Corona 2.4Ghz DIY strange rang behavior

If you've been building electronic bits or modifying stuff you've bought then tell us all about it here. A good place to discuss the installation of 2.4GHz DIY modules too.

Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Wed Oct 26, 2011 12:16 pm

Dear Members

i updated my Futaba EX4 transmitter with the Corona 2.4Ghz DIY Module & RX (DSSS), everything seems good but i noticed 2 strange things:

1- the range is not more than 400m and the manual says more than 1500m

2- when i direct the plane to specific direction it either get out of range or get bad latency.

I fly in a very open area in the desert.

why i have range problem? :(

Thank you
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby ergocentric » Wed Oct 26, 2011 3:15 pm

for maximum range try to get the antennas parallel to each other and perpendicular to the line from TX to RX

check for aliens

I got about 800m with corona v.1 with power lines and wifi nearby
unconcerned but not indifferent - MAN RAY
User avatar
ergocentric
 
Posts: 350
Joined: Sat Jun 05, 2010 9:45 pm
Location: small town, Ontario, Canada

Re: Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Thu Oct 27, 2011 3:09 am

thanx m8,
i was wondering if there is a factory defect or i did something wrong while installing it, cuz i remember bruce review in youtube about finding something wrong with the corona but what is it exactly?
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby ergocentric » Thu Oct 27, 2011 1:33 pm

seedo wrote:thanx m8,
i was wondering if there is a factory defect or i did something wrong while installing it, cuz i remember bruce review in youtube about finding something wrong with the corona but what is it exactly?


If you are flying alone (away from all other transmitters) it should be fine, slow booting, I think was one of the faults.

corona has three incompatible systems, DSSS v.1, DSSS v.2, FHSS
I looked it up, FHSS (the latest) had issues http://www.rcmodelreviews.com/coronafhssissues.shtml
DSSS v.2 http://www.rcmodelreviews.com/corona_dsssv2.shtml
DSSS hack module (v.1?) http://www.youtube.com/watch?v=HRQ0vAHxYDA
unconcerned but not indifferent - MAN RAY
User avatar
ergocentric
 
Posts: 350
Joined: Sat Jun 05, 2010 9:45 pm
Location: small town, Ontario, Canada

Re: Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Thu Oct 27, 2011 1:55 pm

Thanx u really nice

well i fly completely alone at 6:00 am :) and i fly in a very open area

and i have the DSSS V.1 and i checked the youtube video but i really didn't understand what is the exact problem, can u help me some more please?
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Fri Oct 28, 2011 6:14 am

well i opened the antenna table and i solder some more for the wire, i got 100m more so in total now i have 400, but still i didn't get the 1.5km that corona promised :(, i also fix the receiver antenna wires so they point up and i don't have latency anymore, but still wonder y only 400m i have!?
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby cheshireflyer » Fri Oct 28, 2011 10:46 am

seedo wrote:Dear Members

i updated my Futaba EX4 transmitter with the Corona 2.4Ghz DIY Module & RX (DSSS), everything seems good but i noticed 2 strange things:

1- the range is not more than 400m and the manual says more than 1500m

2- when i direct the plane to specific direction it either get out of range or get bad latency.

I fly in a very open area in the desert.

why i have range problem? :(

Thank you


I had the same problem using Frsy DIY module in that TX.

Make sure that the antenna connector has enough thread showint to make a good connection to the antenna when you screw it on.
I filed the top of the TX so that more thread extended through and the problem was solved.
cheshireflyer
 
Posts: 6
Joined: Tue Sep 27, 2011 8:53 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Fri Oct 28, 2011 11:38 am

thanks man i will try this now
:)
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Sat Oct 29, 2011 3:53 am

ok man i tried you method and the problem seems to be the same, i cant get more than 400m :cry:
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am

Re: Corona 2.4Ghz DIY strange rang behavior

Postby seedo » Sat Nov 05, 2011 4:12 pm

Solved it!!!!!

it seems i did the soldering wrong so i re-solder the antenna on the board and now i have a juicy 1.5km :)
User avatar
seedo
 
Posts: 39
Joined: Wed Oct 26, 2011 11:16 am


Return to DIY Projects and Hacks

Who is online

Users browsing this forum: No registered users and 4 guests