[K3CAL] Experimenting with 9600-baud APRS

Thu Jun 2 07:31:08 EDT 2016

Tom, you are correct, with exception. Fldigi is mostly useful on HF, for distance, but it may be used on vhf and uhf; vhf being better in this type terrain in Calvert. I believe it would work better in a city scape on uhf. This mode is short range comm, we were doing some short demos of this awhile back, at mount hope with two portable radios and laptops to demo function. Due to limited time window at Mt Hope, we didn't get to do a lot, or get everyone a chance to "hands on". By the way the portable radios were all band hf/vhf/uhf radios, signal link sound cards and laptops, with support accessories. I will look up an old email I sent out that links to utube video that gives a good step by step guide setting up the program(s) and using on a radio. 
We never were able to get to the APRS messaging and still didnt get enough participation to continue with FLDIGI. We were also going to do more with winlink rms express. 
When only one or two people are doing this, its not much fun. For some reason there doesn't seem to be a lot of interest in doing group workshops on this??? It is easy to set up at a home station and just leave it, being ready in all three modes with the same equipment and different software programs. A TNC is needed for APRS, or a dongle and program, don't even need a gps if you are running at home, just manual entry your coordinates.
This is certainly a topic for discussion, I don't feel this has to be CARA sponsored to experiment with. I would like it to be a need before CARA puts up a digipeater,  which means there are hams in Calvert using this on a daily basis. Heard anyone on the repeaters lately, we certainly don't have to worry about continuous duty amplifiers  these days!
Interest-workshops-involvement-groups-use-having fun-expanding your hobby interest-public service. 

Sent from my iPad,
Best Regards, 73,
Jim Tetlow

> On Jun 1, 2016, at 22:49, Thomas Rozenbroek <tom.rozenbroek at comcast.net> wrote:
> 
> OK, once again (or maybe still) I am officially confused.
> 
> It is my understanding that FLDIGI is used for HF SSB, not 2M packet.  What am I missing, beyond the normal things like common sense, a personality, a sense of humor and intelligence?
> 
> Any clarification would be greatly appreciated.
> 
> Also, what would be a good frequency on 2m to stand up a digipeater for test purposes?
> 
> 73s,
> 
> kb2bcg
> -----
> 
>> On 06/01/2016 08:21 PM, N3AE wrote:
>> I'd be happy to try some 2M packet with anyone in range of my QTH, either good old AX-25 or FLDIGI or WINMOR (Winlink).  Just need to coordinate schedules and a bit of time to get the packet gear up and running.
>> 
>> As Eric has pointed out, we also have the option of text messaging on APRS using the APRS digi, which I think is back in service at Mt Hope.
>> 
>> Shawn
>> 
>> From: "tom rozenbroek" <tom.rozenbroek at comcast.net>
>> To: "Calvert Amateur Radio Association - K3CAL" <k3cal at mailman.qth.net>
>> Cc: "Thomas Rozenbroek" <tom.rozenbroek at comcast.net>
>> Sent: Wednesday, June 1, 2016 2:18:23 PM
>> Subject: Re: [K3CAL] Experimenting with 9600-baud APRS
>> 
>> A 1200 baud packet network seems like a good first step.
>> 
>> I have a MFJ-1270 with a Kenwood TM-231 that I could put on the air as a test setup/temporary digipeater. I would want to use my own call sign, but would leave the digipeater open for any ham to use. Also, I would hope that a more permanent plan would be developed shortly after this project was stated. 
>> 
>> 73s.
>> 
>> kb2bcg
>> -----
>> 
>> 
>> -------- Original message --------
>> From: Eric Christensen via K3CAL <k3cal at mailman.qth.net> 
>> Date: 05/31/2016 19:52 (GMT-05:00) 
>> To: k3cal at mailman.qth.net 
>> Cc: Eric Christensen <eric at christensenplace.us> 
>> Subject: Re: [K3CAL] Experimenting with 9600-baud APRS 
>> 
>> On 05/31/2016 12:03 PM, N3AE wrote:
>> > Actually, I'd just like to have some Calvert ops get together on 1200 AX-25 packet for a net, either unprotected mode or multi-connect before we start playing with 9600.   Seems we spend too much energy aiming for a moon shot before we even have the ability to get into orbit.
>> 
>> Well, we've had that capability for a while with the APRS digipeater up.
>> I wish it had more local use...
>> 
>> --Eric
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