Hello Kos and the group,
Johnny, K7SYS, also offered me a TM-D710GA. Thank you both! At the moment, I am going to decline. I have had a TinyTrak 4 APRS TNC connected to an Alinco DR1200 2m mobile permanently mounted in the truck for many years. I just need to test the system. I also have spares for each piece. That will take care of my radio based APRS spotting. I also realized that the ‘D710’ solution would require me to learn yet another radio on short notice. Some of these things need to be kept simple.
With just ½ hour of spare time and parts he already had, Bill, KI4US, pulled an Arduino Grid Square sketch from the ‘net and put this together on his workbench:
I already have an Arduino Uno that was idle and the balance of parts were less than $25.00. I ordered parts today that should arrive on Wednesday. I expect to be able to duplicate my own copy of the above by this weekend.
In other news related to this rover project, I received a “600w” W6PQL 23cm amplifier pallet and related support circuitry. Bob and I will be replicating the example of KB7Q. He used the same RF pallet and made many contacts via 23cm EME and claimed to run 500w in ‘JT modes. Bob has identified some choices for heat sinks and cases. See this link for more details about KB7Q:
http://ntms.org/files/Aug2021/KB7Q_23cm_Magical_Mystery_Tour_GeneShea_KB7Q.pdf
THANK YOU ALL!
Brian
NX9O
I have a TM-D710GA that I am not using. I unpackaged and programmed it, but it was never installed anywhere. You’re welcome to use it for your trip if you like, or I’d consider selling it if you’re interested.
Let me know and I can get it to you.
I sent a blank reply from fat fingering my phone.
Double darn. D710’s seem to rare as hen’s teeth. The Griduino complete kit and nearly fully built are both out of stock. It seems the only Griduino parts available are the bare board and case. I’m visiting my son a college this weekend. I’ll run the parts list through DigiKey and others to see what the shortages look like after I get home.
Bill, depending on what the shortages are, would you be able to help reprogram for substitutions?
Hi Brian,
Check out Griduino, it was custom designed for this purpose:
Brian,
You may want to checkout the Kenwood D710ga. I had the earlier version and used it for 10 + years. Great aprs radio setup. On mine you could have the display give full gps data, but I do not recall if it was 4 or 6 digit grid reporting.
You could check the specs or manual from Kenwood for the actual specs.
Jerry
PS - I sold mine at Dayton earlier this year. Bummer, I would have loaned it to you.
Sent from my iPhone
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> 1. Grid Display for Driving (Brian McCarthy)
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> Message: 1
> Date: Sat, 24 Sep 2022 14:58:57 +0000
> From: Brian McCarthy <rfacres@gmail.com>
> To: Fourlanders <fourlanders@contesting.com>
> Subject: [Fourlanders] Grid Display for Driving
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> I?ll poll the collective here first?
>
> I am preparing for driving from Alpharetta, Georgia, to Corvallis, Oregon in mid/late November. The return would be early January. I am intending to do a bit of rover operations along the way. It will be a tryout for me. If I enjoy it, I will work towards doing more.
>
> I would like to have a display that shows me (at minimum) my current grid (6 characters preferred.) I know there are plenty of different apps that can show me my current grid square on my iPhone. I want this information while driving with a simple screen and large text. I won?t use one that requires phone manipulation while driving.
>
> Is there one of them that works with CarPlay?
>
> There are also plenty of computer programs that can show this information. I shouldn?t be playing with those while driving. Yes, I can use them when I?m stopped. I intend to have HF and 6m phone while driving. I want to have knowledge of my current grid to take advantage of 6m propagation enhancements. It would be even better to know how close the next grid is in the direction I?m traveling.
>
> Are there any 144/440 mobiles (maybe with APRS) that show the 6 character grid as an easy to read sticky display?
>
> Has anyone seen a product or DIY project that could become my driving rover grid display?
>
> Thanks all for reading this far!
>
> Let me know,
> Brian ?what?s my grid? NX9O
> Often Directionally Challenged
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