diff --git a/lib/qra64a.f90 b/lib/qra64a.f90 index 98eb82b8c..9fe73c030 100644 --- a/lib/qra64a.f90 +++ b/lib/qra64a.f90 @@ -20,6 +20,7 @@ subroutine qra64a(dd,nutc,nf1,nf2,nfqso,ntol,mode64,mycall_12,hiscall_12, & data nc1z/-1/,nc2z/-1/,ng2z/-1/ save + if(nfqso.lt.nf1 .or. nfqso.gt.nf2) go to 900 nft=99 nsnr=-30 mycall=mycall_12(1:6) !### May need fixing ### diff --git a/mainwindow.cpp b/mainwindow.cpp index bfb2de1e3..d6d5a6503 100644 --- a/mainwindow.cpp +++ b/mainwindow.cpp @@ -853,33 +853,13 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple, } statusChanged(); -//### TEMPORARY MESSAGE TO USERS ### - MessageBox::information_message (this, - "

" + QString {"Alpha Release: WSJT-X v" + - QCoreApplication::applicationVersion() + " " + - revision ()}.simplified () + "

" - "V1.7 has many new features, most aimed at VHF/UHF/Microwave users.
" - "Some are not yet described in the User Guide and may not be thoroughly
" - "tested. Click on the link at bottom for a brief description.

" - "As a test user you have an obligation to report anomalous results
" - "to the development team. We are particularly interested in tests
" - "of experimental modes QRA64 (intended for EME) and MSK144
" - "(intended for meteor scatter).

" - "Send reports to wsjtgroup@yahoogroups.com, and be sure to save .wav
" - "files where appropriate.

" - "" - "" - "" - "
" - "http://physics.princeton.edu/pulsar/k1jt/v1.7_Features.txt
"); -//### - m_wideGraph->setMode(m_mode); m_wideGraph->setModeTx(m_modeTx); connect (&minuteTimer, &QTimer::timeout, this, &MainWindow::on_the_minute); minuteTimer.setSingleShot (true); minuteTimer.start (ms_minute_error () + 60 * 1000); + m_bSplash=true; // this must be the last statement of constructor if (!m_valid) throw std::runtime_error {"Fatal initialization exception"}; @@ -2569,6 +2549,30 @@ void MainWindow::guiUpdate() double txDuration; QString rt; +//### TEMPORARY MESSAGE TO USERS ### + if(m_bSplash) { + MessageBox::information_message (this, + "

" + QString {"Alpha Release: WSJT-X v" + + QCoreApplication::applicationVersion() + " " + + revision ()}.simplified () + "

" + "V1.7 has many new features, most aimed at VHF/UHF/Microwave users.
" + "Some are not yet described in the User Guide and may not be thoroughly
" + "tested. Click on the link at bottom for a brief description.

" + "As a test user you have an obligation to report anomalous results
" + "to the development team. We are particularly interested in tests
" + "of experimental modes QRA64 (intended for EME) and MSK144
" + "(intended for meteor scatter).

" + "Send reports to wsjtgroup@yahoogroups.com, and be sure to save .wav
" + "files where appropriate.

" + "" + "" + "" + "
" + "http://physics.princeton.edu/pulsar/k1jt/v1.7_Features.txt
"); + m_bSplash=false; + } +//### + if(m_TRperiod==0) m_TRperiod=60; txDuration=0.0; if(m_modeTx=="JT4") txDuration=1.0 + 207.0*2520/11025.0; // JT4 @@ -4040,6 +4044,7 @@ void MainWindow::on_actionQRA64_triggered() ui->sbSubmode->setValue(0); ui->sbTR->setValue(0); } + ui->cbTxLock->setEnabled(true); } void MainWindow::on_actionJT65_triggered() @@ -5108,8 +5113,10 @@ void MainWindow::transmitDisplay (bool transmitting) // ui->TxFreqSpinBox->setEnabled (false); ui->TxFreqSpinBox->setEnabled (true); //### - ui->cbTxLock->setChecked(false); - ui->cbTxLock->setEnabled(false); + if(m_mode!="QRA64") { + ui->cbTxLock->setChecked(false); + ui->cbTxLock->setEnabled(false); + } } else { ui->TxFreqSpinBox->setEnabled (QSY_allowed and !m_bFastMode); ui->pbR2T->setEnabled (QSY_allowed); diff --git a/mainwindow.h b/mainwindow.h index 0847aab4c..a46207e35 100644 --- a/mainwindow.h +++ b/mainwindow.h @@ -412,6 +412,7 @@ private: bool m_bDoubleClickAfterCQnnn; bool m_bRefSpec; bool m_bUseRef; + bool m_bSplash; float m_pctZap; int m_ihsym; int m_nzap; diff --git a/v1.7_Features.txt b/v1.7_Features.txt index cb0debdf7..db15dff87 100644 --- a/v1.7_Features.txt +++ b/v1.7_Features.txt @@ -19,23 +19,24 @@ New Modes 1. MSK144 is intended for meteor scatter at 50 MHz and higher. Designed and tested by K9AN and K1JT, it uses a low-density parity check code (LDPC) -- one of the latest-and-greatest areas of active -research in comminucation theory. +research in communication theory. MSK144 is a direct descendant of JTMSK with a number of improvements for better performance on weak and short meteor pings. The effective character transmission rate is about 250 cps, compared with 147 cps -for FSK441. Like JT4, JT9, JT65, and JTMSK, MSK144 uses strong -forward error correction, so message decoding is essentially "all or -nothing". You will see little or no "garbage" on your screen. +for FSK441 and 154 cps for JTMSK. Like JT4, JT9, JT65, and JTMSK, +MSK144 uses strong forward error correction, so message decoding is +essentially "all or nothing". You will see little or no garbage on +your screen. Standard MSK144 message frames are 72 ms long, compared to 117 ms for -JTMSK. The MSK144 waveform allows coherent demodulation for up to 3 -dB better sensitivity. After QSO partners have exchanged callsigns, -MSK144 user can use even shorter messages, only 20 ms long. As in all -the fast modes in WSJT-X, the 20 ms or 72 ms messages are repeated -without gaps for the duration of a transmission cycle. For most -purposes we recommend a T/R cycle duration of 15 s, but 5 s and 10 s -sequences are also supported. +JTMSK. The MSK144 waveform allows coherent demodulation, allowing up +to 3 dB better sensitivity. After QSO partners have exchanged +callsigns, MSK144 user can use even shorter messages, only 20 ms long. +As in all the fast modes in WSJT-X, the 20 ms or 72 ms messages are +repeated without gaps for the duration of a transmission cycle. For +most purposes we recommend a T/R cycle duration of 15 s, but 5 s and +10 s sequences are also supported. An MSK144 signal occupies the full bandwidth of a typical SSB transmitter, so transmissions are always centered at an offset of @@ -44,14 +45,15 @@ should be set to provide the flattest possible response over at least 300 - 2700 Hz. The maximum permissible frequency offset between you and your QSO partner is ± 200 Hz, and less is better. -2. QRA64 is a designed for EME and other weak-signal use. Its -internal code was designed by Nico Palermo, IV3NWV. It uses a "Q-ary -Repeat Accumulate" code, another one of the latest research areas in -communication theory. The QRA64 code is inherently better than the -Reed Solomon (63,12) code used in JT65, yielding already a 1.3 dB -advantage. QRA64 uses a new synchronizing scheme based on a 7 x 7 -Costas array, so you will not see a bright sync tone at the lowest -tone frequency. This change yields another 1.9 dB advantage. +2. QRA64 is a intended for EME and other weak-signal use. Its +internal code was designed by Nico Palermo, IV3NWV, and implemented in +WSJT-X by K1JT. The protocol uses a "Q-ary Repeat Accumulate" code, +another one of the latest research areas in communication theory. The +QRA64 code is inherently better than the Reed Solomon (63,12) code +used in JT65, yielding already a 1.3 dB advantage. QRA64 uses a new +synchronizing scheme based on a 7 x 7 Costas array, so you will not +see a bright sync tone at the lowest tone frequency. This change +yields another 1.9 dB advantage. In most respects our implementation of QRA64 is operationally similar to JT65. QRA64 does not use two-tone shorthand messages, and it makes @@ -71,10 +73,10 @@ http://physics.princeton.edu/pulsar/K1JT/doc/wsjt/ Program Setup ------------- -Some of the new program capabilities are enabled when you check +Many of the new program capabilities are enabled when you check "Enable VHF/UHF/Microwave features" on the Settings | General tab. -For MSK144 mode, we suggest setting "T/R 15 s" and "F Tol 100 Hz"; -check "Sh" to enable the use of short messages and "Auto Seq" for +For MSK144 mode, we suggest setting "T/R 15 s" and "F Tol 100 Hz". +Check "Sh" to enable the use of short messages and "Auto Seq" for auto-sequencing. For QRA64 mode, set Tx and Rx frequencies to 1000 Hz. We encourage you to check "Save all" when making tests, and to save any of the resulting .wav files that might help us to improve @@ -85,6 +87,10 @@ identify. Final Comments -------------- -We will be grateful for any and all reports from test users that may -help us to further improve WSJT-X. Send your reports to -wsjtgroup@yahoogroups.com. +Remember that you are using an Alpha Release. We will be grateful for +any and all reports from test users that may help us to further +improve WSJT-X. Send your reports to wsjtgroup@yahoogroups.com. + +Please be patient concerning responses from the development group. +Several of us will be on vacation or otherwise engaged during much of +August.