[arm-allstar] Node Radio

[Chris Souleles]

Thanks to all for the radio info.  Turns out I have an extra Yaesu FT-7900 so I'm going to interface that as a base station node and see how it works.
Chris - W6CS - 73

      From: Benjamin Naber via arm-allstar <arm-allstar at hamvoip.org>
 To: ARM Allstar <arm-allstar at hamvoip.org> 
Cc: Benjamin Naber <Benjamin at KB9LFZ.com>
 Sent: Monday, December 4, 2017 4:36 PM
 Subject: Re: [arm-allstar] Node Radio
   
I agree with Doug.

A surplus commercial radio will do the the trick. While programming can
*sometimes* be a challenge, searching the internet will yield useful
results.

I have built a couple nodes using GE MVS radios. They have a well
suited heat sink, easy to modify, service manuals can be easily found,
and the programming software is openly available. 

We had a node with a UHF GE MVS radio being used as a repeater remote
base that saw hours of use a day. I had modified the radio for lower RF
power from 40 to about 5w, with a simple jumper to to bypass the PA.

Using a server power supply, the node ran without an issue. It was
taken off the air as the internet connection where the repeater remote
base node decided to became very un-reliable.

~Benjamin, KB9LFZ


On Mon, 2017-12-04 at 11:48 -0500, 
> Chris,
> 
>  We use the UV82 in nodes with good success although generally not
> high
> power. If you just want two bands that is a good choice. Generally
> these
> are only used for portable or mobile nodes with rather poor antennas
> and
> limited range. I think I would be careful about running any of the
> Chinese
> stuff on fixed good antennas and/or amplifiers. Many of them are not
> exactly clean on TX output.
> 
> Unfortunately there is not much mid range cost stuff out there. It is
> either cheap Chinese or $150 or more. You might consider commercial
> surplus. There is a lot of Motorola stuff out there from the
> narrowband
> switch over and now that we have the ability in the hamvoip code to
> program
> them it makes it easier for anyone to get them on the air.
> 
> 
> *73 Doug*
> 
> *WA3DSP*
> 
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> 
> 
> On Mon, Dec 4, 2017 at 11:12 AM, "Chris Souleles via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
> 
> > I'm looking for an alternative low cost node radio.  I have built
> > two
> > nodes with the BF888, RPI3, DMK URi.  I'm thinking it would be nice
> > to get
> > more power and the option for 2 meters. I use my nodes mobile
> > through a
> > hotspot which does not require the power, and I also use them as
> > base nodes
> > with a home brew 440 MHz ground plane antenna up about 15
> > feet.  Having the
> > option to run high or low power, 2 meter or 440 would be nice.
> > I am looking at UV-5RHP and UV-82HP.  I've heard the UV-5R will
> > overheat
> > on the high power mode so I assume the HP version would be even
> > worse.  Is
> > this the same situation with the UV-82HP?   I will be removing them
> > from
> > the case as I did with the BF888 so I don't know if heat will still
> > be a
> > problem.
> > I see good instructions for modifying the UV-82 on line.  Are the
> > connection points the same on the UV-82HP?
> > Any recommendations on choice of node radio would be appreciated.
> > Thanks,  Chris - W6CS - 73
> > 
> > 
> > 
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