bit suprised how rapidly my rssi reading dropped off

[Dizzy]

Hi Peeps i have had my taranis tx set up so that flicking a switch it tells me how my signal strength is doing i was out with my fun cub yesterday and flew it out as far as i dare los and was suprised to find the signal strength down to 43% I have no idea of distance i was other than a guess maybe 500yds plane was tiny by the way but at a reasonable height.

I did expect a better performance form the frsky tbh,  i tried altering the angle of the antenna etc but made no difference  just thought i would share ( next time i am out that way i will stick a camera on the plane to give me an idea how far i was away)
I know for a fact my dx8 as givin me out of sight range so just suprised and thought i would share  :+

dizzy :)

[Coyote]

I`ve been out to 1.8km with the Skyfun without any RSSI Low warning at all, but then had terrible range with the Solius, it was more than likely fixable with an improved installation but I put in UHF anyway so I`ll never know.

What I did do with the Skyfun though was fit the extended antennas to it instead of those PCB ones

[stevec]

Did it get better turning one way or another or was it just low at that range in general?  It the orientation you were flying in was there anything between your tx and the rx wire?  Battery, motor, servos? Could be shadowing which is unlikely as frsky has 2 antennas...
Tim (iflyOS)  on the crash cast podcast had a glider at 3000ft directly overhead and was well out of the low rssi warning he did the same with it out a similar distance low down and got the same result.
Might be worth looking at the antennas and where they connect to the rx I think they use tiny little bnc style connectors.  It may also be worth doing a range check in whatever they call the mode...

/Steve

Sent from my GT-I9505 using Tapatalk

[CurryKitten]

I've got a little dr-4 ii thingy in my k quad, I had failsafes at 200-300m, and I used a switch to read it out as well.  It was falling 10% every time I checked. I had a quick look and one the antenna ends looks a bit bent at the base so I'm going to try an antenna swap and recheck.

Might just have a dud, I took my dr-8 ii+ to 3.5km on Saturday with a stock Taranis (although it did suddenly announce at that point it had lost telemetry - which was a worry, but control was ok)

[Dizzy]

Did it get better turning one way or another or was it just low at that range in general?  It the orientation you were flying in was there anything between your tx and the rx wire?  Battery, motor, servos? Could be shadowing which is unlikely as frsky has 2 antennas...
Tim (iflyOS)  on the crash cast podcast had a glider at 3000ft directly overhead and was well out of the low rssi warning he did the same with it out a similar distance low down and got the same result.
Might be worth looking at the antennas and where they connect to the rx I think they use tiny little bnc style connectors.  It may also be worth doing a range check in whatever they call the mode...

/Steve

Sent from my GT-I9505 using Tapatalk

Hi Steve  yep thanks for the input i need to take a closer look at my rx antenna i think, i tried all the normal things twisting turning etc antenna angle etc it stayed the same  :+

dizzy :)

[dp106]

I read somewhere that the values will drop a lot to begin with but as you go further the distance between one value and the next will be much greater.  Strangely I've gone over a kilometer with no warnings in one direction then had it chirp that it was low at under 600 meters at the same launch site but in a different location?!

How do you know the signal was down to 43% I've only managed to get mine to say the RSSI values and apparently 38 is the point that you have a long walk to find your plane..  :o

[dogzilla]

Also worth noting that in my experience RSSI readings tend not scale linearly with distance so it's really a bit of learned practise to know at what point your link is going to drop off and how your RSSI figure reduces with range and at what point failsafe will kick in.

[Dizzy]

I read somewhere that the values will drop a lot to begin with but as you go further the distance between one value and the next will be much greater.  Strangely I've gone over a kilometer with no warnings in one direction then had it chirp that it was low at under 600 meters at the same launch site but in a different location?!

How do you know the signal was down to 43% I've only managed to get mine to say the RSSI values and apparently 38 is the point that you have a long walk to find your plane..  :o

i have mine set up so that the switch (sf) if flicked on gives me a direct reading by voice :)
if 38 is the trip distance i,m pleased i didnt venture further lol

dizzy :D

[_tj_]

I read somewhere that the values will drop a lot to begin with but as you go further the distance between one value and the next will be much greater.  Strangely I've gone over a kilometer with no warnings in one direction then had it chirp that it was low at under 600 meters at the same launch site but in a different location?!

How do you know the signal was down to 43% I've only managed to get mine to say the RSSI values and apparently 38 is the point that you have a long walk to find your plane..  :o

I have the same with my DX8

Fly 1.5km one way.
Come back and go the other way failsafes at 700-800m