[chirp_users] Setting offset between Tx & Rx

Robert Withers (KO4PYS)
Mon Jun 28 07:25:05 PDT 2021


Super! Thank you for the explanation. I will look into this.

I think that I am right in saying a positive offset results in a Tx Frequency above the Rx frequency.

---
73,
Robert (KO4PYS)

On 6/28/21 9:50 AM, Jim Unroe wrote:

> On Mon, Jun 28, 2021 at 9:11 AM Robert Withers (KO4PYS) via
> chirp_users
> [<chirp_users at intrepid.danplanet.com>](mailto:chirp_users at intrepid.danplanet.com)
> wrote:
>
>> In Chirp, how could I set a Rx frequency of 444.525 and a Tx frequency of 449.525?
>>
>> Kindly,
>> Robert
>> . .. ... ‘...^,^
>
> It depends on the radio being programmed. If the radio supports
> "split" you can directly enter the TX frequency by setting the Duplex
> field to "split" and enter the direct TX frequency in the Offset
> field.
>
> Frequency: 444.525000
> Duplex: split
> Offset: 449.525
>
> Then by doing anything the refreshes the spreadsheet style memory
> editor (clicking on the [Refresh] button for example), CHIRP will
> update the settings to the following.
>
> Frequency: 444.525000
> Duplex: +
> Offset: 5.000000
>
> You obviously could have just entered the second method directly
> (after calculating the "offset" and determining the "shift direction".
>
> See section 6.3 "CHIRP Programming Examples" on the miklor.com
> website's CHIRP pages.
> https://www.miklor.com/COM/UV_CHIRP.php#guides
> JIm KC9HI
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