With the dmlinking code you can also get one up pretty quick.
I've used the eth_ar code to set up a node on the DML network. I've
personally only used the analog (old fashioned FM) and 2400B modes, but
it has support for any FreeDV mode.
If you connect it to a DML echo reflector (can be done automaticly) you
are done.
You might need to tweak the 'squelch' code a bit. With the 2400B mode I
noticed that the lib would claim a sync a bit to soon sometimes, and I
added a bit of hysteresis. The values are pretty arbitrary and might
need to be tweaked for different modes.
Be carefull though: depending on regulations you might need a special
license for such a parrot. I know for sure that such a station in the
Netherlands is not allowed with my regular license. The regulations here
would be comparable to setting up a repeater.
73,
Jeroen PE1RXQ
On 06/01/2018 01:00 PM, Alan Beard wrote:
Hi all,
Can I ask again:
How about a parrot repeater?
I'm not asking someone to do it, I'm asking is there any
support for the idea.
Showing support for the idea could very well enthuse someone
to do the code. I'll be happy to setup the hardware.
Alan VK2ZIW
On Thu, 31 May 2018 11:08:59 +1000, Alan Beard wrote
Hi all,
How about a parrot repeater?
It's very frustrating when say on 10m or 6m there's Sporadic E
propagation and there's nobody on the other end. I trigger the repeater
but since I'm only half duplex on my end, I have no idea what MY
audio sounds like. All I hear is the repeater tail and it's callsign
in morse.
Conceptually, a Parrot repeater is very simple. No duplexer is required.
Only a simplex radio. A computer box that detects sync, saves the signal
for up to two mins does the FEC and resends the signal when Rx sync stops.
I'm not that good with "C++" to "go right ahead" and do it.
Any thoughts?
Alan VK2ZIW
On Thu, 31 May 2018 05:51:54 +0930, David Rowe wrote
My own post on the FreeDV 1.3 release process and the new 700D mode:
http://www.rowetel.com/?p=6103
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Evil flourishes when good men do nothing.
Consider the Christmas child.
---------------------------------------------------------------------------
Alan Beard Unix Support Technician from 1984 to today
70 Wedmore Rd. Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS
Emu Heights N.S.W. 2750 Routers, terminal servers, printers, terminals etc..
+61 2 47353013 (h) Support Programming, shell scripting, "C", assembler
0414 353013 (mobile) After uni, electronics tech
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