title W6REK QRSS DTCW user strick ip 75.144.20.102 vol 1 lock ******** Transmitting from San Jose, Calif (CM97ah): /b W6REK Thanks to VE1VDM, ZL2IK, W4HBK, and WA5DJJ for the spectrum grabs. Grabbed in Nova Scotia by VE1VDM on 30 meter: /imagefile -xl W6REK-in-Novia-Scotia.png Grabbed in New Mexico, USA: /imagefile -l WA5DJJ-40m.1805270810.03ffdf8416.jpg Grabbed in New Zealand by ZL2IK: /imagefile -l ZL2IK1.1805270840.90e26a850b.jpg My attempt to enhance the signal in that previous image: /imagefile -xl ZL2IK1.1805270840.90e26a850b-edit.jpg /section Nested (fractal) DTCW: the inner DTCW with 5 Hz deviation takes under 3 minutes, and is reused multiple times to create the outer DTCW, with 15 Hz deviation, that transmits in about an hour. /imagefile -l W4HBK2.1805190910.9b95f2da3f.jpg Here's the relevant part of that image: /imagefile -xl W4HBK2.1805190910.9b95f2da3f-crop.jpg /imagefile -l WA5DJJ-40m.1805190050.165f83262f.jpg /imagefile -l WA5DJJ-40m.1805190110.c7be73cfc2.jpg Barely making it to Greensboro NC on 30m: /imagefile -l WD4ELG-30.1805300040.8a3a88e486.jpg * /imagefile -l WA5DJJ-80m.1806130250.7e54148d64.jpg * /imagefile -l WA5DJJ-20m.1806131140.49afb3df93.jpg * /imagefile -xl RASTER-GOOD-hf2__2_.jpg * /imagefile -o StarStaX_10min2018_06_28_0300z_10min2018_06_030web.jpg * /imagefile -o StarStaX_10min2018_06_28_0339z_10min2018_06_029web.jpg /box( /pre( pi@raspberrypi:~ $ cat -n /usr/local/bin/with-gpio-22.py 1 import gpiozero, os, sys 2 3 # Transmit gpio pin 22 is Active Low for Transmit. 4 rx = gpiozero.LED(22) 5 6 def Transmit(): 7 rx.off() 8 9 def Receive(): 10 rx.on() 11 12 if len(sys.argv) != 2: 13 raise Exception('Bad len(sys.argv): %d' % len(sys.argv)) 14 15 try: 16 Transmit() 17 os.system(sys.argv[1]) 18 finally: 19 Receive() pi@raspberrypi:~ $ /pre) /box) /section W6REK/4 transmitting from Edgefield County South Carolina /imagefile -l WA5DJJ-40m.1809080050.ce5e312d8f.jpg /box( /pre( pi@raspberrypi:~ $ cat -n qrss-slashup-sept2018.sh 1 #!/bin/bash 2 set -x 3 4 function rig() { 5 rigctl -m 313 -s 9600 -r /dev/serial/by-id/usb-FTDI* "$@" 6 } 7 8 while date 9 do 10 set +x 11 echo WAITING FOR 9/2/5 -- $(date) 12 while sleep 0.1; do 13 case $(date +%M) in 14 *9 | *2 | *5 ) break ;; 15 esac 16 done 17 echo GOT 9/2/5, WAITING FOR 0/3/6 -- $(date) 18 while sleep 0.1; do 19 case $(date +%M) in 20 *0 | *3 | *6 ) break ;; 21 esac 22 done 23 echo GOT IT -- $(date) 24 25 case $(date +%M) in 26 *0 ) F=7038770 ;; 27 *3 ) F=10138970 ;; 28 *6 ) F=14095770 ;; 29 * ) continue ;; 30 esac 31 32 set -x 33 rig M USB 2800 34 sleep 0.2 35 rig L RFPOWER 0.02 36 sleep 0.2 37 rig F $F 38 sleep 0.2 39 [ $F = $(rig f) ] 40 41 python2 /usr/local/bin/with-gpio-22.py 'set -x; 42 GOMAXPROCS=1 /usr/local/bin/qrss -gain=0.10 -mode=slashup -secs=8.5 -ramp=1.0 -rate=48000 -base=1000 -base_rand=0 -step=4' | 43 pacat --format=s16be --channels=1 --channel-map=mono --rate=48000 \ 44 --device=alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00-Device.analog-stereo 45 done pi@raspberrypi:~ $ 2018-09-18: pi@raspberrypi:~ $ cat -n qrss-slashup-sept2018.sh.3 1 #!/bin/bash 2 set -x 3 4 function rig() { 5 rigctl -m 313 -s 9600 -r /dev/serial/by-id/usb-FTDI* "$@" 6 } 7 8 while date 9 do 10 set +x 11 echo WAITING FOR 9/2/5 -- $(date) 12 while sleep 0.1; do 13 case $(date +%M) in 14 *9 | *2 | *5 ) break ;; 15 esac 16 done 17 echo GOT 9/2/5, WAITING FOR 0/3/6 -- $(date) 18 while sleep 0.1; do 19 case $(date +%M/%S) in 20 *0/1? | *3/1? | *6/1? ) break ;; 21 esac 22 done 23 echo GOT IT -- $(date) 24 25 case $(date +%M) in 26 *0 ) F=7038770 ;; 27 *3 ) F=10138970 ;; 28 *6 ) F=14095770 ;; 29 * ) continue ;; 30 esac 31 32 set -x 33 rig M USB 2800 34 sleep 0.2 35 rig L RFPOWER 0.01 36 sleep 0.2 37 rig F $F 38 sleep 0.2 39 [ $F = $(rig f) ] 40 41 case $(date -u +%d) in 42 02 | 03 | 05 | 07 | 11 | 13 | 17 | 19 | 23 | 29 | 31 ) 43 python2 /usr/local/bin/with-gpio-22.py 'set -x; 44 GOMAXPROCS=1 /usr/local/bin/qrss -gain=0.10 -mode=duo -secs=3.9 -ramp=0.1 -rate=48000 -base=1000 -base_rand=0 -step=3' 45 ;; 46 * ) 47 python2 /usr/local/bin/with-gpio-22.py 'set -x; 48 GOMAXPROCS=1 /usr/local/bin/qrss -gain=0.10 -mode=slashup -secs=8.5 -ramp=1.0 -rate=48000 -base=1000 -base_rand=0 -step=4' 49 ;; 50 esac | 51 pacat --format=s16be --channels=1 --channel-map=mono --rate=48000 \ 52 --device=alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00-Device.analog-stereo 53 done 54 55 # GOMAXPROCS=1 /usr/local/bin/qrss -gain=0.10 -mode=slashup -secs=8.5 -ramp=1.0 -rate=48000 -base=1000 -base_rand=0 -step=4' | 56 # GOMAXPROCS=1 /usr/local/bin/qrss -gain=0.10 -mode=duo -secs=4.0 -ramp=0.2 -rate=48000 -base=1000 -base_rand=0 -step=3' | /pre) /box) * /imagefile -O WD4ELG-80.1789x997.2018-09-24-112