[aprssig] Digipeater setup for Dayton

Fredric Moses fred at moses.bz
Fri May 20 00:14:49 EDT 2011

I sent Randy Love WF5X with my portable APRX Digi/Igate setup for aprs..  I configured the VHF NOT TO DIGI. But it is setup as an IGATE only.   He just added a UHF port on 440.975 This port can be used as an ALT input style and is also a stand alone digi... So packets heard on UHF is TXed out VHF and UHF..   All packets are getting logged on both ports..  And it sends both VHF/UHF packets to APRS-IS...   I can SSH in and add any objects or changes that might be needed....  So if you guys want to hunt for it.. should be some where in the arena..    Randy didn't bring a camera so if you find it.. I would love to see some setup photos as I can't make dayton this year..  Can email me them directly....

Fredric Moses - W8FSM
fred at moses.bz

On May 16, 2011, at 10:28 AM, Bob Bruninga wrote:

>> [does] anyone set up a digipeater at Dayton, 
>> or do we rely on the local digi's?
> Proper operation of an event like Dayton would suggest that putting up a
> digipeater would be the worst thing to do.  With over 300+ mobiles and
> portables beaconing away all in simplex range of each other, a digipeater
> would do nothing but drastically reduce the reliability of the channel by
> half or more.
> The proper way to handle a ham radio event with a massive influx of APRS
> operations is to:
> 1) Have no digi at the focal point (Hamvention) (all signals are direct)
> 2) Have all digis going out 20 miles in all directions be ONE-HOP DIGIS
> ONLY.  That is, they only respond to WIDE1-1 or WIDE2-2 and nothing else.
> They digipeat once and do callsign substitution so the packet goes no
> farther.
> 3) Strategic IGates are placed right at Hamvention so they hear everything
> in simplex range.
> 4) Additional IGates are configured so that every surrounding digi going out
> 20 miles has an IGate to hear the one-hop packets.
> 5) Doing all the above, then the hundreds of APRS mobiles and portables do
> not have to change anything.  They just drive into town with their normal
> WIDE1-1,WIDE2-1 settings.
> No matter where you are, you will hear all your surrounding stations, and
> that is the best APRS can do under those conditions.
> Bob, WB4APR
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