Antennas

VTX Antenna Repair – Check under the sticker!

August 24, 2015 by admin

cloverleaf-12954538 My favorite VTX antenna is the Aomway 4-leaf cloverleaf (sometimes referred to as a skew planar, but “cloverleaf” actually comes from it’s radiation pattern resembling a four leaf cloverleaf!)

They are cheap, work well, and are the most rugged out of the cheapies.… Read more...

Another Taranis Antenna Modification

July 7, 2015 by admin

This modification was inspired by an article on BoltRC’s blog about replacing the Taranis’ in-built antenna with an SMA jack, which then allows connecting different, higher gain, antennas.

With the BoltRC mod, I didn’t like the idea of hot melt glue holding the SMA connector in place, and the method documented below has the SMA jack rigidly mounted through the radio’s shell.… Read more...

Antennas Multirotors Video

Circular Wireless 2.4 GHz Helical Return Loss Sweep

April 27, 2015 by admin

In this video we take a look at performing a return loss sweep on a ‘Heliaxial24’ 2.4 GHz 6½ turn helix antenna from Circular Wireless.

Construction is first class, along with it’s first class 75 Euro price tag, but the results are rather disappointing.… Read more...

Antennas Multirotors Video

IBCrazy 2.4 GHz Bluebeam Antenna Return Loss Sweep

February 18, 2015 by admin

This video takes a look at performing a return loss sweep on a set of IBCrazy 2.4 GHz Bluebeam Ultra antenna set.

Sweeping is performed using a PC Driven Windfreak SynthNV.

The Windfreak SynthNV is a 34.4MHz to 4.4GHz software tunable RF signal generator controlled and powered by a PC running Windows XP, Windows 7, or Android via its USB port.