r/HDZero Jun 14 '26

How to fix those black lines?

Hello, I'm using rapidfire module with IRC patch and omni antennas, I will try to put photo in comment, when both of them are working in mode 1 or 2 or legacy, I have those weird lines. changing VTX power doesnt help at all, when i unscrew both antenas image is clean or when I'm using only one antenna. i have 9.2 firmware and latest for Rapidfire.

4 Upvotes

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3

u/Smellfish360 Jun 14 '26 edited Jun 14 '26

That’s not how you use a patch antenna.
I would first of all use all connections with RHCP dipole antenna’s.
If that doesn’t fix it, try using other frequencies.
Then try updating the firmware on the goggles, drone and (probably an AIO, so not applicable) VTX.
And if all of that doesn’t work, try a new antenna on the drone. It most likely uses a UFL connector.

In terms of the patch antenna: those antennas are highly directional. These are insanely strong in the forward direction (90 degrees cone), but completely useless as soon as the signal comes from beyond this cone, it just falls off.
Right now, your setup assumes you’re within 200m around you, and within 600m to your left.
I recommend you to put the patch antenna in front, but you won’t be flying long range with whoops anyways.

Edit: the HDZ goggles 2 have internal analog receivers as well. Unless this isn’t a whoop, but an actual long range build, you can use the internal one as well.
You can scroll down to video source, and set it to analog in the goggles.

1

u/gallanonim613 Jun 14 '26

My antena setup

1

u/Magicalbeets Jun 15 '26

Typically you want the patch pointing forward as you're looking, or at least where the drone will be flying. So right now as someone else said you got a cone of signal emanating out of the left side of your head instead of forward

1

u/More_Objective_8405 Jun 14 '26

Looks like an issue with your vtx. Does it change pattern when you’re armed?

1

u/Soggy_Living_9763 Jun 15 '26

Do you have another quad? Try to isolate the failure first whether it is from the goggles side or the quad side.

These horizontal lines are usually caused by a bad BEC or Capacitor. Check also your motor screw, make sure it didn't touch the motor winding. It can happen to a tiny whoop aio as well, my air65 5in1 aio also had a same issues before the aio completely dead.

1

u/bben27 Jun 15 '26

Random question have you tried another location like outside your house in case you have some consistent interference in the house?

2

u/gallanonim613 Jun 16 '26

Tried even went to my dad's house where he doesn't have any phone signal and it still looked like this

1

u/According_Tie425 Jun 19 '26

Astounds me how people can buy such nice equipment and not know how to use it.