[hfsig] Problem with operation

todd nexstar1 at hughes.net
Wed Mar 29 13:36:39 CDT 2017


Thanks for the info Jerry. That explains a lot.

My problem ended up being that when I loaded the image and started the Pi 3B 
everything to that point was ok. I then updated all per the readme file. At 
that point nothing seemed to work that I tried so removed the SD card and 
formatted it and re-loaded the image file again. After getting the monitor 
working again I left things alone and went through the readme file 
instructions except no updates/upgrades and it now works with no problems.

Also using a Mosley 4 band vertical. Sig is getting into the mid-west and 
southern States. Happy with it now.
73
Todd wd6dfh


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Subject: hfsig Digest, Vol 31, Issue 7

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>   1. Re: Problem with operation (Jerry Davis)
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> Message: 1
> Date: Wed, 29 Mar 2017 07:42:26 -0700
> From: Jerry Davis <jdawgaz at gmail.com>
> To: TAPR HF Modes SIG Mailing List <hfsig at tapr.org>
> Subject: Re: [hfsig] Problem with operation
> Message-ID:
> <CAMyDR6KUQHXXQQ5eANjxeDwsGehUomdbcw+qC7T_wFCftbrRng at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> I've had mine going continuously for a little over 2 months.
>
> I am K7AZJ, and my QTH is Phoenix. I have gotten as far away as Eastern
> Russia, and Hawaii. Mostly US, and Canada.
>
> Running with a dedicated Rpi 2 and 20m vertical.
>
> For those who profess to be Noobies. Let me explain a little bit about
> linux:
> Linux is by design a multiuser operating system. When you boot up, you are
> actually running as the user "pi".
>
> The reason you have to put sudo in front of the command is that the user 
> pi
> does not have the privileges it needs to run. By putting sudo in front, 
> you
> "become" root (which is the all powerful user, on unix and linux systems),
> and then you can run programs that accesses more privileged resources.
>
> The reason you must be in the directory to run it, is because you told it
> so on the command line. The . before the filename wspr, is a shortcut 
> which
> means "current directory" so
> ./wspr:  means run from the current directory (where ever you may be).
>
> You could easily run it from anywhere as long as the path was right. So if
> you had the wspr executable in a directory named bin in your home 
> directory
> then
> "sudo /home/pi/bin/wspr" would be just as good. I moved my executable to 
> my
> bin directory and run it that way, myself.
>
> Also according to the README file in the directory where you downloaded 
> and
> built wspr, I have added several 0's at the end of the command to only
> transmit every 30 minutes (14 0's I think). I feel that every 2 minutes is
> too frequently for me.
>
> so, after the sudo ./wspr ... 20 20m, mine looks like this:
>
> sudo ./wspr ... 20 20m 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>
> this means that when the next 2 minutes rolls around if it is zero it 
> won't
> transmit.
> once it exhausts all the 0 bands (which make it not transmit), it will 
> then
> recycle again, and then the 20m causes it to be transmitted again.
>
>
> Anyway, I hope my explanation is helpful to some who are new to linux.
>
> Jerry
>
>
>
>
> --
> Extra Ham Operator: K7AZJ
> Registered Linux User: 275424
> Raspberry Pi and Openscad developer
>
>
> *The most exciting phrase to hear in science - the one that heralds new
> discoveries - is not "Eureka!" but "That's funny...".*- Isaac. Asimov
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