diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 1bd72c7fe..7c48c5449 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -62,6 +62,7 @@ set (UG_SRCS
)
set (UG_IMGS
+ images/active_stations.png
images/AstroData_2.png
images/Astronomical_data.png
images/auto-seq.png
diff --git a/doc/user_guide/en/controls-functions-menus.adoc b/doc/user_guide/en/controls-functions-menus.adoc
index defb075ad..7dba2dbfe 100644
--- a/doc/user_guide/en/controls-functions-menus.adoc
+++ b/doc/user_guide/en/controls-functions-menus.adoc
@@ -37,7 +37,13 @@ examples for configurations `FT8` and `Echo`:
==== View Menu
image::view-menu.png[align="left",alt="View Menu"]
-The *SWL Mode* action reduces the _WSJT-X_ main window to a minimum
+*Active Stations* displays a window that can help you to work the most
+distant stations, in particular for the distance-scored ARRL
+International Digital Contest.
+
+image::active_stations.png[align="left",alt="Active Stations"]
+
+*SWL Mode* reduces the _WSJT-X_ main window to a minimum
size with just the menus, decodes windows, and status bar visible. You
may find this useful when running multiple instances of the
application. Both size and location of the main window are saved and
diff --git a/doc/user_guide/en/decoder_notes.adoc b/doc/user_guide/en/decoder_notes.adoc
index ff237c0e9..cbdf89fab 100644
--- a/doc/user_guide/en/decoder_notes.adoc
+++ b/doc/user_guide/en/decoder_notes.adoc
@@ -24,7 +24,8 @@ AP bits, with a specified level of confidence. Successful AP decodes
are labeled with an end-of-line indicator of the form `aP`, where `P`
is one of the single-digit AP decoding types listed in Table 1. For
example, `a2` indicates that the successful decode used MyCall as
-hypothetically known information.
+hypothetically known information. Type `a7`, used only in FT8 mode,
+uses information from the previous Rx sequence.
[[FT8_AP_INFO_TABLE]]
.FST4, FT4, and FT8 AP information types
@@ -37,6 +38,7 @@ hypothetically known information.
|a4|MyCall DxCall RRR
|a5|MyCall DxCall 73
|a6|MyCall DxCall RR73
+|a7|Call_1 Call_2 ?
|===
If a codeword is found that is judged to have high (but not
diff --git a/doc/user_guide/en/images/Best_S+P.png b/doc/user_guide/en/images/Best_S+P.png
index 4ebfd39d7..f65bff419 100644
Binary files a/doc/user_guide/en/images/Best_S+P.png and b/doc/user_guide/en/images/Best_S+P.png differ
diff --git a/doc/user_guide/en/images/FST4_center.png b/doc/user_guide/en/images/FST4_center.png
index b66aa1854..0c3e0c7fd 100644
Binary files a/doc/user_guide/en/images/FST4_center.png and b/doc/user_guide/en/images/FST4_center.png differ
diff --git a/doc/user_guide/en/images/auto-seq.png b/doc/user_guide/en/images/auto-seq.png
index 0b155310a..ae631da7f 100644
Binary files a/doc/user_guide/en/images/auto-seq.png and b/doc/user_guide/en/images/auto-seq.png differ
diff --git a/doc/user_guide/en/images/colors.png b/doc/user_guide/en/images/colors.png
index bbfa9da8c..7d29f8819 100644
Binary files a/doc/user_guide/en/images/colors.png and b/doc/user_guide/en/images/colors.png differ
diff --git a/doc/user_guide/en/images/reporting.png b/doc/user_guide/en/images/reporting.png
index 4cced8bb4..f1243f772 100644
Binary files a/doc/user_guide/en/images/reporting.png and b/doc/user_guide/en/images/reporting.png differ
diff --git a/doc/user_guide/en/images/settings-general.png b/doc/user_guide/en/images/settings-general.png
index 6971060e1..cee21694c 100644
Binary files a/doc/user_guide/en/images/settings-general.png and b/doc/user_guide/en/images/settings-general.png differ
diff --git a/doc/user_guide/en/images/view-menu.png b/doc/user_guide/en/images/view-menu.png
index 3f3fc0486..489b5ad7d 100644
Binary files a/doc/user_guide/en/images/view-menu.png and b/doc/user_guide/en/images/view-menu.png differ
diff --git a/doc/user_guide/en/make-qso.adoc b/doc/user_guide/en/make-qso.adoc
index 451669b1c..a11c819d6 100644
--- a/doc/user_guide/en/make-qso.adoc
+++ b/doc/user_guide/en/make-qso.adoc
@@ -69,9 +69,9 @@ Check *Auto Seq* on the main window to enable this feature:
image::auto-seq.png[align="center",alt="AutoSeq"]
-When calling CQ you may also choose to check the box *Call 1st*.
-_WSJT-X_ will then respond automatically to the first decoded
-responder to your CQ.
+When calling CQ you may choose to select *CQ: First* to reply
+automatically to the first decoded responder, or *CQ: Max Dist*
+to reply to the most distant responder.
NOTE: When *Auto-Seq* is enabled, the program de-activates *Enable Tx*
at the end of each QSO. It is not intended that _WSJT-X_ should make
@@ -90,7 +90,7 @@ types for contest exchanges and carry out suitable auto-sequencing by
selecting a supported operating activity on the *Settings | Advanced*
tab. Model QSOs then proceed as follows, for each event type:
-*NA VHF Contest*
+*NA VHF Contest* and *ARRL International Digital Contest*
CQ TEST K1ABC FN42
K1ABC W9XYZ EN37
@@ -98,8 +98,9 @@ tab. Model QSOs then proceed as follows, for each event type:
K1ABC W9XYZ RRR
W9XYZ K1ABC 73
-Either callsign (or both) may have /R appended. You can use RR73 in
-place of RRR, and the final 73 is optional.
+Either callsign (or both) may have /R appended to signify a Rover in a
+VHF contest. You can use RR73 in place of RRR, and the final 73 is
+optional.
*EU VHF Contest*
diff --git a/doc/user_guide/en/new_features.adoc b/doc/user_guide/en/new_features.adoc
index 2a03f5a0c..43a3a111a 100644
--- a/doc/user_guide/en/new_features.adoc
+++ b/doc/user_guide/en/new_features.adoc
@@ -1,31 +1,39 @@
[[NEW_FEATURES]]
=== New in Version {VERSION_MAJOR}.{VERSION_MINOR}
-_WSJT-X 2.6_ implements features in support of the ARRL International
-Digital Contest. This contest's scoring is distance based, so the
-*Call 1st* checkbox is replaced by a drop-down control offering *CQ
-Max Dist* as an alternative. A new window labeled *Active Stations*
-displays a list of received but unworked callsigns sorted in
-decreasing order of potential contest points. See Section 7.4 for
-more details on these features.
+- _WSJT-X 2.6_ implements new features supporting the ARRL
+International Digital Contest and its distance based scoring. The
+*Call 1st* checkbox has been replaced by a drop-down control offering
+*CQ Max Dist* as an alternative. With this option selected, the
+program will select the reply to your CQ that yields the most contest
+points. In addition, a new window labeled *Active Stations* displays
+a list of received but unworked callsigns, sorted in decreasing order
+of potential contest points. Click on a line in this window to call
+that station.
-Decoding performance for FT8 and Q65 has been improved for situations
-where _a priori_ (AP) information is available.
+- Decoding performance for FT8 and Q65 has been improved in a variety
+of situations with available _a priori_ (AP) information.
-*Echo* mode now offers a button labeled *Clear Avg* and produces
-reliable measurements of SNR and Doppler spread. The related
-*Measure* function can be used to measure these quantities for a
-received unmodulated carrier -- for example, a key-down test signal
-emitted by another station and reflected from the Moon.
+- *Echo* mode now offers a *Clear Avg* button and produces reliable
+measurements of SNR even when Doppler spread is large. The *Measure*
+function can be used to measure SNR for a received unmodulated carrier
+-- for example, a key-down test signal emitted by another station and
+reflected from the Moon.
-New buttons on the main window allow quick changes between the modes
-FT4, FT8, MSK144, Q65, and JT65. Another button allows toggling the
+- New buttons on the main window allow quick changes between modes
+FT4, FT8, MSK144, Q65, and JT65. Another new button allows toggling
FT8 Hound mode ON or OFF.
-Optional highlighting is provided for DX Call and DX Grid, and for
-messages containing RR73 or 73.
+- Optional color highlighting is provided for specified DX Call and DX
+Grid, and for messages containing RR73 or 73.
-New options are provided for writing to file ALL.TXT. You can request
-starting a suitably labeled new file every month or every year, and you
-can disable writing altogether.
+- New options are provided for writing to file ALL.TXT. You can
+request automatic starting of a new file every month or every year,
+and you can disable writing altogether.
+
+- Other changes include bug fixes and rig control for some new radios.
+
+- _MAP65 3.0_ (available for Windows only) now sends additional
+information to file azel.dat and offers digital scaling of input I/Q
+data.
diff --git a/widgets/mainwindow.ui b/widgets/mainwindow.ui
index bc7a4fb73..f377631f2 100644
--- a/widgets/mainwindow.ui
+++ b/widgets/mainwindow.ui
@@ -3051,8 +3051,8 @@ QLabel[oob="true"] {
-
+