[amsat-bb] D-Star Interference to XW-2A Downlink

Paul Stoetzer n8hm at arrl.net
Thu Nov 7 16:27:53 UTC 2019


This is not a repeater station, it's more like a packet node, and is
appropriately located within the bandplan as an experimental activity.

73,

Paul, N8HM

On Thu, Nov 7, 2019 at 11:24 AM jim--- via AMSAT-BB <amsat-bb at amsat.org> wrote:
>
> Forget about the ARRL bandplan, it's the FCC rules that matter.
>
> Code of Federal Regulations Title 47 Part 97.205b:
> "A repeater may receive and re-transmit only on the 10m and shorter
>  wavelength frequency bands except the 28.0–29.5 MHz, 50.0–51.0 MHz,
>  144.0–144.5 MHz, 145.5–146.0 MHz, 222.00–222.15 MHz, 431.0–433.0 Mhz
>  and 435.0–438.0 Mhz segments. "
>
> So, 145.670 is flat out illegal for a repeater input or output.
>
> Jim Walls
> K6CCC
>
>
> -----Original Message-----
> From: "Hasan al-Basri via AMSAT-BB" <amsat-bb at amsat.org>
> Sent: Thursday, November 7, 2019 07:57
> To: "AMSAT-BB" <amsat-bb at amsat.org>
> Subject: [amsat-bb] D-Star Interference to XW-2A Downlink
>
> There is a repeater on 145.670 (D-Star) in the Dallas area
> https://w5fc.org/tag/fsq/
>
> It makes using XW-2A nearly impossible as it is right in the passband.
>
> Who in the world thought it was a good idea to put a D-STAR repeater
> (simplex) in the middle of a satellite downlink passband?
>
> Does this comply with any existing ARRL Band Plan, on other words is this a
> shared resource with D-Star?  If so, I guess it's just tough luck and live
> with it. If not, perhaps someone from AMSAT can have a word with the
> Trustee?
>
> 73, N0AN
>
> Hasan
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>
> _______________________________________________
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> to all interested persons worldwide without requiring membership. Opinions expressed
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