[hpsdr] BBhamnet & Hermes??

John radio at mediacombb.net
Sun Jul 5 12:40:23 PDT 2015


Thanks John and George.

At 03:16 PM 7/4/2015, John Laur wrote:
>Hi, John
>
>We have discussed it several times in the past 
>on this and other lists; the HPSDR protocol is 
>not tolerant of high latency (above about 5ms or 
>so), packet loss, or out of order packets. 
>Wireless networks inherently have more of this 
>stuff than local wired networks, and on wide 
>area mesh networks, such things happen 
>routinely. I would not expect that running the 
>radio over this type of network would work well if at all.
>
>You could use a solution like ghpsdr3-alex 
>provides which is a client/server architecture 
>that would be more tolerant of this type of 
>network. 
><http://napan.ca/ghpsdr3/index.php/Main_Page>http://napan.ca/ghpsdr3/index.php/Main_Page 
>This would require a small server computer to be located with the radio.
>
>73, John K5IT
>
>On Sat, Jul 4, 2015 at 10:22 AM, George Byrkit 
><<mailto:ghbyrkit at chartermi.net>ghbyrkit at chartermi.net> wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>John,
>Perhaps you are confused and conflating several 
>different projects (HPSDR and BBhamnet)
>that TAPR has/is supported/supporting, and has 
>featured at the TAPR forum in Dayton?
>Remember, it's the TAPR forum and not the HPSDR forum!
>
>Hermes can only be used on a local 
>subnet.  That is, Hermes must be on the same subnet as
>the computer controlling it.  Just because 
>something is full-duplex, that doesn't make it
>usable across a routed network like the 
>Internet, WiFi, or something like BBHamNet.  There
>is no routing code in Hermes.  There is minimal 
>support for DHCP, and it's in FPGA logic,
>done carefully by Phil VK6PH.
>
>TAPR has often, in the past, supported such 
>concepts as BBHamNet, and support has recently
>been increased with the passing of John 
>Stephenson, and the receipt of a substantial
>bequest in his will to help finish the work that 
>John started.  Thus, TAPR has reached out
>to such communities as BBHamNet to try and find 
>support and developers to finish John's
>work.
>
>So, I do not think that you WOULD use PowerSDR and Hermes over BBHamNet.
>
>73,
>George Byrkit, K9TRV
>TAPR board member
>
>-----Original Message-----
>From: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] On Behalf Of John
>Sent: Saturday, July 04, 2015 10:21 AM
>To: <mailto:hpsdr at lists.openhpsdr.org>hpsdr at lists.openhpsdr.org
>Subject: [hpsdr] BBhamnet & Hermes??
>
>***** High Performance Software Defined Radio Discussion List *****
>
>
>I think it was John, AJ6BC, that brought up BBhamnet in the July 4,
>Teamspeak for HPSDR.
>
>Just yesterday I posted a message on the BBhamnet forum asking how
>one would use BBhamnet to control Hermes:
>
><http://www.broadband-hamnet.org/hsmm-mesh-forums/view-postlist/forum-1-general/topic-1630- 
>rig-control-fdx.html>http://www.broadband-hamnet.org/hsmm-mesh-forums/view-postlist/forum-1-general/topic-1630-
>rig-control-fdx.html
>
>Â  I do not normally cross post, but it seemed timely to ask here:
>
>How would I go about using Hermes (with OpenPowerHPSDR) over BBhamnet?
>
>Since the Hermes Ethernet is full duplex, how can I use it with WiFi BBhamnet?
>
>John,  WoGN
>
>
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