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Howdy folks! I have a TinyTrak4 with display and keyboard running 0.72, GPS5, and a home-brew splitter cable another ham gave me years ago. I'm trying (for the first time) to use the splitter cable and I'm having mixed results and I'm hoping someone can give me some tips. *The TT4 and GPS5 work GREAT. Love 'em. A+! See my tracks from yesterday as W0ULF-12 *If I unplug the GPS5 and plug my PC into the TT4, I can see all the decoded APRS packets. That's exactly what I want: the ability to connect the laptop up and use an APRS program like APRSIS32 or Pinpoint and send and receive packets! *When I insert the home-brew splitter cable between the TT4 and my PC, and plug the GPS5 into the third leg of the splitter cable, all I get on the PC is the stream of GPS packets from the GPS5. I stop seeing the serial data from the TT4. I WANT to get the traffic from both the TT4 and the GPS5 on my PC AND have the ability to send/receive APRS data from the PC and GPS over the radio. I'm assuming that either my cable isn't wired right (I haven't found a wiring diagram to check it against, nor have I found one for sale) or I have my ABAUD/AMODE BBAUD/BMODE settings wrong. I would love the following, if possible: *Suggested config settings for the TT4 to make this work *Wiring diagram for the splitter cable so I can see if that was made correctly or not *Anything else you think might be helpful or humourous. ? Thanks again for your time, and have a great day! -Vaughn Phillips W0ULF Lebanon, Oregon

I am attempting to setup a portable Fill-in Digipeater. I am using a 12v battery, TT4, and Radio Shack HTX-252 connected using the Byonics cable, R4C. Pretty basic setup. The problem I am running into, is unless the signal is really, really strong, the TT4 isnt decoding it, or even seeing the carrier (no lights). I have two other aprs stations at my location to compare, and would expect simlar results. (mobilinkd / FTM-3100) & (direwolf / IC-7100). I have adjusted RXAMP to almost every setting and used MONITOR while adjusting volume, forcing other APRS stations to trasmit, and just getting poor results. I have also run a "RESTORE", and reconfigured the system, messed around with CDMODE and CDLEVEL. I have plugged external speakers into the audio port of the radio to verify it is working and I can hear signals. Turned squetch on, turned it off, added ferrite cores to the audio cables. Yes, I have an anetnna plugged in, even gets 1.1 SWR. As another test, that I didn't spend much time on, was to plug the audio cable into my IC-51 handheld, to make sure it wasn't a radio issue, as this HTX is an ebay find. I have attached my export config. (Dropped BANK1 config as it was just a copied and reduced the size of the post.) Yes, it is a bit simple right now as it is just focused on receiving signal before I start configuing everything else on it. I also included a receive log below. My station comes through, but is close to 30 feet away running 5W. The other station is a few miles away, but have no idea on setup or power output. Being just north of the Seattle area, this area sees a lot more traffic as I am able to see on my other stations. Any insight into what I may not have tried or what I may be doing wrong, would be helpful. Side note, I am running verison 0.72 BANK 0 P300 FALSE TXTDISP FALSE NODISP FALSE PPATHING FALSE DMSDISP FALSE MICETMV FALSE ENTS FALSE TELHIRES FALSE TELVOLT TRUE TELTEMP TRUE PREEMPT FALSE DIGIID TRUE WXPOS TRUE TELREAD TRUE FRAWDISP FALSE HRAWDISP FALSE WYPTXT FALSE PKTICOM TRUE PKTOCOM FALSE RPATHDISP FALSE LEDS TRUE PAVPEN FALSE DEC96 FALSE DDIST FALSE HEADERLN FALSE DMETRIC FALSE SOFTRST TRUE MSGCMD FALSE MSGCAP FALSE LRNTPS FALSE GPSCHK FALSE INTCLK FALSE DECSTAT TRUE DIGIMY FALSE TOSV FALSE TALT TRUE TSPEED TRUE TIMESTAMP TRUE TIMEHMS TRUE SBEN FALSE TSWPT TRUE AMODE TEXT BMODE GPS ABAUD 19200 BBAUD 4800 BNKMODE 0 SSIDROUTE 0 ALTNET APTT4 MYCALL W0PGK-1 PATH1 WIDE1-1 PATH2 % PATH3 % TSTAT /Fill-in Portable Digipeater BTEXT >/Fill-in Portable Digipeater ^V ^T BPERIOD 0 TXD 40 MTXD 10 PERSIST 65 SLOTTIME 15 QUIET 10 TRNKMODE 0 CDMODE TONES CDLEVEL 20 TXLEVEL 128 TXTWIST 50 RXAMP 13 GWAYLEN 9 GWAYMODE NMEA GRELAYBITS 1 GRELAYRATE 0 GKRELAY 0 LOCATION 1234.2800N 12345.6174W GALT 1000 TSYMCODE # TSYMTABLE 1 STATUSRATE 1 PPERIOD 0 MPPERIOD 0 SBSSPEED 5 SBFSPEED 60 SBSPERIOD 1800 SBFPERIOD 90 SBTANGLE 27 SBTSLOPE 255 SBTTIME 5 MMSG 0 TSOFFSET 17 TDAO 0 TPROTOCOL APRS TPSWITCH 0 TPERIOD 0 TVOLTTWK 128 TTEMPTWK 128 WPERIOD 0 ALIAS1 WIDE1 ALIAS2 % ALIAS3 % DUPETIME 30 FILTERCALL % TXFREQ 144.390 RXFREQ 144.390 RXSQUELCH 0 Recieve Log: Press ESC 3 times to enter TT4 Options Menu W0PGK>APDW16:!4755.28N/12205.45W-PHG2130Digi/iGate - IC7100 RPi Direwolf LVL:67 TXD:45 KJ7NVA>TWTYZZ:'2]Bl -/]= LVL:72 TXD:18 W0PGK>APDW16:!4755.28N/12205.45W-PHG2130Digi/iGate - IC7100 RPi Direwolf LVL:64 TXD:45 W0PGK>APDW16,WIDE1-1:!4755.28N/12205.45W-PHG2130Digi/iGate - IC7100 RPi Direwolf LVL:35 TXD:45 KJ7NVA>TWTYZZ,WIDE1-1,WIDE2-1:'2]Bl -/]= LVL:62 TXD:18 W0PGK>APDW16:!4755.28N/12205.45W-PHG2130Digi/iGate - IC7100 RPi Direwolf LVL:63 TXD:46

THIS IS A SILLY QUESTION BUT WHAT CHARTER DO I PUT IN THE TSYMC TO TRANSMIT A RED CAR ICON THANK YOU ROBERT FITZPATRICK KB5SQG Sent from Mail for Windows

Greetings, I just found this .io page as I look at constructing a digipeater or igate at my QTH. My question is, it appears I’ll need a TinkTrak4 and the M4 cable pack - anything else? Any advice for an APRS noob would be greatly appreciated. Matt K1MBK

I set up my old RTG-30 (bought in 2012) on my boat, and it's working fine. However, I need to change the settings to change the SSID and symbol from car to boat. When I initially tried to do this I downloaded the latest TT3 software and connected my old Byonics null-modem serial cable. After gighting with the prolific driver issue I got the COM port to work at least. However, Every time I hit Read Data it couldn't find the RTG-30. I figured maybe the problem is my USB-to-serial that I plugged the null-modem into and ordered the Byonics TT USB cable, which arrived yesterday. Question: Should this work now, or might there be an issue with the latest TT3 software talking to a 2012 RTG-30? If so, does anyone know where I can download an older version of the software? I'm trying to be prepared for all contingencies for when I'm going down to the marina later. Thanks much! Nico W3NCL

Anyone have any experience with this unit? I want to add some text in the "comment" section but can't seem to find it in the config program provided by Byonics. David, K6DWL

Hi, I have upgraded a Tiny Trak4 v7 board to version 0.72 firmware from 0.6. After configuring it I now have no PTT action at the radio. The red led comes on on the TT4 but it doesn't trigger the PTT on the Radio. Note that this was working okay prior to the upgrade and nothing has changed in terms of the radio connection. Is there a new setting in version 0.72 for the PTT that i have missed ?

Hello, I saw the note about giving my call sign so here it is: KD9AER I have been asked to resurrect our clubs Micro-Trak 8000 FA for an HAB launch so will be asking for links to programming software downloads and pinout diagrams for the required cables. 73, Steve Grob KD9AER

Anyone else javing this problem? David, K6DWL _

I have a number of Byonics GPSs and 3 that have failed. The failed units are Byonics GPS (1 Original), Byonics GPS2 and Byonics GPS5. They have all failed in a similar way and when connected to a TT3: - The LED comes on; but - No data is received by the TT3 (IE Green LED does not flash). My questions are: - Is it likely that the failure could be temperature related? Unit is inside car where temperature could exceed 60C. - Is repair possible/economical?

How do you convert DD.MM.SS to DDMM.mmmmH lat. DDD.MM.SS to DDDMM.mmmmH Thanks much

I am using a TT4. I would like to have the battery voltage and temperature displayed graphically. I am able to get the true values to display in the comment section & raw data pagaes on aprs.fi, but can't get it graphed correctly. These are my TT4 settings: ABAUD is 19200 ALIAS1 is WIDE1 ALIAS2 is ALIAS3 is ALTNET is APTT4 AMODE is TEXT BANK is 0 BBAUD is 000 BMODE is GPS BNKMODE is 0 BPERIOD is 0 BTEXT is >/TinyTrak Alpha CDLEVEL is 20 CDMODE is INVERTED_PIN2 DDIST is FALSE DEC96 is FALSE DECSTAT is FALSE DIGIID is FALSE DIGIMY is FALSE DMETRIC is FALSE DMSDISP is FALSE DUPETIME is 30 ENTS is FALSE FILTERCALL is IS FRAWDISP is FALSE GALT is 80 GKRELAY is 0 GPSCHK is FALSE GRELAYBITS is 1 GRELAYRATE is 0 GWAYLEN is 9 GWAYMODE is NMEA HEADERLN is FALSE HRAWDISP is FALSE INTCLK is FALSE LEDS is TRUE LOCATION is 3516.8600N 09001.2000W LRNTPS is FALSE MICETMV is FALSE MMSG is 0 MPPERIOD is 0 MSGCAP is FALSE MSGCMD is FALSE MTXD is 10 MYCALL is KN4USN-2 NODISP is FALSE P300 is FALSE PATH1 is WIDE1-1 PATH2 is WIDE2-2 PATH3 is PAVPEN is FALSE PERSIST is 65 PKTICOM is FALSE PKTOCOM is FALSE PPATHING is FALSE PPERIOD is 1800 PREEMPT is FALSE QUIET is 10 RPATHDISP is FALSE RXAMP is 12 RXFREQ is 144.390 RXSQUELCH is 0 SBEN is FALSE SBFPERIOD is 90 SBFSPEED is 60 SBSPERIOD is 1800 SBSSPEED is 5 SBTANGLE is 27 SBTSLOPE is 0 SBTTIME is 0 SLOTTIME is 15 SOFTRST is TRUE SSIDROUTE is 0 STATUSRATE is 1 TALT is TRUE TDAO is 0 TELHIRES is TRUE TELREAD is FALSE TELTEMP is TRUE TELVOLT is TRUE TIMEHMS is TRUE TIMESTAMP is TRUE TOSV is FALSE TPERIOD is 900 TPROTOCOL is MIC-E TPSWITCH is 0 TRNKMODE is 0 TSOFFSET is 17 TSPEED is TRUE TSTAT is /TinyTrak Alpha Bat+^V Temp+^T TSWPT is TRUE TSYMCODE is # TSYMTABLE is / TTEMPTWK is 113 TVOLTTWK is 255 TXD is 40 TXFREQ is 144.390 TXLEVEL is 126 TXTDISP is FALSE TXTWIST is 50 WPERIOD is 0 WXPOS is FALSE WYPTXT is FALSE Thanks Neal Aguillard KNRUSN-2

Wanted TinyTrak 4 in good condition. -- 73, Don W4GCW

gotta ask, anyone see it was possibly an APRS balloon. Recently in the news. kelly

Greetings. In prep for a foot race, I got the TT AIO out, and verified operation at my house. I checked the altitude data it was sending out and it was all over the place, considering that the TT was sitting motionless in my window (inside my house, exposed to the south, vinyl siding). There was no pattern to the random altitudes being transmitted. The position was steady, the altitudes varied about 200 feet if I recall correctly. Anyone else experience this? If so is the SOP or is there something that can be done to resolve the unstable altitude? thanks -marc in MI K8MH

Hi folks, Helping a local ham club (W1BST) troubleshoot their weather station (Peet Brothers Ultimeter 100) hooked to the Byonics MTT4BT. We noticed erratic operation, but programmability is fine. Upon further inspection we found a burned diode. It's labeled D6 on the silk screen, and according to the schematic in the manual (very hard to read/low resolution), I think it feeds the 12 V regulator U6, which I can't find, unless it's under the microassembly near U5, which is labeled. The PCB diagram in the manual is no help, no reference designators and it appears to be the wrong board, or an earlier version. Anyway, if I'm reading the manual schematic correctly, I believe D6 and D7 are there to protect from reverse polarity being applied to the inputs, not sure what else. The failure mode? The unit worked well for over a year. The club recently rewired the shack and was chasing ground loops in the station. At some point in the process we noticed that the MTT4BT only powered up when the unit was grounded through the antenna, whatever that means! Then we noticed the burned diode. Now my questions: 1. Is there a service contact for these boards? What are the arrangements, costs etc? 2. I see the Byonics web site says they are out of stock on these boards. Is there a similar replacement? 3. Where does one procure SMT diodes? And what would I specify? What is the part number? Are they available from Byonics? In any case, please confirm that this is a reverse protection diode and could be jumpered out. Also, a good schematic would be helpful. Thanks all. I've really enjoyed getting to know APRS and this application and look forward to a solution. Ralph Simons KC1RWK

I recently put my TT4 in the car and added bluetooth to the unit. Works well, for the most part. The problem I am having is that when the engine is on, my packet decode rate plummets to almost nothing. If the engine is off, there is no issues. I assume that this is an RFI issue. When I listen to the radio with the engine on, I cannot hear any noticeable RFI over the speaker but I assume that this issue would not be detectable audibly like this. Suggestions on where to look? I added ferrites to all the TT4 cables to no avail. Thanks! Noah KE5VQL