[chirp_users] IMG file format

Wed Oct 6 12:34:21 PDT 2021

David,

               So do you know if there is a file format spec for the img files that CHIRP writes?

It would guess that even if the format differs between radio vendors/models, there would be similarities to the keys/values that could be interpreted.

Thanks,

Eric

From: chirp_users-bounces at intrepid.danplanet.com <chirp_users-bounces at intrepid.danplanet.com> On Behalf Of D.J.J. Ring, Jr.
Sent: Tuesday, October 5, 2021 11:37 PM
To: Discussion of CHIRP <chirp_users at intrepid.danplanet.com>
Subject: Re: [chirp_users] IMG file format

Agreed, a very worthy project, perhaps it can be posted as a development feature, especially if you would be willing to let others develop it with you, everyone might find it very useful in maintaining CHIRP and supporting the many transceivers it works with.

Best wishes and thanks again for your kind message.

73

DR

N1EA

On Tue, Oct 5, 2021 at 10:29 PM Eric <chirp at brunsen.com <mailto:chirp at brunsen.com> > wrote:

David,

Thanks.  Re-reading your message with this explanation makes perfect sense.  

I understand the ease of misunderstanding when it comes to email (and texting is even worse).

The reason for my wanting this tool, is that I have somehow become the “go to” person for programming other folks radios, 

and I like to keep a record of what changes were made, when and why.  

At this time, I track these things in a spreadsheet, and it works, but it would be much easier to automate the process rather than copy/paste.

Thanks again,

Eric

From: chirp_users-bounces at intrepid.danplanet.com <mailto:chirp_users-bounces at intrepid.danplanet.com>  <chirp_users-bounces at intrepid.danplanet.com <mailto:chirp_users-bounces at intrepid.danplanet.com> > On Behalf Of D.J.J. Ring, Jr.
Sent: Tuesday, October 5, 2021 3:01 PM
To: Discussion of CHIRP <chirp_users at intrepid.danplanet.com <mailto:chirp_users at intrepid.danplanet.com> >
Subject: Re: [chirp_users] IMG file format

I'm sorry it came off like that, it wasn't meant that way, I usually answer questions with a lot of understanding, probably I didn't do as well this time, for that and for any offense I inadvertently made I apologize.

No harshness was meant, if such came across, it was my regrettable choice of words.

If you spoke to me that wouldn't come across, written communications is lacking in nuance or at least good writers, and in this, I have failed this time.

To the original poster, I am sorry if my message seemed harsh, it was supposed to be a URGENT warning to not hurt your radio, not meant to hurt your feelings, or convey a lack of support from me or more importantly, this list. I think the urgency of my warning to protect your radio from harm got in the way of my otherwise better explanation and expression, again my apologies.

Best regards,

DR

N1EA

On Tue, Oct 5, 2021 at 3:44 PM Nicola Jayne Hodson <nicola.jayne.hodson at gmail.com <mailto:nicola.jayne.hodson at gmail.com> > wrote:

David 

 i think your response is somewhat harsh and condescending 

On Tue, 5 Oct 2021 at 20:12, D.J.J. Ring, Jr. <n1ea at arrl.net <mailto:n1ea at arrl.net> > wrote:

Eric,

The IMG files are like photographic snapshots of the radio's memory channels, they are unique to each version AND model of a manufacturer's transceiver.

CHIRP works with this unique file type which is why it is extremely important to upon the first time using CHIRP to download the IMG from your transceiver, save and safeguard it from loss. You can use this unique IMG file to restore your transceiver to factory settings which is especially important if user error causes your transceiver to be unresponsive, or "bricked".

Each model and make of transceiver has a unique IMG file.

Your question shows a lack of understanding of how CHIRP works, please read the documentation and follow the instructions!

Failure to do so may result in irreversible injury to your radio equipment.

If this happens, contact this list for possible restoration measures using someone else's IMG file.

Best wishes,

David N1EA 

On Tue, Oct 5, 2021, 14:54 Eric <chirp at brunsen.com <mailto:chirp at brunsen.com> > wrote:

Is there a spec available for the format of the IMG file that Chirp uses to same configuration values to?

Thanks,

Eric 

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