[MVMA] Is there only one non-shared channel on 2.4 GHz?

[William Curtice]

Chuck,

You are correct; you have 10 MHz, centered on 2397.  You can use it 10
wide, or 5 wide, but cannot do two side by side 5 wide channels, without
overlapping Check +1.

See pix.

Bill


William Curtice
937-287-0871
Please reply to: william.curtice at ieee.org

On Sun, Jan 20, 2019, 12:52 PM Chuck Gelm <nc8q-mesh at gelm.net wrote:

> Reference:
>
> https://www.arednmesh.org/sites/all/themes/danland/images/slideshows/IMG_2.3_Channels.v5.jpg
>
> [image: channels]
> "AREDN offers 2 non-shared channels on 2.4 GHz"
>
>  I have seen this mentioned in several places, that AREDN offers 2
> non-shared channels on 2.4 GHz.
> I see one non-shared channel and one half shared channel:
> (View below in fixed-width font)
>
> Legend: Channel at bandwidth
>
>   |________________Amateur_Radio_Allocation___________________|
> ++..|...-2...-1....0....1....2....3....4....5....6....7....8...++
>  2392 2397 2402 2407 2412 2417 2422 2427 2432 2437 2442 2447 2452 MHz
>     | -2 @ 10 |______ 1 @ 20 _____|    |_____  6 @ 20 MHz _|
>
>       |-2 at 5*|-1 at 5| *
>               *|______ 1 @ 20 _____|*
>
>
> It seems to me that the top half of channel '-1' is shared with the lower
> half of channel '1'.
>
> I see 1 non-shared channel on 2.4 GHz @ either 5 or 10 MHz bandwidth.
>
> Chuck
>
>
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