Cross Band Mesh (Or Mess) ???

[TomLine]

Cross Band Mesh (Or Mess) ???
Been wondering if it's possible to setup multiple operators in a community with cross-band repeaters to operate in a shared mesh configuration. I've made some drawings, but it looks like quite a mess. Anybody ever discuss this? "Doubling" looks like the big hurdle.

 

[nd5y]

What do you mean by a shared mesh? Somebody talks on one frequency and it comes out on other frequencies at different locations?

The only way you could do something like that using only common dual band radios in cross band repeat mode is for all the radios to be within range of eachother, they all need to use the same common linking frequency on one band, and all of them use different frequencies (or different tone access) on the other band.
There is no way to daisy-chain multiple radios of that type in a line and expect it to work.

Then you have to deal with the station identification requirements.

I have heard of people linking repeaters by each repeater having a simplex remote base on a common "intercom" link channel but again all the repeaters have to be relatively close to eachother so they can all hear eachother on the link channel.

 

[TomLine]

3 base stations, each setup to cross band 144 (no tone) and 440 (input tone required).
station A - 144.x(no tone) <-xband-> 440.x(input tone required)
station B - 144.x(no tone) <-xband-> 440.x(input tone required)
station C - 144.x(no tone) <-xband-> 440.x(input tone required)
It's a 3D brain bender. This is hypothetical so let's skip the id requirement lectures please.

 

[nd5y]

If they are all using the same two frequencies it won't work.

 

[TomLine]

If they are all using the same two frequencies it won't work.

Yep. Just a mess. Even requiring tone or code, the open reciever could pass signal from two sources at the same time. It was a good exercise though.

Side note: Looks like good practice to always require a tone or code on the 440 side of a 146/440 cross band radio.