This issue has been SOLVED. Leaving posted for learning purposes of others. Essentially there ended up being a few problems. (1) I was using a Fatshark 600mW transmitter with a Boscam diversity receiver (works okay, but higher chances of interference due to frequencies being off by about 1 MHz). (2) The DJI radio causes significant interference, so placing a foil cover over the base of the antenna cleans up the signal significantly. (3) The Fatshark Omni antennas are also fairly low quality which only contributed further to the issue; ended up changing to VAS Bluebeam Ultras.
Original Problem: Horizontal bands of interference, total loss of signal at short range.
Equipment being used:
- DJI Phantom 2 + H3-3D
- HERO3+ Black, Wi-Fi OFF
- Mini iOSD
- Immersion 600mW TX on Channels 1 and 2
- Boscam RX-LCD5802 diversity receiver
- Fatshark Omni TX/RX antennas
- Fatshark Patch RX antenna
