KiwiSDR Online Radio Frequency Direction Finding

3 роки тому

Is there a station that you really want to discover where they are transmitting from? kiwisdr.com/ has a solution. By using multiple online SDR receivers in tandom you can triangulate the position of radios stations almost anywhere in the world without having to use any equipment. Broadcast stations, number stations, even other hams.
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КОМЕНТАРІ: 62

@GhostRider1974 3 роки тому

Just ran across Kiwi SDR... using it like an SDR alongside a non-sdr transceiver makes it fun. You can even record your QSOs from the receiver you have selected. This is a fantastic tool. Thanks for the video Josh! 73

@nickbarnes9966 3 роки тому

I'd love to be able to have conversations with you about this topic. Finding someone who knows anything about direction finding using TDoA at the unclassified level is pretty awesome. You obviously know a lot if you're doing direction finding. Good video!

@kb9mtd-aaronwebb 3 роки тому

Good info! Another weapon in the arsenal when out to find stations! Thanks!

@SteveTheDocBenfield 2 роки тому

Hey, I just stumbled upon this while looking for something else :) I use Kiwi SDR with Catsync to my 7300. and never even seen it till now. Awesome thanks man as I only just got my Lic here in Australia. 73s VK5DOC

@davidsradioroom9678 3 роки тому

Wow! This is entirely new to me. I an going to have to try it. Thanks so much for sharing this! ♥

@driverfilmsshortwavechannel 3 роки тому

Nice explanation of using the direction finding feature!

@IndependentNewsMedia 3 роки тому

Hi Josh Great video, nice explanation of DF. Chud M1PUP QTH London

@michaelcotellessa6509 10 місяців тому

keep more KiwiSDR videos coming on how to listen to different station's through the country both PC and phone Keep up the good work

@mrobserver474 3 роки тому

ABSOLUTELY BRILLIANT use this site all the time but never knew about this feature THANK YOU 😷👍

@arikjohnson412 3 роки тому

Loving catching up on these shorter vids - discovered HRCC via Mike Glover (or vice versa possibly) in the past few months and planning to test for my Tech license soon.

@HamRadioCrashCourse 3 роки тому

Thanks for watching!

@SwampFoxOutdoors 3 роки тому

very very cool. Would love a video on hunting down the jammers on winlink

@chazrw2chz290 3 роки тому

Excellent video Josh.

@TLSO 2 роки тому

Fantastic, thanks. Also good for those wanting to listen to Short Wave

@humaxf1 3 роки тому

Impressive. Tried in with a longwave transmitter in Ireland on 252khz. Located it 10Km west of the transmitter location. Not bad going considering the receivers available to triangulate with.

@HamRadioCrashCourse 3 роки тому

It’s pretty cool stuff.

@sealteam6383 3 роки тому

I just described to you gentle just now I like everything you got to say bout radios you very knowledgeable and very educated in radios I got a few questions for you but I wanna send him a new email thank you very much God speed in God-bless

@1958johndeere620 3 роки тому

The deviation could be any thing that frigs with the time. Its all about exact to the millisecond difference to the comparing receivers. GPS works to 3 feet, but its time stamp is all controlled and its line of site rf ( from satellites ). Pretty cool system, really neat.

@HamRadioCrashCourse 3 роки тому

Indeed very cool application of this technology.

@radioyankee 3 роки тому

love kiwi sdr.. i just subbed. thanks from k2yk

@TheDukie54 3 роки тому

Thanks for your great video's. I am learning a lot from you. I have a question, I hope you may have some insight on. What is a good solar charger for a Baofeng UV5R, with extended battery? I'm building a radio network for a group of people up in the mountains. Thank you again.

@nofxslc 3 роки тому

Great video! I never knew this existed. Neat little tool.

@bobgerzoff5072 3 роки тому

Lots of fun just to listen around the kiwisdr's. Probably could use a video on that.

@NA12495 2 роки тому

Watched your video about using DF to verify a station was jamming other Cuban stations. Which I had saved the link to the website that you used. Today I was studying for my Calc class. Tuned on the radio to take a brake. First thing I heard was a station making comments that people from a particular ethnic group needed to die. Then there was playing of Taps. This had to have been done intentionally. Wish people like that were located and reported to the FCC.

@billgrant6175 3 роки тому

Hey Josh, finally watched this video. Awesome tool and capability. You know of any similar system to do 2m and 70cm?

@craigscherer563 3 роки тому

WWV transmitter is located north of Fort Collins (nearer to Wellington Colorado

@MatthiasLenardt 3 роки тому

This is really incredibly! ... oh yes, I'll want to be part of this community ... it's time to get my kiwisdr ;-)

@stewartrv 3 роки тому

Very cool indeed, I don't think it works on VHF or UHF sadly as that would be cool to catch the phallus heads messing with repeaters...

@bruceblosser384 Рік тому

thank you!!! :)

@MrMeasureTwice 3 роки тому

What a great system! Looks like it is all HF band, right? Would be cool if there was some VHF coverage - mostly to locate a repeater since some repeater locations are not shared openly. Just a thought...

@Mach7RadioIntercepts 3 роки тому

Yes VHF TDOA is pretty slick. Aircraft trackers seem to do well with this technique, using "MLAT" to describe this geolocation method.

@EveryUserName 3 роки тому

Oh that is cool!

@ciscoscorner7147 3 роки тому

Are there other methods to triangulate the location of the many different aspects of communications in real time, to include digital comms and RF?

@M0PQA 3 роки тому

"Your favorite jammer on the 80m net that you listen to". Nice pun. Awesome video

@Mach7RadioIntercepts 3 роки тому

One or two of those SDRs may have been in the skip zone of WWV, receiving only backscatter from several directions. Results are quite good if you use receivers getting the signal on one hop.

@jorgezuni2818 2 роки тому

How can someone from; A Different country find stations to; Los Angeles,ca . Is there a configuration to acces GPS .

@richardsternal3026 3 роки тому

where is the satellite view on kiwi tdoa map, or are you using world map or something

@RosssRoyce Рік тому

I don’t understand, if I choose one person’s SDR and move the tuner, do I move the tuner in his home? If we are two users moving his tuner frequency in two different ways simultaneously, would we create a conflict for the software? Thanks for this vid!!

@HamRadioCrashCourse Рік тому

Nope they’re independent.

@scottpyles1 3 роки тому

Consider that it found the antenna- not the building per se

@glevideo 3 роки тому

How long of a sample does it need? Many times jammers make short transmissions.

@HamRadioCrashCourse 3 роки тому

About a minute. Try it out.

@kyrenegade858 3 роки тому

But the antenna and transmitter could be remote from the office location.... so maybe it is correct...

@RJ_McKenzie 3 роки тому

I came to comment this.

@M0RMY 3 роки тому

Hi mate. On Callum’s channel we are getting confirmation within a mile or less on signals. It is a very interesting tool and great fun. 👍

@AG7SM 3 роки тому

could it be that you are getting bounces off of the mountains there, and that's confusing the position? Since they can't spin a beam around they are likely using the signal delay between the stations, and reflections could really mess with that. But I'm just speculating.

@HamRadioCrashCourse 3 роки тому

Sure. I mentioned that on the video. 👍

@AG7SM 3 роки тому

@@HamRadioCrashCourse Look at that. I'm that guy.

@HamRadioCrashCourse 3 роки тому

No worries. You’re likely right!

@markjensen9453 Рік тому

the map covers 80% of the list of stations, and I can't get it out from behind the map

@paulwatterson5992 3 роки тому

I have a Baeofang but do not have my license yet. Are there frequencies on this radio that I can use without a license?

@HamRadioCrashCourse 3 роки тому

Not really. Using the baofeng on the ham frequencies without a license is illegal. Using a baofeng on frs and gmrs frequencies is illegal since it’s not type accepted. See my video on transmitting on frs and gmrs for more Information.

@applejacks971 3 роки тому

You can monitor/listen without being licensed, but you can't transmit or talk.

@TheButterZone 3 роки тому

/broke face smiling

@HabemusQuattro 3 роки тому

Seven threes? Oh boy.

@HamRadioCrashCourse 3 роки тому

Hey! You’re the winner! I was wondering who would be the first to complain about that. 🤣

@HabemusQuattro 3 роки тому

@@HamRadioCrashCourse LOL. Just waiting for the OMs to start up!

@driverfilmsshortwavechannel 3 роки тому

I thought it was Seventy Trees?

@waltermclean6212 3 роки тому

Why why can't you pick a green one? Now at the same time I ask this question I don't know what the hell you doing anyways.

@IraQNid 3 роки тому

Cool idea that is easily defeated with repeaters that are fed broadcasts via cellular, satellite, or wired data from like a high speed Internet Service Provider. Considering the amount of money that goes into this hobby it is entirely plausible for folks to stream the pranks to remote locations so that if someone were to try to sniff out their location they'd be spinning their wheels.

@HamRadioCrashCourse 3 роки тому

No, not really. Just df the repeater Input frequency.