WSJT-X verzia 2.6 ponúka jedenásť rôznych protokolov alebo módov: FST4, FT4, FT8, JT4, JT9, JT65, Q65, MSK144, WSPR, FST4W a Echo. Prvých sedem je určených na uskutočňovanie spoľahlivých QSO in weak signal conditions. They use almost identical message structure and encoding.
JT65 was designed for EME („moonbounce“) na VHF and higher bands and is mostly used for this purpose today.
Q65 is particularly effective for tropospheric propagation, rain scatter, iono scatter, TEP, and EME on VHF and higher bands, as well as for other types of rapidly varying signals.
JT9 was designed for short waves with an emphasis on lower bands. Its submode JT9A is 1 dB more sensitive than JT65, using less than 10% of the bandwidth.
JT4 offers a wide range of tone spacings and has proven to be very effective for EME on microwave bands up to 24 GHz.
V „pomalých“ režimoch sa používajú časované sekvencie striedavého vysielania a príjmu. JT4, JT9 a JT65 používajú minútové sekvencie, takže minimálne QSO trvá štyri až šesť minút – dve alebo tri vysielania každej stanice – jedna vysiela v nepárnych minútach UTC a druhá v párnych. FT8 je štyrikrát rýchlejší (15-sekundové sekvencie T/R) a menej citlivejší o niekoľko dB. FT4 je ešte rýchlejší (7,5-sekvencie T/R) a obzvlášť vhodný na contesting. FST4 je určený najmä pre pásma LF a MF. FST4 aj Q65 ponúkajú širokú škálu dĺžok časovaných sekvencií a Q65 celý rad tónových rozstupov pre rôzne podmienky šírenia.
On HF bands, it is possible to establish QSO worldwide with any of these modes using power levels of a few watts (or even milliwatts) and compromise antennas. On VHF bands and higher, QSO (using EME, reflections, and other types of propagation) are possible at signal levels 10 to 15 dB lower than those required for CW.
News WSJT-X version 2.6
WSJT-X 2.6 implementuje nové funkcie podporujúce ARRL International Digital Contest a bodovanie na základe vzdialenosti. Zaškrtávacie políčko Call 1st bolo nahradené rozbaľovacím ovládacím prvkom, ktorý ako alternatívu ponúka CQ Max Dist. The new window called Active Stations displays a list of received but unprocessed callsigns, sorted in descending order of potential contest points. If the CQ Max Dist option is selected, the program will choose the response to your CQ that will yield the most contest points. By clicking on a line in the Active Stations window, you can call that station.
The decoding performance for FT8 and Q65 has been improved in various situations.
Režim Echo teraz ponúka tlačidlo Clear Avg a poskytuje spoľahlivé merania SNR and in Doppler spread. The Monitor function can be used to measure SNR for the received unmodulated carrier, such as a test signal transmitted by another station and reflected off the Moon, and also to measure the Sun, Moon, and Earth as aids in optimizing the performance of the EME station.
New buttons in the main window allow quick changes between modes FT4, FT8, MSK144, Q65, and JT65, as well as toggling the FT8 Hound mode.
New comfort features allow operators in Fox mode to respond more quickly to specific situations during QSO. The two-column table in the second tab provides an overview of the queue and the call signs with ongoing QSO. The operator in Fox mode can change the order of call signs in the queue, allowing for a response to changes in propagation. Fox now automatically responds to the next two cycles for stations whose report was not received, increasing the success rate of challenging QSO.
The frequency table now offers the option to save/restore and better work with more than one frequency for mode and band combinations. You can set preferred frequencies and WSJT-X will select them when changing bands or modes. You can label the frequency in the table with a description, such as the call sign of a DX expedition, and set the start and end, date and time, so the frequencies will automatically appear and disappear from the displayed options. You can load a publicly available frequency table from a file to easily provide such data about DXpeditions.made available to the program.
Optional color highlighting is available for the specified DX Call and DX Grid and for messages containing RR73 or 73.
New options for writing to the ALL.TXT file are available. You can request automatic generation of a new file every month or every year, and you can completely disable writing.
Settings for T/R period and submode are remembered according to the mode when switching directly between modes: for example, MSK144-15, Q65-60A, or FST4-120.
TX and RX audio frequencies are remembered and restored when returning from another mode that sets the default frequencies of 1500 Hz (MSK144, FST4W, Echo, WSPR, FreqCal), then it switches back to FT4, FT8, Q65, FST4, or JT65 mode.
Computer control is available for some new radio stations, and this control has been improved for others.
Medzi nové funkcie v MAP65 (dostupné len pre Windows) patrí pomôcka na meranie chýb smerovania antény a možnosť čítania súboru wsjtx.log (uchovávaného WSJT-X) na rozpoznanie duplikátov EME contestov. Okrem toho MAP65 teraz posiela ďalšie informácie do súboru azel.dat a ponúka voliteľné digitálne škálovanie vstupných I/Q údajov.
Download WSJT-X
Download is available from https://sourceforge.net/projects/WSJT/