For remote receivers, is there any work being done on using RTL SDR rtl_fm multiple-instances on one dongle, as multiple app_rpt IP connected receivers?
I ask, because it seems that a remote (RX only) site can host as many receivers as I can shoe-horn in the box, and as many as I can add solar-panels to feed.
It also seems, that I may as well host neighboring areas' remote receivers, and they host mine - for even larger coverage.
It just seems a stack of ten GM300s in there is the hard way, and it's a lot of current draw too.
RTL-SDR have no front-end rejection. While I like to use them for many things, They
make terrible choice in repeater work.
If your RPTR TX'r is in the same band, watch it totally de-sense that RTL-SDR.
What good would it be.
Better off with a tyt/boafeng HT etc. And that's not giving those any credit.
You can set-up as many rx's on the server as it has the power to do cpu/memory wise
and you have the network bandwidth to support.
You do need some scheme to vote/select the most valid one (to the core site) if it
is different PL etc.
FYI There are RTCM /voter systems for app_rpt if you want to do it right.
Since there is a left and right definable audio channel, I had always thought you
could double-up on the dongles but never tried it.
...mike/kb8jnm
ยทยทยท
Greetings!
For remote receivers, is there any work being done on using RTL SDR
rtl_fm multiple-instances on one dongle, as multiple app_rpt IP
connected receivers?
I ask, because it seems that a remote (RX only) site can host as many
receivers as I can shoe-horn in the box, and as many as I can add
solar-panels to feed.
It also seems, that I may as well host neighboring areas' remote
receivers, and they host mine - for even larger coverage.
It just seems a stack of ten GM300s in there is the hard way, and it's a
lot of current draw too.
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