Date
1 - 10 of 10
aprs is 32, tiny trak 4 w/ bluetooth/ GPS antenna connected
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Rick/ KM4KQQ
awesome, thanks
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Rob Giuliano
I used an external TTL to Bluetooth serial module with my TT4, so I forgot about the Byonics Bluetooth adapter. The Bluetooth adapter "IS" the splitter. In that case, I think you have a few settings backward. So, PORTA is Bluetooth and should be KISS, at 19200. The GPS is connected to pins 2, 3, 4, and 5 of the DE9 connector of the Bluetooth adapter, but that is PORTB of the TT4.
From the TT4BT Manual: Overview The Byonics TinyTrak4 Bluetooth adapter (TT4BT) is a plug and play interface to allow a TinyTrak4 to be used with a wireless Bluetooth device, such as a computer or smartphone. It connects the primary TinyTrak4 PORTA (pins 2 & 3) to the onboard Bluetooth module, and connects the secondary TinyTrak4 PORTB (pins 7 & 8) to a second DB-9 connector, and moves the connection to pins 2 & 3, similar to the TinyTrak4 Serial Splitter. This allows the use of a GPS on PORTB, with a computer wirelessly connected on PORTA. Robert Giuliano |
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Rick/ KM4KQQ
intention is that under normal situations, bank 0 is used when moving around in the truck. during an event, which we use aprs for tracking and messaging to and from the command center which is using aprsisce, the computer is connected using the bluetooth, bank 1, so that info of my location and the others with the !shriek! will be on screen in the aprsisce app. lynn knows me since i'm with OCARES and he has helped us with bike events :) ponytail, tall, rov 2. If what i read from Rob correctly is that all i'd need to change for the 1 bank is MYCALL, the 1shriek! and the TSYMCODE, which greatly simpifies things (using the settings he provided). i could just leave the truck in normal status and run as switch for the BANK switching via JP1.
As an aside, later on, there will be another radio, TT4, bluetooth, no gps ant, and the smaller computer in the gobox when onsite at a shelter during emergency deployments for use with winlink. the gps ant is from byonics, and connected to the TT4 (passing through the bluetooth module) and powering the ant. i have the ability to directly connect the gps to the computer, but not sure if the info from the TT4 via bluetooth will be enough to populate the aprsisce app, nor if they will conflict with each other since 2 gps data streams will be in play. ALL the info here is GREATLY appreciated. |
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Rob Giuliano
Rick, As Lynn states, as they are now you will NEVER see GPS data in APRSIS32. Also, when the TT4 is connected to the computer, neither the TT4 nor APRSIS32 will see GPS data - no reason to have a GPS connected at this point. From your settings, it appears you
are only using PORTB. With BANK 0: PORTB connects to the GPS @ 4800
baud, and with BANK 1: PORTB connects to APRSIS32 @19200 baud. 1) GPS uses 4800 baud 2) GPS is self powered (since you are using PortB which does not supply 5V). The TT4 is designed so that the GPS connects to PORTA (with 5V on pin 4 to power it - if needed. 3) BNKMODE 1 (this allows JP1 to switch settings) If you are using the TT4 Serial Splitter, then you connections should be:
* GPS connects to PORTA (4800 ?) and the COMPUTER connects to PORTB (19200) when connected * if connected, GPS data will always be sent to PORTB, even if there is no computer attached When GPS Enabled is checked, you will see GPS data in APRSIS32 (TT4 port must have NMEA/GPS checked) * if NO GPS is connected, but a computer is (on PORTB), APRSIS32 will work properly When GPS Enabled is checked, you will see "empty" GPS data in APRSIS32 (of course because no GPS) * The only real change seen with the bank switch is the CALLSIGN NOTE: Since the TT4 can still TX in addition to APRSIS32, the 2 devices should have different callsigns. Although you can find TT4 help here, the issues you are describing are TT4 related. I am EXTREMELY confident that with the proper TT4 settings, APRSIS32 will function as you like. You may want to post in the TinyTrak groups.io area for quicker and more thorough responses. It would be helpful to give more details on your TT4 and GPS configuration in either area that you post: 1. Are you are using the TT4 Serial Splitter from here https://www.byonics.com/cables? 2. What model GPS are you running a) What baud? b) How is it powered? KB8RCO PS: I post a lot in both TinyTrak and APRSISCE forums_,_._,_ |
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Lynn Deffenbaugh
The GKRELAY setting won't matter if both of the ports are set to
GPS (bank 0) or both set to KISS (bank 1). What is your actual
intention for this configuration? Lynn (D) - KJ4ERJ - Author of APRSISCE
for Windows Mobile and Win32
On 8/14/2022 6:29 AM, Rick/ KM4KQQ
wrote:
OK, I think I got these right, all I need to do is throw the N/O switch on the TT4, (on JP1 to ground it) to change to KISS/Bank 1: |
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Rick/ KM4KQQ
OK, I think I got these right, all I need to do is throw the N/O switch on the TT4, (on JP1 to ground it) to change to KISS/Bank 1:
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Rob Giuliano
I did a couple checks, and the GRelayBits and GRelayRates are only for TEXT mode.
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Rob Giuliano
Yes, the TT4 can pass the GPS strings through to the attached computer. Since APRSIS32 is connected through KISS to the TT4, there are only a couple of settings: GKRELAY Any value > 0 enables it. Note this is the Port (or stream) the data is sent over. Port 0 is used by the TNC data GRELAYBITS Sets which sentences get passe:d 0=None, 1=RMC only, 2=GGA only, 3=BOTH GRELAYRATE Sets how often the GPS data is sent: 0=Never, 1=every sentence, 2=every other NOTE: Manual says 'TEXT port' (not TEXT MODE) for the last 2. I believe that refers to the Computer port (TEXT, DEAFTEXT, or KISS). It has been a long time since that discussion on the TinyTrak list. I haven't tested this in a long, long time. I couldn't find the post with that detail. I can try this later today when I am out with my TT4 setup. Robert Giuliano
On Saturday, August 13, 2022 at 07:11:44 AM EDT, Lynn Deffenbaugh <kj4erj@...> wrote:
IIRC, the TinyTrak4 has the ability to pass the NMEA GPS data through the KISS protocol (GKRELAY set to a value other than 0). That is what the "GPS/NMEA" checkbox is for on the RF port configuration dialog and supports NMEA data being extracted from the serial stream from the TNC. Once that is configured, the Enables / GPS Enabled menu option will be available. OR you can connect an NMEA GPS directly to the machine on which
APRSIS32 executes and configure it with Configure / Ports / NMEA
which will also make the Enables / GPS Enabled menu option
available. Lynn (D) - KJ4ERJ - Author of APRSISCE
for Windows Mobile and Win32
PS. Some TNC modes on Kenwood APRS
radios are also capable of passing NMEA data through to the
connected computer as well.
On 8/13/2022 2:43 AM, Rick/ KM4KQQ
wrote:
Is it OK to use the GPS ant connected to the TT4 to interface (via
bluetooth) with the APRSIS32 program or does the GPS antenna need
to be connected to the laptop? Under ENABLES, there is one for
GPS....is that for the GPS directly connected to the laptop? the
TT4 is connected to a kenwood TMV71 via the data port.
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Lynn Deffenbaugh
IIRC, the TinyTrak4 has the ability to pass the NMEA GPS data through the KISS protocol (GKRELAY set to a value other than 0). That is what the "GPS/NMEA" checkbox is for on the RF port configuration dialog and supports NMEA data being extracted from the serial stream from the TNC. Once that is configured, the Enables / GPS Enabled menu option will be available. OR you can connect an NMEA GPS directly to the machine on which
APRSIS32 executes and configure it with Configure / Ports / NMEA
which will also make the Enables / GPS Enabled menu option
available. Lynn (D) - KJ4ERJ - Author of APRSISCE
for Windows Mobile and Win32
PS. Some TNC modes on Kenwood APRS
radios are also capable of passing NMEA data through to the
connected computer as well.
On 8/13/2022 2:43 AM, Rick/ KM4KQQ
wrote:
Is it OK to use the GPS ant connected to the TT4 to interface (via bluetooth) with the APRSIS32 program or does the GPS antenna need to be connected to the laptop? Under ENABLES, there is one for GPS....is that for the GPS directly connected to the laptop? the TT4 is connected to a kenwood TMV71 via the data port. |
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Rick/ KM4KQQ
Is it OK to use the GPS ant connected to the TT4 to interface (via bluetooth) with the APRSIS32 program or does the GPS antenna need to be connected to the laptop? Under ENABLES, there is one for GPS....is that for the GPS directly connected to the laptop? the TT4 is connected to a kenwood TMV71 via the data port.
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