Rev Age Author Path Log message Diff Changes
2925 4051 d 16 h poskozby /Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/ Diff
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda.atsln
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda.atsuo
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Balon_sonda.c
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Balon_sonda.cproj
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Balon_sonda.d
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Balon_sonda.eep
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Balon_sonda.elf
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Balon_sonda.hex
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Balon_sonda.lss
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Balon_sonda.map
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/LED.d
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Makefile
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/Timers.d
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/makedep.mk
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Debug/uart.d
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Globals.h
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/LED.c
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/LED.h
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Timers.c
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/Timers.h
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/uart.c
/Designs/Measuring_instruments/ABL01A/SW/Balon_sonda/Balon_sonda/uart.h
2924 4051 d 17 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.aux
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.cs
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.log
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.out
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.pdf
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.synctex.gz
/Designs/Measuring_instruments/ABL01A/DOC/src/TechnickyPopis.toc
2923 4051 d 18 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/img/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/img/Schema ARM.graphml
/Designs/Measuring_instruments/ABL01A/DOC/src/img/Schema ATmega.graphml
/Designs/Measuring_instruments/ABL01A/DOC/src/img/SchemaCeleSite.graphml
/Designs/Measuring_instruments/ABL01A/DOC/src/img/SchemaCeleSite.png
/Designs/Measuring_instruments/ABL01A/DOC/src/img/SchemaCeleSite.jpg
2922 4051 d 19 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/img/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/img/SchemaCeleSite.jpg
2921 4051 d 23 h kaklik /Designs/Measuring_instruments/ uklid Diff
/Designs/Measuring_instruments/AWS01B
/Designs/Measuring_instruments/AWS01B/DOC
/Designs/Measuring_instruments/AWS01B/DOC/src
/Designs/Measuring_instruments/AWS01B/DOC/src/img
/Designs/Measuring_instruments/AWS01B/DOC/src/img/Wind_direction.JPG
/Designs/Measuring_instruments/ABL01A/pdf/komunikace/Automated_Weather_Balloon_Radiosonde_Launcher.pdf
2920 4051 d 23 h kaklik / pridani zapomenutych souboru a dokumentace. Diff
/Designs/Measuring_instruments/ABL01A/pdf/Cidla
/Designs/Measuring_instruments/ABL01A/pdf/Cidla/tlak
/Designs/Measuring_instruments/ABL01A/pdf/Cidla/tlak/920-302B-LR.pdf
/Designs/Measuring_instruments/ABL01A/pdf/Cidla/tlak/DM00036196.pdf
/Designs/Measuring_instruments/ABL01A/pdf/Cidla/tlak/GE-THM_Curves.pdf
/Designs/Measuring_instruments/ABL01A/pdf/Cidla/tlak/Sensors_for_healthcare.pdf
/Designs/Measuring_instruments/ABL01A/pdf/Ventily
/Designs/Measuring_instruments/ABL01A/pdf/Ventily/zpetne_ventily.txt
/Designs/Measuring_instruments/ABL01A/pdf/komunikace/RF_ic
/Designs/Measuring_instruments/ABL01A/pdf/komunikace/RF_ic/Atmel_ATA8401.pdf
/Designs/Measuring_instruments/ABL01A/pdf/komunikace/RF_ic/Product_Specification_nRF905_v1.5.pdf
/Designs/Measuring_instruments/ABL01A/pdf/komunikace/RF_ic/doc9151.pdf
/Designs/Measuring_instruments/ABL01A/pdf/komunikace/Sledovani_letadel.pdf
/Modules/PowerSupply/LION1CELL01A/pdf/Apx809-26.pdf
/Modules/PowerSupply/LION1CELL01A/pdf/GasGauge/slua664.pdf
/Modules/Sensors/SHT25V01A/pdf/SHT25.pdf
2916 4054 d 21 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ prehozeni pinu druheho vlhkostniho cidla. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
2915 4055 d 1 h kaklik /Designs/Measuring_instruments/AWS01A/SW/ opravy nedokonalosti v inicializaci Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
/Designs/Measuring_instruments/AWS01A/SW/SHT25.c
2914 4055 d 2 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2913 4055 d 2 h kaklik /Designs/Measuring_instruments/AWS01A/SW/ pridani druheho cidpa pro mereni vphkosti a teploty Diff
/Designs/Measuring_instruments/AWS01A/SW/SHT25.c
/Designs/Measuring_instruments/AWS01A/SW/SHT25.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
/Designs/Measuring_instruments/AWS01A/SW/ds1820.c
2907 4055 d 18 h kaklik / uprava vypisu a vypocet rychlosti vetru. Diff
/Modules/HumanInterfaces/TOUCHBOARD01A/TODO.txt
/Designs/Measuring_instruments/AWS01A/SW/MPL115A1.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
/Designs/Measuring_instruments/AWS01A/SW/SHT.c
2904 4055 d 21 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ uprava bootloaderu, aby nedaval ven hodiny Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.PJT
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2899 4057 d 17 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ Odkomentovani vycitani dat z barometru. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
2898 4059 d 17 h kakl /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ ECHO ve Woknech pridava na konec radku mezeru. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/common/bloader_defs.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt/main.pjt
2897 4059 d 18 h kakl /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ Opet povoleny interrupty. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2896 4059 d 18 h kakl /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/ Prepisovaly se NOPy na zacatku. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.PJT
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.hex
2886 4061 d 17 h kaklik / zapis dalsich pozadavku. Diff
/Designs/Measuring_instruments/ABL01A/pdf/napln/zdroje_helia.txt
/Modules/PowerSupply/LION1CELL01A/TODO.txt
2874 4075 d 5 h kaklik / zapis pripominek ke konstrukci modulu Diff
/Designs/HAM Constructions/SDRX01A/DOC/SRC/mereniSDRX.txt
/Designs/Measuring_instruments/ABL01A/SW/models
/Designs/Measuring_instruments/ABL01A/SW/models/list.txt
/Modules/CPLD_FPGA/XILINX_XVC/XVC_FT220X02A/CAM_PROFI/XVC_FT220X02A.gvp
/Modules/CPLD_FPGA/XILINX_XVC/XVC_FT220X02A/TODO.txt
/Modules/CommSerial/I2CHUB02A/TODO.txt
/Modules/CommSerial/I2CHUB02A/SCH_PCB/untitled.brd
/Modules/CommSerial/I2CHUB02A/SCH_PCB/untitled.sch
2858 4077 d 23 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ testovani na zarizeni v uniboxu Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2855 4078 d 16 h kaklik /Designs/Measuring_instruments/ABL01A/DOC/src/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.log
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.pdf
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.synctex.gz
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.tex
2854 4078 d 16 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.aux
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.log
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.pdf
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.synctex.gz
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.tex
2853 4078 d 16 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.aux
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.log
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.pdf
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.synctex.gz
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.tex
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.toc
2852 4078 d 17 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/img/blokoveschema1.png
/Designs/Measuring_instruments/ABL01A/DOC/src/img/blokoveschema2.png
/Designs/Measuring_instruments/ABL01A/DOC/src/img/datamatrix.png
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.aux
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.log
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.out
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.pdf
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.synctex.gz
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.toc
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.tex
2851 4078 d 21 h kaklik /Designs/Measuring_instruments/ABL01A/DOC/src/img/ pridani obrazku do dokumentace.. Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/img
/Designs/Measuring_instruments/ABL01A/DOC/src/img/Kartuse_s_heliem.png
/Designs/Measuring_instruments/ABL01A/DOC/src/img/Redukcni_ventil.png
/Designs/Measuring_instruments/ABL01A/DOC/src/img/odpalovac.jpg
/Designs/Measuring_instruments/ABL01A/DOC/src/img/odpalovac2.jpg
2850 4078 d 23 h pomiceva /Designs/Measuring_instruments/ABL01A/DOC/src/ smazani sekci Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.tex
2849 4079 d 0 h kaklik /Designs/Measuring_instruments/ABL01A/DOC/src/ Diff
/Designs/Measuring_instruments/ABL01A/DOC/src/zprava.cs.tex
2848 4079 d 7 h kakl /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ Uprava skoku na preruseni.
V obsluze preruseni se zrejme nesmi delat relativni GOTO.
Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/dbloader.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.PJT
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/bootloader887/bloader.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/common/dbloader.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2847 4080 d 5 h kaklik /Designs/Measuring_instruments/ pridani informaci o heliu Diff
/Designs/Measuring_instruments/ABL01A/pdf/napln/Balonplyn79_15334.pdf
/Designs/Measuring_instruments/ABL01A/pdf/napln/Kartuse_s_heliem.png
/Designs/Measuring_instruments/ABL01A/pdf/napln/Linde_helium.pdf
/Designs/Measuring_instruments/ABL01A/pdf/napln/Redukcni_ventil.png
/Designs/Measuring_instruments/AWS01A/TODO.txt
2843 4081 d 15 h kaklik / zaznaw chyb na modulech a upravy SW z frantovejch. Diff
/Designs/Measuring_instruments/AWS01A/SW/AVR
/Designs/Measuring_instruments/AWS01A/SW/AVR/config.h
/Designs/Measuring_instruments/AWS01A/SW/AVR/sht11.c
/Designs/Measuring_instruments/AWS01A/SW/AVR/sht11.h
/Designs/Measuring_instruments/AWS01A/SW/SHT.h
/Designs/Measuring_instruments/AWS01A/pdf/Sensirion_Humidity_SHT1x_SHT7x_CRC_Calculation_V1.pdf
/Designs/Measuring_instruments/AWS01A/pdf/Sensirion_Humidity_SHTxx_Sample_Code_V2.07.pdf
/Modules/Sensors/IMU01A/TODO.txt
/Modules/Sensors/SHT25V01A/TODO.txt
/Modules/TDC/GP201A/pdf
/Modules/TDC/GP201A/pdf/H19.pdf
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
/Modules/CommSerial/JTAGFT2232V02A/SCH_PCB/untitled.brd
/Modules/CommSerial/JTAGFT2232V02A/TODO.txt
/Modules/H_Bridge/DRV8835HB01A/PrjInfo.txt
/Modules/H_Bridge/DRV8835HB01A/SCH_PCB/untitled.brd
/Modules/H_Bridge/DRV8835HB01A/TODO.txt
/Modules/PowerSupply/LION1CELL01A/SCH_PCB/untitled.brd
/Modules/PowerSupply/LION1CELL01A/TODO.txt
/Modules/Sensors/IMU01A/SCH_PCB/untitled.brd
/Modules/Sensors/SHT25V01A/SCH_PCB/untitled.brd
2838 4084 d 18 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ fungujici cidla krome anemometru Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2837 4084 d 20 h kaklik /Designs/Measuring_instruments/AWS01A/SW/ zlepseni presnosti cteni vlhkosti. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
/Designs/Measuring_instruments/AWS01A/SW/SHT.c
2836 4084 d 23 h kaklik /Designs/Measuring_instruments/AWS01A/SW/ Diff
/Designs/Measuring_instruments/AWS01A/SW/SHT.c
/Designs/Measuring_instruments/AWS01A/SW/ds1820.c
2835 4084 d 23 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ zvysena adolnost proti adpojeni cidla Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2834 4085 d 14 h kaklik /Designs/Measuring_instruments/AWS01A/SW/ uprava sw, aby byl odolny proti vypadku cidla. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
/Designs/Measuring_instruments/AWS01A/SW/ds1820.c
2833 4085 d 15 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
2831 4089 d 20 h kaklik /Designs/Measuring_instruments/AWS01A/ zapis nalezenych vad Diff
/Designs/Measuring_instruments/AWS01A/TODO.txt
2830 4089 d 20 h kakl /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt/ Testovani interruptu s BootLoaderem. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt/main.h
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/test_interrupt/main.pjt
2829 4089 d 22 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2828 4089 d 23 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ presenuti include od bootloaderu Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt
2827 4089 d 23 h kaklik /Designs/Measuring_instruments/AWS01A/SW/PIC16F887/ zapnuti preruseni. Diff
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.c
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.hex
/Designs/Measuring_instruments/AWS01A/SW/PIC16F887/main.pjt