homemade radio antenna

  Рет қаралды 99,984

Dana Kotze'

Dana Kotze'

Күн бұрын

Пікірлер: 46
@teamgunda33
@teamgunda33 Ай бұрын
Vividly explained. Very nice work. Thank you...
@ChaplinHawkeye
@ChaplinHawkeye Жыл бұрын
Very good instructions that I am confident to follow. Thank you.
@eduardopizzorno7658
@eduardopizzorno7658 Жыл бұрын
DESDE URUGUAY MONTEVIDEO .. REALICE ESTA ANTENA Y QUEDO PERFECTA.. SINTONIZO TODAS LAS ESTACIONES DE FM.. 88 MHERT A 108....DEL DIAL DE LA RADIO,, GRACIAS..
@VS-ed8od
@VS-ed8od Жыл бұрын
Thank you for sharing. Love from🇮🇳 India
@김창수-d7l
@김창수-d7l 5 ай бұрын
thank you. You saved my time.
@TheEspikes
@TheEspikes Жыл бұрын
simple and straight forward. Cheers!
@ke4asc
@ke4asc 7 ай бұрын
It's simple, but all it really needed was a 19 inch long single wire extension on the antenna line and it is done. Just receiving so swr is not a big issue. Good video though.
@frequencywatchers
@frequencywatchers Жыл бұрын
Wonderful Video, But If You Have Electric Wire And A Radio That Doenms`t HavE Any receptiuon All You need To Do Its Just Put The Wire Onto Your Curtains Or Any Spot Where You Can hang It On And Then Rap Around The Radio The Wires , Like, 8 Times Around And It Will Receive Much Better In HF !
@f.kharrasi4333
@f.kharrasi4333 7 ай бұрын
Hello and thanks; Is this method also efficient for short wave?
@DanaKotze
@DanaKotze 7 ай бұрын
No not really. Maybe you will find something on KZbin regarding shortwave antennae
@harichanddeharia
@harichanddeharia Жыл бұрын
Nice experimental video 🎉
@Biruk_Technicians-1990
@Biruk_Technicians-1990 8 ай бұрын
What if use any aluminium or copper in place of (Brize/bronze?)? and how can we measure AM or FM using MHZ or KHZ? Boss!
@Biruk_Technicians-1990
@Biruk_Technicians-1990 8 ай бұрын
What if use any ground in place of Capacitor negative?
@Biruk_Technicians-1990
@Biruk_Technicians-1990 8 ай бұрын
Great work, but really I need your response due to use as personally.
@DanaKotze
@DanaKotze 8 ай бұрын
Use any metal. No difference. Please check on you tube for calculations. I am not so bright on maths😀
@Biruk_Technicians-1990
@Biruk_Technicians-1990 8 ай бұрын
Greater idea! In addition to this what if we use any ground in place of -ve of Capacitor?
@thatswiss1385
@thatswiss1385 3 жыл бұрын
That's good, I need to extend the antenna of my radio in the cellar as well for better reception
@tomsettles6873
@tomsettles6873 4 ай бұрын
So is this superior to just buying a good Philips/RCA rabbit ears antenna like the RCA ANT115 for $20 ?
@DanaKotze
@DanaKotze 4 ай бұрын
@@tomsettles6873 yes absolutely. I will make a video on a later stage using a Bulion which compensate for the impediense match. You can google antennea impedience matching transformer.
@raulgongora5288
@raulgongora5288 7 ай бұрын
Twaskyou sr for all information. Blessings
@little_brat.
@little_brat. Жыл бұрын
Nice, that all makes much more sense now. Shame that when I was younger and had electrotechnics classes at school, I wasn't paying attention...
@jankotze1959
@jankotze1959 3 жыл бұрын
Nice, this plan would work great with our previous old kitchen radio that I scrapped a while ago,
@Mrjohnwr
@Mrjohnwr Жыл бұрын
Worked a treat - Thanks
@SpikesMavic
@SpikesMavic 2 жыл бұрын
Great vid, but how did you work oput what length of rod to use, is that for a specific frequency ?. cheers
@DanaKotze
@DanaKotze 2 жыл бұрын
Yes it is relate to the frekwency. For fm it is 75 cm per rod. One quarter wavelength. Cheers
@MorAcht
@MorAcht 7 ай бұрын
Does it make any difference to the length where the rod is bent into the wood. I would think this part in the wood would not receive any signal from the air. I have seen some other videos where this length is 31 1/2 inches. Also should the rods have a low resistance for my 75 ohms coax connection at my radio?
@mikebond6328
@mikebond6328 7 ай бұрын
Can this antenna be used also to transmit?
@DanaKotze
@DanaKotze 7 ай бұрын
I am not such a radio boffin but I guess so if it is on the same frekwency
@Ochakachonkenneth
@Ochakachonkenneth 11 ай бұрын
i love it thanks
@bam-o5l
@bam-o5l 2 жыл бұрын
Black cable is connected to what, pls advise
@DanaKotze
@DanaKotze 2 жыл бұрын
Hi the black wire is connected to the negative of the supply line. Battery or cap at rectified output of transformer.
@bam-o5l
@bam-o5l 2 жыл бұрын
@@DanaKotze tks..have a good day
@override39
@override39 2 жыл бұрын
a very good video thank you
@narendradubey3828
@narendradubey3828 2 ай бұрын
ये रॉड किस धातु की बनी हुई है जो एंटीना में लगाई गई है।
@DanaKotze
@DanaKotze 2 ай бұрын
hi it is made from brass brazing rod. you can use any metal you can get.
@41172
@41172 3 жыл бұрын
nice my friend, thanks for your sharing the ideas full watching here thank you..
@DanaKotze
@DanaKotze 3 жыл бұрын
Hi thanks for subscribing 👍
@extion
@extion Жыл бұрын
Can you explain why 75cm?
@DanaKotze
@DanaKotze Жыл бұрын
Hi. It is something to do with the waveleghht of the FM radio signal. This is a quarter length. Cheers
@extion
@extion Жыл бұрын
@@DanaKotze I am trying to get reception on a car radio I’m using in my garage. I feel like I’ve got everything going right but I still can’t get good reception. Although they sound pretty straightforward, antennas are hella frustrating to get some good reception.
@kramakrishnakramakrishna6983
@kramakrishnakramakrishna6983 9 ай бұрын
O​@@extion
@FRLAZone2018
@FRLAZone2018 Жыл бұрын
make sure it has 300 to 75 ohm balun otherwise it won't work
@eswnl1
@eswnl1 5 ай бұрын
Well a dipole is balanced and coax isn't - so some kind of balun is needed. Few turns of coax round some ferrite?
@ntmedia2415
@ntmedia2415 Жыл бұрын
name,nazrul talukdar...from BANGLADESH.
@marino607
@marino607 Жыл бұрын
Io ne ho una uguale 😅
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