<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1439162640601_3233" dir="ltr">I, at one time, would have been a tinkerer and the challenge of the Raspberry Pi based SSTV would have been welcome. However, I no longer care to learn to program the thing, chase parts, try to package it to look nice, etc. Like many, I suspect, I have become an appliance operator, just give me a box with minimal configuration and I will be on the air.</div><div id="yui_3_16_0_1_1439162640601_3878" dir="ltr"><br></div><div id="yui_3_16_0_1_1439162640601_3751" dir="ltr">And living in the boonies, as far as APRS is concerned, I need power, lots of power, lots of hills, valleys and obstructions between me and the only igate in the area.<br></div><div id="yui_3_16_0_1_1439162640601_3129"><span></span></div><div id="yui_3_16_0_1_1439162640601_3948">73</div><div id="yui_3_16_0_1_1439162640601_3951"><br></div><div id="yui_3_16_0_1_1439162640601_3952">Manuel, wa5vxi<br></div><div id="yui_3_16_0_1_1439162640601_3132" style="font-family: HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1439162640601_3131" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1439162640601_3130" dir="ltr"> <hr id="yui_3_16_0_1_1439162640601_3232" size="1"> <font id="yui_3_16_0_1_1439162640601_3135" face="Arial" size="2"> <b id="yui_3_16_0_1_1439162640601_3134"><span id="yui_3_16_0_1_1439162640601_3133" style="font-weight:bold;">From:</span></b> Stephen H. Smith via aprssig <aprssig@tapr.org><br> <b id="yui_3_16_0_1_1439162640601_3137"><span id="yui_3_16_0_1_1439162640601_3136" style="font-weight: bold;">To:</span></b> Eric Grumling <egrumling@gmail.com>; TAPR APRS Mailing List <aprssig@tapr.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Sunday, August 9, 2015 5:43 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [aprssig] APRN (Automatic Picture Relay Network) revival?<br> </font> </div> <div id="yui_3_16_0_1_1439162640601_3226" class="y_msg_container"><br>On 8/9/2015 12:07 PM, Eric Grumling via aprssig wrote:<br clear="none">> *<a id="yui_3_16_0_1_1439162640601_3227" shape="rect" href="http://www.agri-vision.nl/CMS/index.php?option=com_content&view=article&id=54" target="_blank">http://www.agri-vision.nl/CMS/index.php?option=com_content&view=article&id=54 </a>is<br clear="none">> a Raspberry Pi based SSTV capture and transmission device. With the FM<br clear="none">> transmitter software developed by Oliver Mattos and Oskar Weigl (and<br clear="none">> filtering and likely a bandpass filter it could be a stand-alone transmitter.*<br clear="none">> *<br clear="none">> *<br clear="none">> *73*<br clear="none">> *K0JEG*<br clear="none">> *<br clear="none"><br clear="none"><br clear="none">Hopelessly underpowered for the intended application. SSTV is a strong-signal <br clear="none">mode that needs "full-smash" hard-quieted signals to work decently. I.e. <br clear="none">somewhat similar to signal requirements for normal 1200 or 9600 baud packet. <br clear="none">With the milli-watts range power output of this device, the range will be <br clear="none">something like Bluetooth or Wi-Fi. One needs output power on the order of <br clear="none">watts or 10's of watts to be practical.<br clear="none"><br clear="none">Further, the article doesn't indicate what mode(s) this thing transmits. If <br clear="none">the intent is to have a large number of igate-like receive installations, they <br clear="none">will need to run standard modes that can be received by off-the-shelf SSTV apps <br clear="none">like mmSSTV or HRD DM-780.<br clear="none"><br clear="none"><br clear="none">I still thing N1VG's SSTV cam board mated to one of his 5-watt FM telemetry <br clear="none">transmitter modules is the way to go, and far less susceptible to buggy <br clear="none">software and computer hiccups. One can "hardware" one of several standard SSTV <br clear="none">formats with DIP switches.<br clear="none"><br clear="none"><br clear="none">________________________________________________________<br clear="none"><br clear="none">--<br clear="none"><br clear="none">Stephen H. Smith wa8lmf (at) aol.com<br clear="none">Skype: WA8LMF<br clear="none">EchoLink: Node # 14400 [Think bottom of the 2-meter band]<br clear="none">Home Page: <a shape="rect" href="http://wa8lmf.net/" target="_blank">http://wa8lmf.net</a><br clear="none"><br clear="none">Live Off-The-Air APRS Activity Maps<br clear="none"> <<a shape="rect" href="http://wa8lmf.net/map" target="_blank">http://wa8lmf.net/map</a>><br clear="none"><br clear="none">Long-Range APRS on 30 Meters HF<br clear="none"> <<a shape="rect" href="http://wa8lmf.net/aprs/HF_APRS_Notes.htm" target="_blank">http://wa8lmf.net/aprs/HF_APRS_Notes.htm</a>><div class="qtdSeparateBR"><br><br></div><div class="yqt8717864046" id="yqtfd86822"><br clear="none"><br clear="none"><br clear="none"><br clear="none">_______________________________________________<br clear="none">aprssig mailing list<br clear="none"><a shape="rect" ymailto="mailto:aprssig@tapr.org" href="mailto:aprssig@tapr.org">aprssig@tapr.org</a><br clear="none"><a shape="rect" href="http://www.tapr.org/mailman/listinfo/aprssig" target="_blank">http://www.tapr.org/mailman/listinfo/aprssig</a><br clear="none"></div><br><br></div> </div> </div> </div></body></html>