How to Make an Incredible DIY Directional Antenna for Almost Nothing
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a primer on Yagi-Uda antennas
en.wikipedia.org/wiki/Yagi%E2...
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⸺ chapters ⸺⸺⸺⸺⸺⸺⸺⸺
0:00 - billboard
0:19 - cold open
1:07 - what is a yagi-uda antenna?
3:54 - what does it take to build one yourself?
6:32 - build: long front piece of PVC
7:14 - build: short back piece of PVC
7:45 - build: handle piece of PVC
8:11 - build: director element of measuring tape
9:31 - build: reflector element of measuring tape
10:51 - build: driven element of measuring tape
11:38 - build: assembling the driven elements
13:15 - soldering the driven elements
15:02 - build: assembling the reflector and director elements
17:05 - build: securing the coax cable
17:57 - testing the antenna outside
21:11 - squarespace sponsor
22:56 - cta
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⸺ credits ⸺⸺⸺⸺⸺⸺⸺⸺
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Josh Nass - guest
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@ModernRogue 2 жыл бұрын
This week's giveaway is $10 in Scam Cash! Put it toward that puzzle box you've been saving up for, or use it on something from the Magic collection - it's up to you! We are giving away TEN digital codes good for $10 in Scam Cash this week's free giveaway at gimme.scamstuff.com (no purchase necessary, giveaway ends 8/19/2021). Congratulations to the winners of last week's Utili-Key giveaway: Tim Storozhev, Dimana Petkova, Andrew Jenkins, and Tiago Trinidad (we will contact you via email within the next two weeks).
@furonwarrior 2 жыл бұрын
Did you guys get your ham licenses yet or plan to? 😊
@richpayton7162 2 жыл бұрын
When introducing the advantages of a yagi to someone for the first time, they need to know that the more gain and directionality that is realized by adding elements, the narrower the range of frequencies it is effective over. And at frequencies not too far above that which it is optimal at, it useful response falls as if off a cliff. A very high gain yagi, with impressive performance at its design frequency won't always be the ultimate solution, depending on the overall requirements of the user.
@georgebulbakwa9017 2 жыл бұрын
Built one of those for a comms class. Our class was required to build an antenna. My group decided to cheap out. My instructor was so amused that a group would try to cheap out in his class that he made sure we nailed a very narrow frequency. It still was cheap but we ended up fine tuning the frequency with files and sandpaper to nail the length of the elements. Our cheap out made us the focus of our instructor and he was highly amused at our fine-tuning while not allowing us to add variable inductors or capacitors to make our lives easier. He just laughed while telling us, "those components will add more cost. You wanted cheap".
@ivocorte1580 2 жыл бұрын
Lol at least he was easy going. Tbh it was nice on his part, he made you stick to your guns and respect your original vision for the project; a great learning experience.
@robertfacella846 2 жыл бұрын
Those components will add experience, he arguably made your project the most valuable in the class.
@donkey-fart 2 жыл бұрын
Sounds like you had a great elmer!
@any1alive 6 ай бұрын
bro teaher was an ass, if i read that right, kif jsut grab a rock or drag it on concrete to 'sandit dopwn;' and say, how is that for cheap XD
@alphaadhito 6 ай бұрын
I made this but tuned to 137 MHz to download images from NOAA satellites!
@HamRadioCrashCourse 2 жыл бұрын
This came out AWESOME!!!!
@joshvanriet5445 2 жыл бұрын
It's a shame no one gave BB the dimensions for a 75m 4 ele Yagi...🤔
@kevin31466 2 жыл бұрын
Can this antenna be used on a HT like a yeasu ft4xr or do u need a better radio like the one in the video.
@HamRadioCrashCourse 2 жыл бұрын
@@kevin31466 yeah. It’ll work on any HT really.
@d34dR0d3n7 2 жыл бұрын
Would using glue instead of zip-ties for attachment change how the antennas work? You said that the bend doesn't matter much, but I can't help but guess it does to some degree when get into longer ranges.
@Greyapas 2 жыл бұрын
How many of those do you see on Field Day?
@allenthiele1804 2 жыл бұрын
Using a measuring tape to measure lengths of measuring tape. This is the kind of content that keeps me coming back.
@StreakyP 2 жыл бұрын
Cut the longest reflector first, then you can use that as a ruler to measure the shorter driven elements & director... that way you only need 1 tape.
@mzmegazone 2 жыл бұрын
@@StreakyP Or just do math and start from wherever the end is and end where the math tells you to. ;-)
@supertorqued72 Жыл бұрын
The iron wasn't lost me either. You'd think they could just use the cut measuring tape to measure the cuts... very entertaining. lol
@YankeeinSC1 10 ай бұрын
@@mzmegazone sacrilege
@Plasmastorm73_n5evv 27 күн бұрын
@@mzmegazone Yep, only need the tape to cut the elements this way.
@wittsullivan8130 2 жыл бұрын
Back in the 1920's, my grandfather was studying to be a radio operator. That was a challenge because there was no power grid until the TVA was founded almost 10 years later. I've got a few of his old books that tell you how to build everything from scratch. Antennas (that can double as clotheslines when you're off the air), home made lead acid batteries to power your equipment, and how to build the radios from a simple crystal set to a full fledged transmitter/receiver set.
@JH-xc4ur 2 жыл бұрын
I would love to be privy to all that info. I'm a from-scratch kind of guy.
@ProtoHadron Жыл бұрын
wow
@fvrrljr Жыл бұрын
name of book would be appreciated if not why mention them. ebay is selling a book called Vintage 1920 "The Storage Battery Simplified" Book - By American Auto Digest fro $10.50 i downloaded a PDF file called The Golden Book of Chemistry Experiments for free. the hard copr is available but i went for free pdf. you just have to search
@wittsullivan8130 Жыл бұрын
The Radio Manual For Radio Engineers, Inspectors, Students, Operators and Radio Fans by George E. Sterling 3rd printing D. Van Norstrand Company 1928 and Practical Radio Telegraphy by Arthur R. Nilson and J. L. Hornung McGraw-Hill First Edition, Second Impression 1928.
@fvrrljr Жыл бұрын
@@JH-xc4ur he posted the name
@benhuebscher8846 2 жыл бұрын
The radio episode we’ve all been waiting for
@scientificbrony 2 жыл бұрын
This guy was super interesting the first time around glad to see him again! Edit: Hope we'll get more! This and tea guy are insanely interesting
@JReed305 2 жыл бұрын
You should go to his channel Ham Radio Crash Course.
@Mussoi7000 2 жыл бұрын
maybe this is because i literally just finished watching twister but i think that an episode on tornadoes and natural disasters would be really cool
@jmr 2 жыл бұрын
What are you talking about? The shop when they are left alone? Sounds like a disaster to me. 🤣
@1224chrisng 2 жыл бұрын
you know, with Ham, you can also talk with astronauts on the SPAAAAACE station
@jmr 2 жыл бұрын
@@1224chrisng The real feat is catching them at the right time. Pretty difficult to find a good overhead pass that coincides with their breaks AND they happen to be on. Then fighting with everyone else trying to talk to them..... 😰 EDIT: Forgot to mention adjusting for doppler shift!
@1224chrisng 2 жыл бұрын
@@jmr I'd imagine that there's software for adjust to Doppler shifts, after inputting your time and location and knowing the orbit of the station
@jmr 2 жыл бұрын
@@1224chrisng Doppler shift isn't that complicated really. On a rig with a knob for tuning you just listen and adjust. On other radios you have to program several channels in advance then switch through them. You could use a program to do it but I haven't heard of anyone bothering. I'm sure someone wrote the software though. There are yagi antenna mounts that track satellites and the ISS.
@SnakeOilGhost 2 жыл бұрын
Protip: Don't use the PVC cutter to just brute force chomp through the pipe, close it on the pipe, then spin it/the pipe to score it deeper and deeper until it's easy to cut through.
@Queer_Nerd_For_Human_Justice 2 жыл бұрын
Good protip! Spinny is strong
@noraye2500 2 жыл бұрын
Huh, spinning; that's a good trick
@o15523 Жыл бұрын
I was going to mention this. Just a simple rocking back and forth motion makes the PVC cutter very easy to use.
@YankeeinSC1 10 ай бұрын
The "fools with tools" portion of this video, was hands down more self-emasculating than a visit to Target.
@tedmead465 7 ай бұрын
Need to use an actual pvc pipe cutter. The one used in the video is for pex pipe
@Brodysseus 2 жыл бұрын
Okay, I just finished binging the Macgyver reboot. I feel like there are more than a couple builds in that show that you could test.
@jmr 2 жыл бұрын
Not too many that would actually work though. I watched that show and complained the whole time.
@lokithecat7225 2 жыл бұрын
If they want to check out "Cool things" that can be built they should roadtrip to Hacksmith.
@mortalsongs 2 жыл бұрын
@@lokithecat7225 I need this Collab now!
@danelisslow3269 2 жыл бұрын
They published a book showing you how to do some of the stuff from the show. Go live your Macgyver dreams!
@skwaab 2 жыл бұрын
I can't put into words how much I love these Radio episodes. The SDR episode pushed me to get into it myself. Much love to the crew from UK
@gernotg8480 2 жыл бұрын
Hello skwaab. Can you please help me. Please.
@sorinv68 2 жыл бұрын
It’s avery rewarding hobby for those with curious minds and a tinkering knack. Once you’re in, there’s no going back! So many ways to explore the radio field, to hetter understand and exploit the realm of radio waves. From the earth to the moon, and back, literally! And way beyond into the universe, also!
@seanfaherty 10 ай бұрын
Same
@briand.reynolds474 2 жыл бұрын
"3/8 is just one medium-size one short of half-way." That feeling when they get super-technical but you still understand cuz you're super-smart.
@casperdewith 2 жыл бұрын
11:07 The end of a measuring tape is flimsy for a reason: when you use the tape as a hook, it compensates for its own thickness by extending the tape by about a millimetre - whereas when you push the tape against something, it collapses. It’s a deliberate design decision. However, just measuring from a later point may be easier in some cases.
@mzmegazone 2 жыл бұрын
Yes, glad someone pointed this out.
@lucas.tadeu021 2 жыл бұрын
This channel is so underrated... i appreciate for converting usd to BRL and looking how far the currency has gotten worse. But anyways greetings from brazil and you guys inspire me to do these things and as a telecom engineer student i hope someday i will recreate this and others projects
@Plasmastorm73_n5evv 27 күн бұрын
Underrated? They have 1.66M subscribers
@lucas.tadeu021 27 күн бұрын
@@Plasmastorm73_n5evv for today's standards is kinda underrated, especially if you look into the views
@bubbleheadft 2 жыл бұрын
It was the Modern Rogue that introduced me to HRCC. Now I'm a Ham General and a staunch member of the 1x crew. The circle is complete.
@HamRadioCrashCourse 2 жыл бұрын
That’s Awesome. Thanks for watching!!!
@ItsaMeLeah 2 жыл бұрын
1X Crew!!
@BluegrassFilmsKY 2 жыл бұрын
Welcome to the club WX4SAR
@Constable_HyDe 2 жыл бұрын
You know when Josh is on the episode you're in for a good time. Love the radio content
@dr.itanimulli7400 2 жыл бұрын
i assume the "for almost nothing" in the title is about cost but it came across as useless to me given the rogue reputation
@Plasmastorm73_n5evv 27 күн бұрын
Not useless at all. These were invented by a ham radio operator and have been built for many decades. There are bunches of hams who have built and used them on their channels. The cost is around $10 depending on the diameter of PVC you use.
@solidacid1337 2 жыл бұрын
YESSSS! I've SO been looking forward to this episode! I just got home from work and here it is! I LOVE you rogues!
@pyrokinetikrlz 2 жыл бұрын
It was mandatory for me to make 2 antennas at EE college. I made the glorious Yagi-Uda and a log-periodic. This episode was great!
@coolguylyn 2 жыл бұрын
It's good to see him again.
@HamRadioCrashCourse 2 жыл бұрын
Thanks!!
@Dusty_Ham 2 жыл бұрын
During that intro I was like "Woah, that looks like Josh coming into the light... Oh! It IS Josh!" Great video and excellent example of how a yagi is very directional!
@HamRadioCrashCourse 2 жыл бұрын
Thanks!
@sevkimartin 2 жыл бұрын
The episode I have been waiting for!
@benwilliams36 2 жыл бұрын
Love seeing radio stuff! Very cool.
@Pigeon__Man 2 жыл бұрын
WooHoo! I've been waiting for this! He didn't even turn it to make it vertical. Very cool the tape measure yagi is a fun project. Can't wait for one of their crew to get licensed
@rugby.7 2 жыл бұрын
I love that you guys are getting into ham radio!
@NIGHTOWL-jf9zt 2 жыл бұрын
I needed to build a Yagi for a project but didn't have all the stuff I needed such as an extra tape measure to butcher. What I did have laying around was about 2 dozen reflective snap wrist bands I was gifted. A little soldering them together, and good to go. Thanks for this upload. KC2FBH
@AndrewBahls 2 жыл бұрын
As an addendum to the note at 11:10, the reason the end of measuring tapes seem to have a loose end, it's to take into account the thickness of the clip. So if you are measuring from a wall, the click slides in, butting up against the wall. And if you're measuring something with the clip hanging off the end, the clip slides forward exactly the thickness of the clip, giving you an accurate measurement.
@user-ng2ly6nf1c 5 ай бұрын
Really good ideas for DIY antennas! Like it.
@robertfacella846 2 жыл бұрын
This is AMAZING! While the relative simplicity and effectiveness is the selling point for the Yagi-Uda, I'd love to see a parabolic design on a similar budget to compare and contrast the two.
@brandonfink7457 2 жыл бұрын
your videos are a breath of fresh air from the odd word we are in currently, and plus every once and a blue moon I might even learn a thing or two Scam Tastic!!
@mh_vegas 2 жыл бұрын
Whoa, cool! I got my Technician license just last month, great content! 👍
@MrKrimson 2 жыл бұрын
The tape measure has some movement leeway so it will always measure accurate when pushed against something (like the inside of a box) or when pulled around something (like from the edge of a desk)
@stephenwhite1607 2 жыл бұрын
That "leeway" is actually the tape having been deliberately made with slots instead of holes around the rivets to let the end slide exactly the thickness of the end on the tape.
@Plasmastorm73_n5evv 27 күн бұрын
@@stephenwhite1607 Some people just need to over explain anything they read...like you.
@jeremyt8307 4 ай бұрын
Just finished mine! It actually works
@drakeblackk 4 ай бұрын
Thats awesome! I want to try this measure tape method too, but im going to use a cheaper stick to make it, so no pvc here. Only thing i dont really know by these videos, how far away the tape lines supposed to be from each other. I mean, they cut the pvc, but they add those joiner pieces, so that makes it longer, idk if that plus/minus 2-3 centimeters matters, but i want to make it right, can you tell me how far they are for you? :)
@jeremyt8307 4 ай бұрын
@@drakeblackk going from the top (the opposite end of the handle) down it’s 14 inches. Then from the two in the middle to the bottom one its just about nine inches
@PAPO1990 2 жыл бұрын
Things I'd have done differently: 1) run the coax THROUGH the PVC, you wouldn't even need to drill a hole, use the hole already in the joiner. 2) put the zip tie OVER the solder joint to hold it in place better and prevent the solder joint form being strained if something pulls on the coax. Very cool video :)
@HamRadioCrashCourse 2 жыл бұрын
I did mention the coax going through the pvc in the video. It’s how I do it.
@PAPO1990 2 жыл бұрын
@@HamRadioCrashCourse yeah, I wrote most of the comment before you got to that, that's why I added you could even route it to the side hole, don't even have to drill for it ;) :P
@Sasasala386 2 жыл бұрын
what a great episode!
@dpr3659 2 жыл бұрын
I'm genuinely surprised and happy to find the INR conversion
@sirkrow7118 2 жыл бұрын
For anyone wondering what many uses this has, 1 use that I know of and have used before is dog hunting -the activity of hunting utilizing dogs to herd deer in a certain direction-.
@gryyphyn8639 2 жыл бұрын
@11:07 Tape measures also have differing scales when they're made that denote the percentage of error or error rate. If you look on the package when you buy a measure you'll find the error rate marked on the package. To make your life easier always buy tapes of the same error rate and, in general, from the same manufacturer. This will ensure that all of *your* tapes line up to each other relatively well.
@gothic_cat1552 2 жыл бұрын
I love this channel
@he8535 2 жыл бұрын
Hell yeah more radio stuff
@jctedsap Жыл бұрын
I have several of those antennas that I built in a class I lead on how to make them. I have used them for directing finding in the 2 meter Ham band and have seen another contact the ISS using one.
@krisraps 2 жыл бұрын
Well, I just Made It In Like 5 Minutes, Had To Just Take Off Some Elements From My Yagi And Wholla, Learned SOmething new Fro You Guys Today, Super Cool Video !!!
@35manning 2 жыл бұрын
NOOOOOOOOOO!!! Don't open zip tie bags at the ends, they will all fall out. Open then with a small slit in the middle of the bag, then grab one or two zip ties (as needed) through the slit and pull them out. They will flex and come out easily, but the rest will still be securely contained.
@diggy_the_first 2 жыл бұрын
thanks for the protip
@Packman332 2 жыл бұрын
Don't know why I've never considered this. A "life hack" that is actually useful. :) Thanks!
@bren42069 2 жыл бұрын
Huh. Thanks
@Queer_Nerd_For_Human_Justice 2 жыл бұрын
Oh, like a tissue box. That's a good idea.
@hunterd78 2 жыл бұрын
just use one of the zip ties to cinch up the bag and keep them from falling out
@orochiokada 2 жыл бұрын
Yep.... definitely have the urge to make a huge antenna now.
@822dudes9 2 жыл бұрын
Love that you had INR, made my life easier. You gained a like and sub for that 😂♥️♥️
@davkdavk 2 жыл бұрын
I made one of these. No good in the wind, but super effective
@completeandtotalregret4362 2 жыл бұрын
This was great
@drakhavik 2 жыл бұрын
Yay more radio!
@simonstergaard 2 жыл бұрын
everything i never understood about antennas just got revealed... sweeet :)
@popuptoaster 2 жыл бұрын
The end of the tape more than likely would line up if you pulled the end tab out, it's designed to move in when pressed against something and pull out when hooked over something so that it's thickness does not effect the measurement.
@jongeddes09 2 жыл бұрын
Josh and the Rogues unite again? Yes!
@HamRadioCrashCourse 2 жыл бұрын
It was great fun!!
@KillerRaspberry 2 жыл бұрын
I love the radio episodes!
@HamRadioCrashCourse 2 жыл бұрын
Thanks!!
@Suffocation03 4 ай бұрын
I’m not sure if somebody said this already, but the end of the tape measure absolutely does start at zero so if you measure from the inside it will be zero and the metal piece moves so that if you measure inside a door frame, it will also be at zero
@Plasmastorm73_n5evv 27 күн бұрын
READ THE COMMENTS DUD! IT'S BEEN SAID SEVERAL TIMES>>>>
@sprint955st 10 ай бұрын
I just learned everything I didn’t know about Yagi antenna equipment
@tobyparker8936 Жыл бұрын
Very cool video
@wardogdauwdd3020 8 ай бұрын
I love to see you guys make a trench radio and find a way to build a transmitter to it to build a improvised ham radio station
@ArcaneTinker 2 ай бұрын
You can measure all your needed marks for the whole project and make reference marks on the table away from a fixed edge. Then you can mark your pipe and tape for cuts without needing the tape
@MattCoversTech 2 жыл бұрын
Josh is one of the reasons I have my general HAM license.
@Eric10179 2 жыл бұрын
I’ve been waiting for this since Josh live streamed in the shop lol.
@HamRadioCrashCourse 2 жыл бұрын
That was a fun stream!
@NickTsangarides 2 жыл бұрын
10:00 this is why I advocate so vehemently for the switch to metric lol
@danielamador5932 2 жыл бұрын
Watching you guys struggle measuring a measuring tape hurt me
@ArsenicFault 2 жыл бұрын
The floppy knobby end of the tape is designed (ideally) to be included. If you push the tape against something, it flops back and the width is included (on purpose). If you pull the tape, the knob flops forward and the width is no longer included. Your tip of starting at 1" is good for something like this, though, since you're not measuring on or off a surface.
@johnbeauvais3159 2 жыл бұрын
And this is why it’s important not to let your tapes slam into the housing, stop them a couple inches short and let them retract gently
@thisaccountisntreal107 2 жыл бұрын
This is one of my favorite features on any modern tools I love how it compensates for its own width when measuring
@Dr_Rocks 2 жыл бұрын
I know this is probably way down the priority list for the Rogues but your workbench is hella wobbly
@linuxstreamer8910 2 жыл бұрын
before digital tv was a this on the camping we had one of those on our caravan
@davidames9098 2 жыл бұрын
The tool yall used to cut the pvc is intended for pex and poly tubing
@trinityzaku 2 жыл бұрын
that rapid shift at the start of him laughing to black screen made me think my monitor died
@furonwarrior 2 жыл бұрын
I’m an amateur radio operator as well. It’s nice to see Josh being an awesome Elmer. Let me know if anyone has any questions such as how to get the license, privileges from the license and where to get the license. Or ask me anything.
@pennyforyourthots 2 жыл бұрын
Hi, what questionably legal ways can I use this to harrass my neighbors?
@kill3rbamb146 2 жыл бұрын
Is this kind of antenna big enough to emit gamma particles into my neighbors house?
@JimmyEatDirt 2 жыл бұрын
I can't be bothered to google. Is a license required to build one of these for the sole purpose of listening, not broadcasting? Think Emergency scenario.
@kevin31466 2 жыл бұрын
@@JimmyEatDirt listen doesn't require a license just transmitting
@JimmyEatDirt 2 жыл бұрын
@@kevin31466 awesome. Might need to brush off my soldering iron and make a more robust version of these guy's project using some copper I got cheap.
@kevinrtres 10 ай бұрын
I was wondering where the coaxial connects to in the Yagi antenna...now I know. Thanks.
@TekCroach Жыл бұрын
Hahaha. Very interesting. You guys are awesome
@MrAqr2598 2 жыл бұрын
BTW the Yagi-Uda antenna was invented in 1926, but since the Japanese Military didn’t want to give away information to other countries at that time by transmitting data, (yes, although under the Emperor, the military had most of the country’s power then, and was going out of control) it was initially scoffed at; they did use it during WWII though.
@johnbeauvais3159 2 жыл бұрын
The US used it substantially for finding those pesky U-boats and you’ll often see them under the wings of PBYs and TBMs
@MrAqr2598 2 жыл бұрын
@@johnbeauvais3159 Yeah, because Dr. Yagi actually patented the design in the U.K., so the allied forces had access to them. Strange that Dr. Yagi patented it under his name only while Dr. Uda came up with the design.
@futileskills 2 жыл бұрын
I love you guys so much. I have one burning question... for your set design why are you back lit? (I'm legitimately curious)
@matheusrodrigues9653 2 жыл бұрын
found an old, never before used sdr dongle i bought on a shopping spree at aliexpress 5 years ago, decided to build one of these and managed to pickup a radio station over 100km away, now i'm hooked up searching what a qhf is and how to build one to pick up NOAA images, wish me luck!
@arrrg3846 2 жыл бұрын
New title: "Re-purposing Olympic Pole Vault poles!" I love the "magic" workbench where the needed tools magically appear! :-)
@Truth12345 2 жыл бұрын
How can you calculate how long the distanced should be at a given frequency?
@timothylong3990 2 жыл бұрын
Yall need to do more outtakes
@SimplySellers202 2 жыл бұрын
When cutting the PVC, rotate it to get it started easier.
@currentlypooping 2 жыл бұрын
HRCC!!!! I love that guy :D
@bushidobrown9857 2 жыл бұрын
This is one of the most roguey episodes in years Next ep: how to grow 🍄
@robertlee8400 2 жыл бұрын
I want to see them make a moon raker antenna , now that would be cool to see . I built one back in my 20s , the bigger you make them the longer you can throw & receive a Signal .
@Goon-124 2 жыл бұрын
If anyone is curious, I believe the receiver they were using is the ICom IC-705: www.icomamerica.com/en/products/amateur/dstar/705/default.aspx
@HamRadioCrashCourse 2 жыл бұрын
It is!!
@Churro_Douglas 2 жыл бұрын
I need to master an extremely specific skill so that I can guest star on this channel, see you guys in a decade alright?
@okhamradio 2 жыл бұрын
Отличная антенна получилась
@Cinnamon_Shaey 2 жыл бұрын
Not gonna lie that's pretty sick 😅
@BorealBlizzard 2 жыл бұрын
Time to get back into ham
@linuxed3524 2 жыл бұрын
FINALLY another HRCC collab. our prayers have been answered
@Povilaz 2 жыл бұрын
As always that one video that I wanted to see, I obviously don't get the notification...
@flamecrew9atroblox958 2 жыл бұрын
Nice yoda antenna guys.
@Bombskwad92 2 жыл бұрын
Ya got a pex cutter to do a pvc cutters job lol but ya made it work
@curiousfungus 2 жыл бұрын
You weren’t supposed to hear about my shroom growing operation I trust you’ll keep my secret
@OldPumpMan 2 жыл бұрын
Damn, this info is interesting👍.
@furonwarrior 2 жыл бұрын
It’s better to use stiff elements for a transmitting yagi. Moving antennas that flex has a fluctuating SWR which is bad. Also, it’s good to use a NanoVNA when making antennas.
@Sinaeb 2 жыл бұрын
wires goes brrrrr
@HamRadioCrashCourse 2 жыл бұрын
I had a NanoVNA with me. Always handy to have. If the antenna is still the measuring tapes work just fine. We use them for satellite contacts.
@furonwarrior 2 жыл бұрын
@@Sinaeb Haha, I’d imagine if we could hear an antenna, it could sound like dubstep.
@furonwarrior 2 жыл бұрын
@@HamRadioCrashCourse Thanks for help exposing more people to amateur radio. I saw this measuring tape yagi before and made one myself, but the SWR was all over the place, but yeah, if hold still, the SWR is fine. I just wish they had an automatic antenna tuner for 2 meters. 😕
@xergei 2 жыл бұрын
Ooohh I just noticed PHP in the thing. Way to include Fans from the Philippines 😁
@rustyshackleford6018 2 жыл бұрын
Fresh out of the oven Rogue memes.
@dylanhenry3310 2 жыл бұрын
Why does this guest look like the perfect cross between Deviant Ollam and Babak Javadi?
@3v068 2 жыл бұрын
Hi Josh! I found a love for radio and your channel through TMR! Hope to transmit and communicate with you at some point.
@marcharrison9847 2 жыл бұрын
Thumbs up cos I know that guy from ham radio crash course 10 points for slytherin
@marcharrison9847 2 жыл бұрын
Slags
@Diago767 2 жыл бұрын
Measuring a measuring tape with another measuring tape..... only on the Modern Rogue XD
@ik04 2 жыл бұрын
Everyone gets the pipe lengths wrong. If you look at the diagram, it shows the distance between the elements as 12 1/2 and 8 inches. That is not the length of the pipes; they must be shorter than that in order to account for the space occupied by the T and cross fittings. The correct lengths are 11 1/2 and 7 inches! Also, the Instructables page has a typo putting the long tube at 17 1/2 inches, which will really screw up the tuning of the antenna.
@Keith_KC8TCQ 2 жыл бұрын
tape measure yagi, as soon as I saw the video title I know that was going to be the topic, They work great and are portable, great of working amateur radio satellites, fox (transmitter) hunting contests and mountain topping, hiking to te summit of a mountain with minimal equipment and trying to kake contact over radio.
@jmr 2 жыл бұрын
I think the first yagi I made was to get better cell service. Back then cell phones had antenna connectors, Radio shacks existed, and hangars were still metal.
@Keith_KC8TCQ 2 жыл бұрын
@@jmr don't forget the pringles can yagi to get a better wifi signal
@jmr 2 жыл бұрын
@@Keith_KC8TCQ That's what I thought they were going to do from the description but I think they already did that one. Next up corner reflector!
@Keith_KC8TCQ 2 жыл бұрын
@@jmr one of the local hams noe sadly a SK built a corner reflector years ago when he decided to dabble in ATV
@jmr 2 жыл бұрын
@@Keith_KC8TCQ In addition to being a ham I am active with a device called the Gotenna Mesh (900mhz ISM spread spectrum). One of the guys figured out it was more effective and easier to build a reflector around the device then try to attach an antenna to it. That's not omnidirectional of course but since they mesh you can have multiple devices to cover different directions.
@_DlME 2 жыл бұрын
A few years ago my uncle made a satellite dish using a coax cable, a metal coffee can and a wire hanger. (I think that's all he used) it worked pretty damn good for basically being free.
@bren42069 2 жыл бұрын
The venerable cantenna
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