received passband, including the range 0 - 1000 Hz. Hounds
do not QSY to a lower frequency for their final transmission.
- SuperFox Operation requires the Fox operator to use a valid key. Such
messages then contain a digital signature. Authorized keys will be
issued in advance for legitimate DXpeditions by the Northern California
DX Foundation.
- SuperFox Operation requires the Fox operator to use a valid digital
key. Keys will be issued in advance for legitimate DXpeditions by
the Northern California DX Foundation, and will be kept secret.
- Hounds will see the "Super Hound" label turn to green when a verified
SuperFox message arrives, as well as a "CALLSIGN verified" message.
- Every SuperFox transmission includes a unique digital
signature. Hounds receiving a SuperFox message will see a "CALLSIGN
verified" flag if the transmitted signature is valid, and the
on-screen "Super Hound" label will turn from red to green.
- Hound Operation should begin by selecting Special operating activity,
SuperFox, and Hound on the Settings / Advanced page. Alternatively,
right-clicking on the FT8 buttons toggles SuperFox mode on/off.
It works both when in Hound or in Fox mode. This allows quick switching
between SuperFox and the normal Fox and Hound operation.
- Hound operation should begin by selecting "Special operating
activity", "Hound", and "SuperFox mode" on the Settings -> Advanced
tab. Alternatively, right-clicking on the FT8 button toggles
SuperFox mode on/off for either Fox or Hound, allowing quick
transitions between SuperFox and old-style Fox and Hound operation.
- SuperFox stations can send free text messages of up to 26 characters.
- SuperFox stations can send free text messages of up to 26 characters
together with messages to as many as 4 Hounds.
Other enhancements:
- Fixed a flaw that caused "Log automatically" to not work for the ARRL
Digi Contest mode.
- Corrected a flaw that caused "Log automatically" to not work for
the ARRL Digi Contest.
- Control elements for special operating activities are now disabled
if the respective function is not applicable.
(grayed out) if the respective function is not applicable.
- Fixed a long-standing error that caused "Start new period decodes at
top" to stop working properly after some time.
- Corrected a longstanding flaw that caused "Start new period
decodes at top" to stop working properly after some time.
- Right-click mouse press events are now less error-prone.