1.3 GHz FPV trashed 2.4gHz reception

[David1953]

I am wondering if I can do anything else to improve my 2.4 Tx reception since adding a 1.3 RMRC vTx?
I used this http://www.readymaderc.com/store/index.php?main_page=product_info&cPath=11_66_71&products_id=3397 and this http://www.readymaderc.com/store/index.php?main_page=product_info&cPath=11_45_52&products_id=484 My reception on the monitor is ok, but the distance I can fly before losing Tx reception has gone from hundreds of yards (I never ran out of Tx) to about 100 yds LOS. I did find out that my FS works today!
I have the Tx on the back of a 450 and the vTx on the front as far apart as possible
I really don't want to invest more money into a Dragon Link system if I can help it. Would anyone have a suggestion as to what else I might try? David

 

[eskil23]

1) Mount the vTx and Rx antennas as far away from eachother as possible.
2) Not always physically possible, but adding a high-pass filter to the Rx would help filter out interference.
3) Try changing vTx channel.

 

[David1953]

I've done one and two on your list. I'll try #3 below is a photo of the set up. David

 

[pavalige]

Here is a warning from someone who snapped a QAV400 in half trying to use 1.3ghz video and 2.4 ghz control , DON'T it will end in tears

 

[cootertwo]

Bruce on RC Model Reviews, just did a video on his white board, explaining the resonance frequencies thing, pretty interesting.

 

[eskil23]

4) Also try to mount your vTx and Rx antennas with different orientation. If your vTx antenna is vertical mount your Rx antenna horizontal or vice verse.

 

[David1953]

I gave up using radio 2.4 Tx with 1.3 FPV as 120 meters was about all the distance I could get along with a constant "telemetry is low" or "telemetry is critical" voice from my radio. Set up and filters were properly configured.
I bought a Dragonlink kit and can now fly my 450 the way I thought I would from the beginning. David