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nq4t
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layout: page2
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layout: page2
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title: NQ4T Software
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title: PiScrape
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order: 7
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---
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<div class="message"> If a project does not have a link, it means I just haven't created a project specific page yet. However everything
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has a Git repository.</div>
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## PiScrape - Text-Only Hotspot Information ·
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I am by no means a software developer, that being said I've written some code that does things related to ham radio.
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[Git Repository](https://git.pickmy.org/nq4t/piscrape)
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Some of it can fall under the category of "stupid tricks" that are geared toward web presence. Some of it is the
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actual website itself since it uses Jekyll/Liquid/Ruby for static generation.
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PiScrape allows you to display your connected reflectors/talkgroups in a small webpage you can embed, like this:
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- PiScrape - Text-Only Hotspot Information · [Git Repository](https://git.pickmy.org/nq4t/piscrape)
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<iframe border=0 src="https://pistar.nq4t.com/pistar/pistar.php" width="320" height="300">
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- This consists of a bash script and PHP page that will display a small box with Pi-Star reflector/talkgroup
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information that you can iframe in to a webpage. (Will be) part of my QRZ profile when I can stop screwing around with
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It does this by scraping the Pi-Star dashboard for the information using a shell script and php page. It can be run
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the main webpage long enough to update it.
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on any webserver with PHP and SSH access to your Pi-Star. It can also be run entirely on Pi-Star if you open web ports
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- PiStAPrS - Beacon Hotspot Information To APRS-IS · [Git Repository](https://https://git.pickmy.org/nq4t/pistaprs)
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or reverse proxy. The original version ran on a locally hosted web-server that could pull the dashboard directly.
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- Similar to PiScrape, except this runs on an external Pi with a GPS hat that will beacon location information
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and reflector/TG as a comment. Originally designed for a road-trip. Became the basis for PiScrape
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The PHP page itself largely just calls the shell script, which returns the HTML code containing your connection info.
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- HamHead - Arduino Remote Head For CAT/CI-V Radios · [Git Repository](https://git.pickmy.org/nq4t/HamHead)
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When the script is executed; it pulls either the repeaterstatus frame from the dashboard or the Brandmeister API page.
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Then using a series of awk and sed commands, the information is extracted and output.
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- Project with the goal of letting you add a remote head to any radio that uses CAT/CI-V. Development is dorment
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but not entirely dead. Was originally a "memory controller" for an IC-725 to aid in tuning CB channels for monitoring on
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### Bash Script
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the road.
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- PiFO - Pi VFO Controller/Head · [Git Repository](https://git.pickmy.org/nq4t/PiFO)
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```bash
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- Abandoned. The original RPi based project before I switched to Arduino and called it HamHead. Started off using
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#!/bin/bash
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HamLib before I abandoned it for being inadequate for my vision. Was later abandoned entirely because who wants to wait
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#.013 alpha
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for an OS to boot to control their rig.
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# de NQ4T (nq4tango@gmail.com)
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# SET THE HOSTNAME OR IP OF YOUR HOTSPOT!
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pidmr=192.168.1.10
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# I HAVE TWO SO I SET TWO
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#pidstar=192.168.1.11
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# grab copy of rendered bm_links.php from hotspot, convert HTML to newline, filter by "TG", remove timeslot info, convert to one line
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# check contents to see if we need to display 'no groups' message
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# if you are not using DMR, then comment these two lines out
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# to comment out, just add a pound-sign to the start of the line, like these comments.
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dmr=$(curl -s http://$pidmr/mmdvmhost/bm_links.php| sed 's/<[^>]\+>/\n/g' | grep '^TG' | sed 's/TG/#/g'| sed 's/(.)//g' | sed ':a;N;$!ba;s/\n/ - /g')
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[ -z "$dmr" ] && dmr="No Talkgroups Found"
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# do the same for dstar with repeaterinfo.php but just egrep for reflector prefix, strip HTML, keep the first 8 characters
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# check to see if we need to display not linked
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# if you are not using D-Star, comment these next two lines out. if you don't, the script will take longer to run.
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# If you modify what egrep looks for, you may get other modes to work.
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#dstar=$(curl -s http://$pidstar/mmdvmhost/repeaterinfo.php | egrep "REF|XRF|DCS|XLX" | sed 's/<[^>]\+>//g' | cut -b 1-8)
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#[ -z "$dstar" ] && dstar="Not Linked"
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# HTML for table cells on hotspot.php page. These are all one line even if they look like two in your editor.
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# This is for a 2x2 table using DMR and D-Star
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#printf "<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\" width=\"20%%\"><small>BM TG:</small></td>\n<td style=\"vertical-align: top;\"><small>$dmr</small><br></td></tr>\n<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\" width=\"20%%\"><small>D-Star:</small></td>\n<td style=\"vertical-align: top;\"><small>$dstar</small><br></td></tr>\n"
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# This is for a DMR only display.
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printf "<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\"><small>BM TG:</small></td>\n<td style=\"vertical-align: top;\"><small style=\"font-style: italic;\">$dmr</small><br></td></tr>\n"
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# This is for a D-STar Only Display
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# printf "<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\"><small>D-Star:</small></td>\n<td style=\"vertical-align: top;\"><small style=\"font-style: italic;\">$dstar</small><br></td></tr>\n"
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```
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The script iself is commented pretty well to explain how it works. Minimal modification is required for operation. The main requirement is you can either access the
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dashboard from the system running the script, or can remotely execute the script on a machine that can. Since putting your Pi-Star's dashboard on the internet is risky
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without reverse proxy; remote execution via SSH and key-based authentication is recommended.
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The script's output is literally pre-formatted HTML:
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```
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pi-star@pi-star(rw):~$ ./piscrape.sh
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<tr><td style="vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;"><small>BM TG:</small></td>
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<td style="vertical-align: top;"><small style="font-style: italic;">#3151 #98003 </small><br></td></tr>
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```
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The PHP executes the script, stuffs this information in the proper place, as well as adding a time-stamp:
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```php
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<html>
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<head>
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<meta content="text/html; charset=ISO-8859-1"
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http-equiv="content-type">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>NQ4T Hotspot Info</title>
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</head>
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<body>
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<div style="margin-right: auto; font-family: Verdana; text-align: left;"><big>
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</big><small><span style="font-weight: bold;">NQ4T Pi-Star Hotspot
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Network</span><br>
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<br style="font-weight: bold; font-style: italic;">
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<span style="font-weight: bold; font-style: italic;">Current
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Connections:</span><br>
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</small><big>
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</big>
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<table
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style="border: 1px solid black; text-align: left; border-collapse: collapse;"
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cellpadding="2" cellspacing="0">
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<tbody>
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<?php
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$output = shell_exec('/media/html/qth-nq4t/hotspot13alpha.sh');
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echo "$output";
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?>
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</tbody>
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</table>
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<big>
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</big><small><br style="font-style: italic; font-weight: bold;">
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<span style="font-style: italic; font-weight: bold;">Listed connections
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do not mean I have a radio on or am at a radio.<br>This is especially true
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for Brandmeister.</span><br
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style="font-weight: bold; font-style: italic;">
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<span style="font-style: italic; font-weight: bold;"> For informational
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purposes only.
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</span><br>
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<br>
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73 de NQ4T
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<br>
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<?php
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echo date("Y-m-d") . " @ " . date("H:i:s") . "z";
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?>
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</small>
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</div>
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</body>
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</html>
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```
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Most of this was actually based off of [Pi-StAPrS](https://nq4t.com/software/pistaprs) and was designed to be embedded in a QRZ profile page.
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Full source code is available in the [repository](https://git.pickmy.org/nq4t/piscrape).
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