Hello Direwolf users,

?

I understand Direwolf can act as an RX\TX igate.? If it were paired with a client such as APRSIS/32, what happens if both apps are setup to operate as igates??

?

Is there a method/reason to consider one igate better than another?

?

Thanks

?

?

Craig T. Bailey

A.R.S. N1SFT

Hudson, NH

(603)867-3607

?

?

Hello Direwolf users,

?

I understand Direwolf can act as an RX\TX igate.? If it were paired with a client such as APRSIS/32, what happens if both apps are setup to operate as igates??

?

Is there a method/reason to consider one igate better than another?

?

Thanks

?

?

Craig T. Bailey

A.R.S. N1SFT

Hudson, NH

(603)867-3607

?

?

Thanks Lynn!? ?? I figured my inquiry would receive the ubiquitous response… “ask at the other forum…”? ?

?

Very good to know about the dedupes.? I think I’ll pick one to serve as igate, though.? No sense in making more work.

?

Craig

N1SFT

?

From: [email protected] <[email protected]> On Behalf Of Lynn Deffenbaugh
Sent: Sunday, November 06, 2022 20:16
To: [email protected]
Subject: Re: [direwolf] question on duplicity

?

While that is a redundant setup, nothing bad will happen.?? The APRS-IS servers de-dupe all gated packets anyway, so you do not need to specify any one as being "better" than the other.??

?

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

?

?

?

On 11/6/2022 7:16 PM, Craig T. Bailey, N1SFT wrote:

Hello Direwolf users,

?

I understand Direwolf can act as an RX\TX igate.? If it were paired with a client such as APRSIS/32, what happens if both apps are setup to operate as igates??

?

Is there a method/reason to consider one igate better than another?

?

Thanks

?

?

Craig T. Bailey

A.R.S. N1SFT

Hudson, NH

(603)867-3607

?

?

The APRS-IS will be fine (it's pretty bullet proof), but my experience is that there could be some subtle problems, specifically with messaging.? You can send a message, but who can see it and who receives the reply?? It might have been a quirk with how I set things up (this was with YAAC on a Raspberry Pi), but after noticing the issue I ran through the combinations of source and sink (RF, IS, various SSIDs, etc) until my head began to hurt.? Most worked, but some did not.? Since there is overlap, what roles should Direwolf play, and what for the attached client (YAAC in this case)?? I never got to the bottom of it.?

The Pi is the one in my car, rarely used on APRS since my mobile rig has only one VFO and it's usually parked on the local repeater.? So, not a high priority to fix, but I'd love to know how one should implement something like this, particularly the question of roles.? I was trying to make a communicate-with-everything box, both iGate and as a Digi, moving map display of local stations, messaging, etc.? I presume it still works as it did, but it's been a couple of years.

Greg? KO6TH

Craig T. Bailey, N1SFT wrote:

Thanks Lynn!? ?? I figured my inquiry would receive the ubiquitous response… “ask at the other forum…”? ?

?

Very good to know about the dedupes.? I think I’ll pick one to serve as igate, though.? No sense in making more work.

?

Craig

N1SFT

?

From: [email protected] <[email protected]> On Behalf Of Lynn Deffenbaugh
Sent: Sunday, November 06, 2022 20:16
To: [email protected]
Subject: Re: [direwolf] question on duplicity

?

While that is a redundant setup, nothing bad will happen.?? The APRS-IS servers de-dupe all gated packets anyway, so you do not need to specify any one as being "better" than the other.??

?

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

?

?

?

On 11/6/2022 7:16 PM, Craig T. Bailey, N1SFT wrote:

Hello Direwolf users,

?

I understand Direwolf can act as an RX\TX igate.? If it were paired with a client such as APRSIS/32, what happens if both apps are setup to operate as igates??

?

Is there a method/reason to consider one igate better than another?

?

Thanks

?

?

Craig T. Bailey

A.R.S. N1SFT

Hudson, NH

(603)867-3607

?

?

On Nov 6, 2022, at 22:46, Lynn Deffenbaugh <kj4erj@...> wrote:

?

My personal choice/recommendation would be that if your "TNC" can handle the IGating and/or digipeating, then let it handle it.?? That way if you close your client (or shut down the PC on which the client runs), and the TNC is still "alive", then your station will continue to operate as expected.

Greg is correct with respect to gating messages from the APRS-IS to local RF.?? You really only want one of your "stations" to be doing that.? Otherwise every one would be transmitted twice on RF, once by each IGate.?? Not good.

And remember, the APRS-IS does not contain any intelligent routing or IGate "selection" process.?? Every IGate that has recently forwarded a packet from a station, will receive messages addressed to that station for some period of time (default 30 minutes).?? Read that carefully, EVERY IGate that hears the station gets addressed messages from the APRS-IS.?? It is up to the individual IGates to decide what to do with them.

And a little known "feature" of the APRS-IS is that if station Y sends a message addressed to station X which was heard by IGate A, then the next position report from Y will also be sent ot IGate A for forwarding onto the RF if desired.?? This allows X to know see Y's position, even if it is 1/2 way around the planet.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 11/6/2022 9:55 PM, Greg D wrote:

The APRS-IS will be fine (it's pretty bullet proof), but my experience is that there could be some subtle problems, specifically with messaging.? You can send a message, but who can see it and who receives the reply?? It might have been a quirk with how I set things up (this was with YAAC on a Raspberry Pi), but after noticing the issue I ran through the combinations of source and sink (RF, IS, various SSIDs, etc) until my head began to hurt.? Most worked, but some did not.? Since there is overlap, what roles should Direwolf play, and what for the attached client (YAAC in this case)?? I never got to the bottom of it.?

The Pi is the one in my car, rarely used on APRS since my mobile rig has only one VFO and it's usually parked on the local repeater.? So, not a high priority to fix, but I'd love to know how one should implement something like this, particularly the question of roles.? I was trying to make a communicate-with-everything box, both iGate and as a Digi, moving map display of local stations, messaging, etc.? I presume it still works as it did, but it's been a couple of years.

Greg? KO6TH

Craig T. Bailey, N1SFT wrote:

Thanks Lynn!? ?? I figured my inquiry would receive the ubiquitous response… “ask at the other forum…”? ?

?

Very good to know about the dedupes.? I think I’ll pick one to serve as igate, though.? No sense in making more work.

?

Craig

N1SFT

?

From: [email protected] <[email protected]> On Behalf Of Lynn Deffenbaugh
Sent: Sunday, November 06, 2022 20:16
To: [email protected]
Subject: Re: [direwolf] question on duplicity

?

While that is a redundant setup, nothing bad will happen.?? The APRS-IS servers de-dupe all gated packets anyway, so you do not need to specify any one as being "better" than the other.??

?

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

?

?

?

On 11/6/2022 7:16 PM, Craig T. Bailey, N1SFT wrote:

Hello Direwolf users,

?

I understand Direwolf can act as an RX\TX igate.? If it were paired with a client such as APRSIS/32, what happens if both apps are setup to operate as igates??

?

Is there a method/reason to consider one igate better than another?

?

Thanks

?

?

Craig T. Bailey

A.R.S. N1SFT

Hudson, NH

(603)867-3607

?

?