David and Chris,

Thanks for the comments.

While my interest does include use as NTP server it is not entirely limited to 
that application, for example data collection and possibly RTL-SDR based ADS-B.

I have spent much time searching for information on both devices and as David 
suggested, the Beaglebone Black has a bit more going for it technically but the 
raspberry PI has a much larger user base.

I am considering one or the other or perhaps both to supplement my use of 
Arduino's and in light of the fairly recent announcement of the newest member 
of the Arduino stable in partnership with Intel I am wondering whether to wait 
for the new Aruduino offering (more $ but not much) or whether the PI or 
Beaglebone will do. 

See here for info on the Arduino Intel Galileo 
http://arduino.cc/en/ArduinoCertified/IntelGalileo

Speaking of Arduino, I have still not posted my sketch for my very simple NTP 
client clock display. I should have known that when I dug out the code and 
started to clean it up a bit before posting that I would end up spending more 
time fussing over it. Soon.

Cheers, Graham ve3gtc




-----Original Message-----
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf 
Of Chris Albertson
Sent: October-22-13 11:36 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Making a Raspberry Pi NTP server without soldering

On Tue, Oct 22, 2013 at 7:13 AM, Collins, Graham <coll...@navcanada.ca>wrote:

>
>
> How you done anything with or have compared the PI to the Beaglebone Black?


If your only use of the device is to have an NTP server then why pay more for 
the  Beaglebone?  The Pi based server seems to be better than required.
 "better" in this case meaning that it keeps time better then it can transfer 
it over your network.

If you need a lower cost Linux server, you can repurpose a PogoPlug.  These are 
roughly the same specs ARM process and a little bit of RAM but come with a case 
and power supply all for under $20.  You can re-flash them with a general 
purpose Linix-ARM distribution.  But no good place to attach a
PPS input except for using a USB-Serial dongle.   Well there is a serial
port header inside the box but I've not tried it.

Chris Albertson
Redondo Beach, California
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