[Fourlanders] Fourlanders Digest, Vol 233, Issue 8

Tue Sep 27 05:58:46 EDT 2022

Thanks Jeff,

I was fully aware of the exact heatsinks. W6PQL has very good documentation on his site.

Since I am having to be quite spendy for the total project, Bob, W4ZST, and I a scrounging from his pile for heat sinks and cases. Anything salvage we use will be larger than any of the ‘PQL recommendations. For this trip, I will make sure to be careful and I will have the advantage of natural cooling as winter arrives.

Meanwhile, I see some other plates starting to wobble that I need to spin back up…

Cheers,

Brian

NX9O

From: Jeff Townsend <jt at Jjt.us> 
Sent: Monday, September 26, 2022 9:26 PM
To: rfacres at gmail.com
Cc: S.D. Kosmetatos <kosmetatos at gmail.com>; Bill Pence <pence.bill at gmail.com>; Fourlanders <fourlanders at contesting.com>
Subject: Re: [Fourlanders] Fourlanders Digest, Vol 233, Issue 8

The heatsinks that W6PQL uses are from Heatsinks USA. 

The one in the KB7Q PDF looks like one of those.

Just choose how long you want it.

https://www.heatsinkusa.com/10-080/

Jeff Townsend

On Sep 26, 2022, at 8:58 PM, rfacres at gmail.com <mailto:rfacres at gmail.com>  wrote:

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:

<image003.png>

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

From: S.D. Kosmetatos <kosmetatos at gmail.com <mailto:kosmetatos at gmail.com> > 
Sent: Sunday, September 25, 2022 12:18 PM
To: Bill Pence <pence.bill at gmail.com <mailto:pence.bill at gmail.com> >; Brian McCarthy <rfacres at gmail.com <mailto:rfacres at gmail.com> >
Cc: Fourlanders <fourlanders at contesting.com <mailto:fourlanders at contesting.com> >
Subject: Re: [Fourlanders] Fourlanders Digest, Vol 233, Issue 8

Brian,

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. 

Kos

770-380-0501

  _____  

From: Fourlanders <fourlanders-bounces+kosmetatos=gmail.com at contesting.com <mailto:fourlanders-bounces+kosmetatos=gmail.com at contesting.com> > on behalf of Bill Pence <pence.bill at gmail.com <mailto:pence.bill at gmail.com> >
Sent: Saturday, September 24, 2022 6:25 PM
To: Brian McCarthy <rfacres at gmail.com <mailto:rfacres at gmail.com> >
Cc: Fourlanders <fourlanders at contesting.com <mailto:fourlanders at contesting.com> >
Subject: Re: [Fourlanders] Fourlanders Digest, Vol 233, Issue 8 

Of course.

On Sat, Sep 24, 2022, 6:12 PM Brian McCarthy <rfacres at gmail.com <mailto:rfacres at gmail.com> > wrote:

Oops.

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. 

Any other suggestions?

Bill, depending on what the shortages are, would you be able to help reprogram for substitutions?

Thanks all!

Brian

NX9O 

  _____  

From: Fourlanders <fourlanders-bounces+rfacres=gmail.com at contesting.com <mailto:gmail.com at contesting.com> > on behalf of Bryan W3CP <w3cp at w3cp.info <mailto:w3cp at w3cp.info> >
Sent: Saturday, September 24, 2022 1:14:10 PM
Cc: Fourlanders <fourlanders at contesting.com <mailto:fourlanders at contesting.com> >
Subject: Re: [Fourlanders] Fourlanders Digest, Vol 233, Issue 8

Hi Brian, 

Check out Griduino, it was custom designed for this purpose:

https://griduino.com/

73,
Bryan

On Sat, Sep 24, 2022, 1:20 PM Jerry Long <jlongtexas at comcast.net <mailto:jlongtexas at comcast.net> > wrote:

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

> On Sep 24, 2022, at 12:00 PM, fourlanders-request at contesting.com <mailto:fourlanders-request at contesting.com>  wrote:
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> Today's Topics:
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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 at gmail.com <mailto:rfacres at gmail.com> >
> To: Fourlanders <fourlanders at contesting.com <mailto:fourlanders at contesting.com> >
> Subject: [Fourlanders] Grid Display for Driving
> Message-ID:
>    <BN6PR06MB32991B7E4182B33EE6691B57F4509 at BN6PR06MB3299.namprd06.prod.outlook.com <mailto:BN6PR06MB32991B7E4182B33EE6691B57F4509 at BN6PR06MB3299.namprd06.prod.outlook.com> >
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> Content-Type: text/plain; charset="windows-1252"
> 
> 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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> End of Fourlanders Digest, Vol 233, Issue 8
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