[aprssig] 9600 Baud East Coast Backbone

Mark Cheavens mcheavens at usa.net
Thu Aug 18 09:24:02 EDT 2016

It is much easier and cheaper to put up 150+Mb/s links!

On 8/17/2016 10:34 PM, Robert Bruninga via aprssig wrote:
> We are dreaming of a 9600 baud East coasst packet backbone along the 
> route of the APRS Golden Packet event. http://aprs.org/ec9600net.html
> I wonder if the 5W 220 MHz HT featured in QST this month would make a 
> possible radio.  Many of these sites are high and adjacent to plenty 
> of VHF and UHF commercial rigs.
> Does that mean the 220 MHz is relatively free of front end overload at 
> most commercial sites?
> Could just a simple 1/4 wave coax stub bring the RF levels down to 
> workable levels?
> The radios are 5W and show 0.16uv sensitivity for $85.  Moving the 
> backbone to 220 coiuld then allow either 2m or UHF for local user 
> access to the backbone.  I had wanted 50W rigs for the 10 dB margin, 
> but maybe 5W will do some of the links.
> I have zero experience with 220, so I thought I would ask here.
> What is the channel we can use on 220 band for 9600 baud packet?
> Bob, WB4APR
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