Hi all, "parrot" is now reliable, running an old kernel:
Linux taitbox 3.10.108-BPI-M2U-Kernel #1 SMP Sat Nov 11 19:20:49 CST 2017 armv7l Ubuntu 14.04 Uptime 10:20:09 up 5 days, 3:46, 2 users, load average: 1.47, 1.44, 1.46 So I have a reliable backend. USB Bus 001 Device 004: ID 08bb:2902 Texas Instruments PCM2902 Audio Codec Bus 001 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port I'm wondering about a transceiver for 20m and/or 15m. All the marine HF radios here only do 2 - 10 MHz. Note, it has to have a digital synthesised VFO, or crystals. (crystals are expensive) I want to keep the costs down and not tie up a full ham band transceiver. ========= Activity on 14.153 MHz USB ============ Absolutely nothing. SSB, excellent 20m signals during the day from Brisbane, Melbourne and ZL. FT8 plenty..... Alan VK2ZIW On Sun, 25 Nov 2018 17:01:37 +1000, Alan Beard wrote > Hi all, > > > Going back to 14.153 MHz USB > > > Alan VK2ZIW > > > > > > On Sun, 25 Nov 2018 05:41:24 +1000, Alan Beard wrote > > Hi all, > > > > > > 'tiz back on 7177 KHz to capture the after broadcast chit-chat. > > > > > > Alan VK2ZIW > > > > > > > > > > > > On Sat, 24 Nov 2018 12:52:38 +1000, Alan Beard wrote > > > Here is "top" on the Banana Pi M2 Berry and a 500Gb laptop disk: > > > > > > > > > > > > top - 13:43:53 up 44 min, 2 users, load average: 1.43, 1.41, 1.32 > > > Tasks: 181 total, 1 running, 180 sleeping, 0 stopped, 0 zombie > > > %Cpu(s): 5.8 us, 0.2 sy, 0.0 ni, 94.0 id, 0.0 wa, 0.0 hi, 0.0 si, > > > 0.0 st > > > KiB Mem : 1022592 total, 322948 free, 222612 used, 477032 > > > buff/cache > > > KiB Swap: 7602168 total, 7602168 free, 0 used. 766497 avail > > > Mem > > > > > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ > > > COMMAND > > > 15479 alanb 20 0 21716 3532 2448 S 26.7 0.3 > > > 4:48.62 parrot > > > 1038 root rt 0 0 0 0 S > > > 4.0 0.0 0:41.98 cfinteract+ > > > 4 root 20 0 0 0 0 S > > > 0.7 0.0 0:17.34 kworker/0:0 > > > 21893 alanb 20 0 7164 1504 992 R 0.7 0.1 > > > 0:00.17 top > > > > > > That's 26% of one CPU core. > > > > > > > > > The Allwinner V40 SoC, quad core and 1Gb ram. > > > > > > > > > Alan VK2ZIW > > > > > > > > > > > > On Sat, 24 Nov 2018 10:39:46 +1000, Alan Beard wrote > > > > And again, Hi all, > > > > > > > > > > > > I've been battling with my "parrot" repeater crashing, using the Banana > > > > Pi and Fedora 29 Linux. > > > > > > > > > > > > So I'm trialling a Banana Pi M2 Berry running Ubuntu 16.04 with an old > > > > old kernel 3.10 series. > > > > > > > > > > > > There are bugs, bad bugs with the latest AHCI-SUNXI and other laptop > > > > AHCI (SATA) drivers. > > > > It's all about Power Management. > > > > > > > > > > > > It seems kernels before 4.16.xx are OK. > > > > > > > > > > > > I've been battling with this for months!!!! > > > > > > > > > > > > I can't deploy an unreliable system!!!! > > > > > > > > > > > > Keep smiling > > > > > > > > > > > > Alan VK2ZIW > > > > > > > > On Thu, 22 Nov 2018 10:38:54 +1000, Alan Beard wrote > > > > > Hi again all, > > > > > > > > > > > > > > > 7177KHz LSB is being swamped by switchmode noise here in Emu Heights > > > > > and 40m > > > > > is not much good all day. 20m is much better. > > > > > > > > > > > > > > > I'm going to switch to 14.236 USB weekdays and only 7177 on Sundays. > > > > > > > > > > > > > > > That Optus HFC cable box is the death of HF. > > > > > > > > > > > > > > > Remember, add the string "c2rpt" or VK2ZIW" to trigger a repeat. > > > > > > > > > > > > > > > Alan VK2ZIW > > > > > > > > > > > > > > > > > > > > > > > > > lOn Fri, 5 Oct 2018 08:02:29 +1000, Alan Beard wrote > > > > > > Hi all, > > > > > > > > > > > > > > > > > > On-air testing of the latest code is needed so please try the > > > > > > repeater. > > > > > > > > > > > > > > > > > > 7177KHz LSB mode 700D, put my callsign in the, sent text. > > > > > > > > > > > > > > > > > > Alan VK2ZIW > > > > > > > > > > > > > > > > > > > > > > > > On Wed, 26 Sep 2018 07:16:34 +1000, Alan Beard wrote > > > > > > > Hi Enrich, > > > > > > > > > > > > > > > > > > > > > Hardware for "parrot", Nothing in particular, just any Linux box. > > > > > > > > > > > > > > > > > > > > > To keep the power use down, I use a Raspberry Pi clone. > > > > > > > I use Fedora linux as, for the ARM processor they have made their > > > > > > > distribution > > > > > > > almost hardware independent. There are two steps in making a > > > > > > > bootable SD card > > > > > > > simples. Supports about 50 boards with one SD card image file. > > > > > > > > > > > > > > > > > > > > > On the audio side I use a Behringer UCA202 USB device. That's > > > > > > > because it has RCA > > > > > > > line output connectors to which goes to my home-brew isolation > > > > > > > box to my FT-450 > > > > > > > transceiver. > > > > > > > > > > > > > > > > > > > > > Any audio port device supported by Linux will do, must do 48000 > > > > > > > samplerate. > > > > > > > > > > > > > > > > > > > > > For PTT I use a PL2303 USB serial adapter to supply DTR to the > > > > > > > above isolation box's > > > > > > > opto-coupler. > > > > > > > > > > > > > > > > > > > > > In the code there's provision to use a Pi GPIO port. > > > > > > > > > > > > > > > > > > > > > Pi considerations > > > > > > > ============= > > > > > > > Since my Pi is a development box, it MUST have a good Hard Disk. > > > > > > > So I'd pick a board with a High Speed Disk Interface and migrate > > > > > > > the root filesystem onto that disk, off the SD card. > > > > > > > > > > > > > > SSDs are cheap and available and low power. That's what I use, a > > > > > > > 128Gb. > > > > > > > > > > > > > > It's constantly writing log files and audio files and, I download > > > > > > > the latest > > > > > > > SVN code, compile and run, this way I help our developers by > > > > > > > running, > > > > > > > real time, their code. > > > > > > > > > > > > > > Alan VK2ZIW > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Tue, 25 Sep 2018 18:15:42 +0930, Erich Heinzle wrote > > > > > > > > Any particular hardware/build requirements for the repeater > > > > > > > > code other than (I assume) linux? > > > > > > > > > > > > > > > > Regards, > > > > > > > > > > > > > > > > VK5HSE > > > > > > > > > > > > > > Alan > > > > > > > > > > > > > > Evil flourishes when good men do nothing. > > > > > > > Consider the Christmas child. > > > > > > > --------------------------------------------------------------------------- > > > > > > > > > > > > > > Alan Beard Unix Support Technician from 1984 to > > > > > > > today > > > > > > > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, > > > > > > > MIPS > > > > > > > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, > > > > > > > terminals etc.. > > > > > > > +61 2 47353013 (h) Support Programming, shell scripting, > > > > > > > "C", assembler > > > > > > > 0414 353013 (mobile) After uni, electronics tech > > > > > > > > > > > > > > > > > > > Alan > > > > > > > > > > > > Evil flourishes when good men do nothing. > > > > > > Consider the Christmas child. > > > > > > --------------------------------------------------------------------------- > > > > > > > > > > > > Alan Beard Unix Support Technician from 1984 to today > > > > > > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > > > > > > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, > > > > > > terminals etc.. > > > > > > +61 2 47353013 (h) Support Programming, shell scripting, "C", > > > > > > assembler > > > > > > 0414 353013 (mobile) After uni, electronics tech > > > > > > > > > > > > > > > > Alan > > > > > > > > > > Evil flourishes when good men do nothing. > > > > > Consider the Christmas child. > > > > > --------------------------------------------------------------------------- > > > > > > > > > > Alan Beard Unix Support Technician from 1984 to today > > > > > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > > > > > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, > > > > > terminals etc.. > > > > > +61 2 47353013 (h) Support Programming, shell scripting, "C", > > > > > assembler > > > > > 0414 353013 (mobile) After uni, electronics tech > > > > > > > > > > > > > Alan > > > > > > > > Evil flourishes when good men do nothing. > > > > Consider the Christmas child. > > > > --------------------------------------------------------------------------- > > > > > > > > Alan Beard Unix Support Technician from 1984 to today > > > > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > > > > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals > > > > etc.. > > > > +61 2 47353013 (h) Support Programming, shell scripting, "C", > > > > assembler > > > > 0414 353013 (mobile) After uni, electronics tech > > > > > > > > > > Alan > > > > > > Evil flourishes when good men do nothing. > > > Consider the Christmas child. > > > --------------------------------------------------------------------------- > > > > > > Alan Beard Unix Support Technician from 1984 to today > > > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > > > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals > > > etc.. > > > +61 2 47353013 (h) Support Programming, shell scripting, "C", > > > assembler > > > 0414 353013 (mobile) After uni, electronics tech > > > > > > > Alan > > > > Evil flourishes when good men do nothing. > > Consider the Christmas child. > > --------------------------------------------------------------------------- > > Alan Beard Unix Support Technician from 1984 to today > > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals > > etc.. > > +61 2 47353013 (h) Support Programming, shell scripting, "C", > > assembler > > 0414 353013 (mobile) After uni, electronics tech > > > > Alan > > Evil flourishes when good men do nothing. > Consider the Christmas child. > --------------------------------------------------------------------------- > Alan Beard Unix Support Technician from 1984 to today > 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS > Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc.. > +61 2 47353013 (h) Support Programming, shell scripting, "C", assembler > 0414 353013 (mobile) After uni, electronics tech > Alan Evil flourishes when good men do nothing. Consider the Christmas child. --------------------------------------------------------------------------- Alan Beard Unix Support Technician from 1984 to today 70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc.. +61 2 47353013 (h) Support Programming, shell scripting, "C", assembler 0414 353013 (mobile) After uni, electronics tech
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