Description is here, idea is not mine.
Here is the cheapest way to build SWR meter. Unbelievable, but it works
Satfinder from ebay:

Some modification:

Adapter from ebay as PCB (btw, op amp used from satfinder)

Measurement head:

Battery is added - again from ebay

Ugly content is closed

Have a fun!
It really works!

Good for 950-2150MHz only.

thats 90% of the flyers(900-2ghz). 5.8 is catching on but most 5.8 are for close range and really you dont need SWR meter for a 300 meter quad flight on 5.8

2.4 sucks imo, ive had a few friends buy all 2.4 gear and they went back down to 1.3 or 900

To bad. 950 is to high for the USA. Mine is at 910

Originally Posted by Pixturethis

To bad. 950 is to high for the USA. Mine is at 910

i did 1040 fine, nothing uses 1040. the "band" is "reserved" for general aviation but i pick up NOTHING on 1040 even next to international airports

910 is swamped with cell phone calls and stuff. it's worse than flying 2.4 over a wifi filled neighborhood

Originally Posted by fpv raptor

thats 90% of the flyers(900-2ghz). 5.8 is catching on but most 5.8 are for close range and really you dont need SWR meter for a 300 meter quad flight on 5.8

2.4 sucks imo, ive had a few friends buy all 2.4 gear and they went back down to 1.3 or 900

15km, and was possible especially due to a good tuning.

I don't thing that is true about 910. I fly with my AT&T iphone next to me & have sprint & verision fliers with me when i fly all the time. As I've gone 39 miles (63km) with almost perfect video. I only get a little static past 30 miles, but it's hard to see.
Marc

well im in orlando florida, does wichita have 3,000,000 people in a 13 mile radius? i fly 6 miles from the center of that circle , and that is very close to both an international airport and two executive airports

Density 2,327.3/sq mi (898.6/km2)

your density looks the same but you have 1/4 the metro population

True, where I fly there is about one house every other mile. I only fly over a city, very small city at 4000ft &12 miles out. So I guess it all depends on where you live as to if 900 is good or not.

Originally Posted by RENATOA

Good for 950-2150MHz only.

Guys, don't look at satfinder label - I am using only a satfinder case and millivoltmeter. This device will be working with 2.4 GHz also, and tested with 868 mhz. Take a look at original description please!

The circuit on this page serves as a Voltage Standing Wave Ratio meter or VSWR meter for the VHF-UHF-SHF frequency range. This includes the Wifi (802.11b/g), 2m, 70cm and 13cm Radio Amateur bands.

If you are not happy with this label, you can tear off it

Awesome, thanks for the info.

ok now that's 98% of the flyers. for every 30-50 people i see FPV, only one uses 5.8ghz

very good thanks for this