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Minor edits to Release_Notes.txt.

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Joe Taylor 2024-06-10 10:51:45 -04:00
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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 July 1, 2024
------------------------- -------------------------
WSJT-X 2.7.0 Release Candidate 5 primarily introduces a new "SuperFox WSJT-X 2.7.0 Release Candidate 5 introduces a new "SuperFox" mode, a
and SuperHound" mode, a powerful new tool that helps DXpeditions to make powerful new tool designed to help DXpeditions make digital QSOs at
digital QSOs at very high rates. Furthermore, it brings some fixes and very high rates. RC5 also brings several other improvements and bug
other improvements. fixes.
SuperFox and SuperHound mode: SuperFox mode:
- The SuperFox mode behaves operationally like the present Fox and Hounds - The SuperFox mode behaves operationally like the present Fox and
but uses a constant envelope waveform for Fox’s transmissions rather Hounds mode but uses a constant envelope waveform for Fox's
than sending concurrent streams of up to five normal FT8 signals. This transmissions rather than sending concurrent streams of up to five
has the advantage that up to 9 messages can be transmitted without normal FT8 signals. This approach means that up to 9 messages can
getting a signal-strength penalty, resulting in a system gain of approx. be transmitted with no signal-strength penalty, resulting in a
+10 dB compared to the conventional Fox/Hound operation with 5 slots! 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 - IMPORTANT: Older revisions of WSJT-X and derivative programs cannot
already familiar Fox and Hound mode. 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 - Hounds chasing the DX station transmit normal FT8 signals, as in
receive SuperFox messages. 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 - SuperFox Operation requires the Fox operator to use a valid digital
messages then contain a digital signature. Authorized keys will be key. Keys will be issued in advance for legitimate DXpeditions by
issued in advance for legitimate DXpeditions by the Northern California the Northern California DX Foundation, and will be kept secret.
DX Foundation.
- Hounds will see the "Super Hound" label turn to green when a verified - Every SuperFox transmission includes a unique digital
SuperFox message arrives, as well as a "CALLSIGN verified" message. 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, - Hound operation should begin by selecting "Special operating
SuperFox, and Hound on the Settings / Advanced page. Alternatively, activity", "Hound", and "SuperFox mode" on the Settings -> Advanced
right-clicking on the FT8 buttons toggles SuperFox mode on/off. tab. Alternatively, right-clicking on the FT8 button toggles
It works both when in Hound or in Fox mode. This allows quick switching SuperFox mode on/off for either Fox or Hound, allowing quick
between SuperFox and the normal Fox and Hound operation. 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: Other enhancements:
- Fixed a flaw that caused "Log automatically" to not work for the ARRL - Corrected a flaw that caused "Log automatically" to not work for
Digi Contest mode. the ARRL Digi Contest.
- Control elements for special operating activities are now disabled - 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 - Corrected a longstanding flaw that caused "Start new period
top" to stop working properly after some time. decodes at top" to stop working properly after some time.
- Right-click mouse press events are now less error-prone. - Right-click mouse press events are now less error-prone.