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Improving AM Radio Reception w/ External Antenna and Loop Connection 

Radiodog
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Improving AM Radio Reception w/ External Antenna and Loop Connection
I can't recommend enough putting up a decent, outdoor antenna for your portable radio. There's so much more enjoyment to be had with nice, clear, low-noise signals. But how do you realize those effects on a radio without a provision for an external AM broadcast band antenna?
Here's a simple way to do it. Antenna is a 100 ft random wire, through a 9:1 transformer into about 60' of coax. This video describes a simple wire loop that effectively couples a portable radio to an external antenna.

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30 сен 2024

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Комментарии : 168   
@jameshochstetler6093
@jameshochstetler6093 3 года назад
Not much help when there are no details on how you did it
@cdshull
@cdshull Год назад
When I was a teen in the late 60s, I ran 50 ft of antenna wire (from Lafayette) in a spider configuration in the attic and down the stairs into my room. It connected to my elderly aunt's old 1940s era tube AM radio. From central PA, I could listen to NYC and Chicago stations with acceptable clarity in daytime and perfect reception at night.
@sebastiandomingos335
@sebastiandomingos335 6 месяцев назад
with a 1996 Suntone RR3000 I'm able to reach mexico city and Toronto from Denver. wish I could reach Cuban stations but just not quite.
@palgotzoona
@palgotzoona Год назад
All I wanted was some extra info on using an external loop for MW DXing, so I watched this video. Seemed innocent enough. WHY, I ask, do I now possess my very own Panasonic RF-2200 (or more accurately, a “National Panasonic Cougar 2200” b/c I’m in Japan)?? Probably going to have to get a full alignment done on it, maybe replace some caps to get it in full working order-who knows what rabbit hole I’ve opened up? I just wanted to make some loops out of wire…
@crawfish069
@crawfish069 5 лет назад
Beginner here. Where did you connect the far end of the black wire? I must have missed that. I would like to listen to AM more. I have a C Crane Skywave with external antenna.
@DinkyDoughnut
@DinkyDoughnut 3 года назад
The outdoor antenna and 9 to 1 transformer should have been also in the video.
@flyurway
@flyurway 4 года назад
Nice but still don't understand where the 2 ends of the coax go. A schematic would be nice. is one pole grounded? Does the other just extend outside to anywhere? If there's a straight length, how is it oriented?
@joebert_
@joebert_ 3 года назад
you have such a nice voice, I started getting into radios over quarantine and your videos have helped alot, hope you are doing well
@radiochanel1282
@radiochanel1282 3 года назад
Agree me too it was so boring I got into radio which obviously changed my life 📻
@davids.2072
@davids.2072 8 месяцев назад
Beautiful Radio , does anyone produce this radio or similar and in today's 2024 radios which one's do you recommend , Thank's .
@tomjones239
@tomjones239 5 лет назад
For daytime DX on AM I used to make a 80 to 120 turn coil of 24-26 awg magnet wire on a paper towel tube connected to two 250 foot longwires. Place coil near radio. You could also use one longwire and ground the other side of coil but I always used two longwires. You'll get amazing daytime DX with a setup like this. I went from three stations to around fifty.
@canadianpsycho1867
@canadianpsycho1867 4 года назад
My reception massively increases when I set my radio near my water heater in my basement
@39elden
@39elden 5 лет назад
Makes me wish that I could throw a 100 foot long wire outside my condo. What a difference in reception.
@Radiodog
@Radiodog 5 лет назад
Yes, I am very thankful for having the backyard space. My main limitation is my wife! I am upgrading, you might be interested to know. "Investing" in a MFJ 1886 loop antenna...might be a possibility for your condo. (Attic maybe?) I'll be sure to post videos on it once I get it and use it. Thanks for the comment!
@39elden
@39elden 5 лет назад
Tom, the MFJ 1886 looks like a pretty impressive antenna. If you did obtain one, doing a video on it would be great. I have about a 40 foot wire wrapped around the top perimeter of wall in my study hooked up to an MFJ-1020C active antenna that I use with an SDR play connected to my laptop. It foes a good job but I still enjoy tuning a regular antenna. Thanks for the suggestion.
@jimmytowns2471
@jimmytowns2471 5 лет назад
Very impressive! I've tried several radios I own and am only able to receive one or two staitions (in daylight hours). I will definitely give this a try. Thank you!
@tomjones239
@tomjones239 5 лет назад
Jimmy Towns .... I used to only get three AM stations in the daytime but got fifty with a similar setup. I used two 250 foot longwires stretched out over the lower tree limbs connected to a coil made from 24-26 awg magnet wire wrapped on a paper towel tube. 120 turns. Put the coil near the radio. I live out in the country though with lots of space. In NW Louisiana I could hear New Orleans, Dallas, Oklahoma City and Houston just to name a few...during the day.
@PC4USE1
@PC4USE1 3 года назад
Back in the late 1910s ,early 1920s,my late father(B 1911) would hook his crystal set to a water pipe with copper wire to get good reception. I wonder how that would work in the modern era.
@cedarhillschoppers35
@cedarhillschoppers35 5 лет назад
Good video, helpful, wish it had a quick shot of the outside antenna setup and the "9 to 1 transformer" for those of us unfamiliar with these things.
@cliffvalentine7370
@cliffvalentine7370 3 года назад
me too exactly my thoughts
@gklinger
@gklinger 5 лет назад
That’s a great video. You demonstrate both the value of an antenna and a way to interface that antenna to any radio a person might have. I’ve seen videos three times longer that aren’t half as clear. Interesting side note: What you’ve made there is a tiny loop antenna. Build one the size of a hula hoop and you’ll be shocked at how well it will work (90+ % as effective as a Wellbrook loop for about 5% of the cost.) Turns out that the aspect of this hobby which interests me most is antenna design and making them on the cheap.
@Radiodog
@Radiodog 5 лет назад
Thanks for the comment! Tell me more about your loop. Is it tunable? Do you have plans? I'd love to get one of those nice Wellbrook loops, but I think I've blown all my radio funds for a while!
@gklinger
@gklinger 5 лет назад
​@@Radiodog I had originally set out to build a tuneable antenna with a main loop and a little loop and all that but upon further reflection I decided to start with the simplest loop antenna I could make and see how it would perform. I bought a hula hoop (with a 35" diameter), a broomstick, and a bag of tie wraps for under $10 from the dollar store and then went to Lowe's for a T conduit junction [1] and a 10' roll of copper tubing. I don't remember exactly what it cost but it was under $25. I cut the hula hoop, fed the copper tubing through until it came out the other side, and then I drilled small holes in the copper tubing on either end. Then I fed some copper wire through the holes, twisted it to secure the wire to the tubing, put one end into the left side of the T junction and the other side into the other and lastly connected the wires to a two terminal to BNC connector I had kicking around (they cost about $2), fed it through the bottom part of the T junction, and sealed it up. I stood the broom stick up in a patio umbrella holder, connected a feed line, and I was off to the races. Does that all make sense? It's more difficult to describe this than I expected. Regardless, the antenna works shockingly well. I'd say it's about 90-95% as effective as my MFJ-1886 ($250 + shipping) and maybe about 80% as effective as my Wellbrook 1530LN ($325 + shipping) but at a fraction of the cost. I also built a variation using 14 AWG wire looped three times through the hoop rather than copper tubing but it isn't quite as good. I also tried adding a balun since looped or not, this really is just a random length wire antenna -- it made no difference. You should construct one and give it a try. I have as much fun comparing antennas as I do actually DXing. :) [1] www.lowes.com/pd/CANTEX-1-in-Schedule-40-PVC-Cap/3234068
@Radiodog
@Radiodog 5 лет назад
Yep, that makes sense. No capacitor? Interesting. I'll give it a try. Like you, I am unafraid to try something different and see if it works. How's the noise level on the loop you describe?
@gklinger
@gklinger 5 лет назад
@@Radiodog The tuning capacitor and the baluns I purchased for the project sit unused in my parts box. Go figure.
@Isalsero1
@Isalsero1 Год назад
Wish that you had made a RU-vid video to show how you made it. It’s a little bit confusing to me…
@altaylor3988
@altaylor3988 Год назад
Clear, Precis, Simple language, No Waffle, Inexpensive solution.. That is what I like. Thanks Matey
@CARLiCON
@CARLiCON 2 года назад
a great demo of inductive coupling, the signal coming through the outdoor antenna is concentrated slightly by the small diy loop & he puts that portable loop next to the MW antenna on the radio, which connects them via induction. This would work very well with a radio like this with the included MW antenna mounted outside of the cabinet. With other radios where the MW antenna is inside, it might be more difficult to get the loop close enough to couple that easily, or find the sweet spot. Bottom line is, you're always going to get more/better signals with an outdoor antenna, especially in a basement
@medo123345
@medo123345 3 года назад
👍 Very good ant, could you please explain how your ant made?
@jisake1
@jisake1 6 месяцев назад
I tried your loop as suggested. Did not have any impact. Can you elaborate? I see your loop as 7 loops. The only difference was I kept mine in line, bundled. Would that make the difference?
@AMFMDX
@AMFMDX 4 года назад
The difference is simply amazing.
@adrianciobotaru9595
@adrianciobotaru9595 4 месяца назад
i still don't understand: how can i build an AM anthenna? i have a Sony HCD-GTZ3i and the AM anthenna is missing. how can i replace it?
@superotterboy7937
@superotterboy7937 3 года назад
I'm an absolute novice to this hobby but I've just ordered a simple analog SW capable Tecsun! I live in a rural area and can get fairly listenable AM signals through a 90s Sanyo hifi but it could be improved. I'm considering buying the Tecsun An-200 loop but then, I have lots of wire and electronics components here so I may just solder my own. Thank you for your video. The difference is astounding.
@sudinsangodcar6375
@sudinsangodcar6375 3 года назад
How is your external 9:1 transformer wired?
@DinkyDoughnut
@DinkyDoughnut 3 года назад
Same, it'd help where from the other end gets a reception.
@debjulmar
@debjulmar 5 лет назад
Thank you for the information and a video that can be easily heard.
@luisp-i582
@luisp-i582 Год назад
Hey buddy what fm/am portable Radio would you recommend?? Sony? Panasonic??
@J.L.123
@J.L.123 2 года назад
Q U E S T I O N --- Please clarify! Regarding the loop antennas for AM - ads on Amazon: Our AM radios have electrical cord, adapter, 4-D battery optional connectors. No jack for external antenna. So how and where must we connect the loop antenna to help diminish the crackling on AM 1150? (FM stations = no problem). Are copper wires the best material for AM/FM antennas? Thanks.
@adriancronin533
@adriancronin533 2 года назад
Hi by the looks of it you don't connect it to the radio, you just place it on top.
@M81_WOODLAND
@M81_WOODLAND Год назад
As with all radio stuff...NOT helpful at all! What does the antenna outside look like and how is that hooked up? You radio dudes gatekeep too much.
@kakareviews
@kakareviews 4 года назад
That's an amazing radio tuner you got, where to buy
@ajoychatterjee7224
@ajoychatterjee7224 5 месяцев назад
Where did u connect the other end of the antenna coil ?? I couldn't understand sir ..pls clarify if u can ..thanks a lot.. I'm from india..
@runplatypus
@runplatypus 4 года назад
This is why I love radio tech. Thanks 👍🏽
@zacharydummpfiff9837
@zacharydummpfiff9837 5 лет назад
I like this yellow clock.
@rustyredick6223
@rustyredick6223 4 года назад
Made in China
@tuberez
@tuberez 5 месяцев назад
How is it wired outside? One wire goes to long wire antenna and? What's the ,9 to 1 transformer for? Thx I'm new
@sharegreats2157
@sharegreats2157 Год назад
Interesting radio device. I own a Tecsun S-2000, another brand one can barely get over here in Germany.
@ThunderBroomPilot
@ThunderBroomPilot Год назад
Assuming that no antenna is connected to the radio, why the reception improves so much (or at all) when you place the loop on top of the radio?
@scotthudson2139
@scotthudson2139 Год назад
But you don't explain where it attaches? I guess I missed that lesson or this is not for beginners.
@MaryHansen-i8e
@MaryHansen-i8e Месяц назад
How would you use this in my truck, cant get any AM stations? Thanks
@robertmcfadyen9156
@robertmcfadyen9156 2 года назад
I did a test like this in a caravan while holidaying in 1989 at Forster N.S.W. , Australia with very good results with a National RF B 20L .
@rickvia8435
@rickvia8435 3 года назад
Thanks, man. Inductive coupling from the outside random-wire to the internal ferrite AM antenna. I've done it dozens of times.
@spacecoyote6646
@spacecoyote6646 Год назад
While this is technically interesting, there is nothing on AM radio to listen to. And the same for shortwave
@sudinsangodcar6375
@sudinsangodcar6375 3 года назад
Please show how the coil is to connect to the cable
@jeoffer
@jeoffer 4 года назад
What is a 9:1 transformer?
@bharatshetty9560
@bharatshetty9560 3 года назад
aka 9:1 balun, please Google for more information. vk6ysf.com/unun_9-1.htm
@cliffvalentine7370
@cliffvalentine7370 3 года назад
me too what is it
@workingwiththelight3119
@workingwiththelight3119 9 месяцев назад
You showed I need better antenna but I still don't know how to connect it to my radio.
@jcxme
@jcxme 2 года назад
Wow, wow, I did not imagine what simple and good it is!
@AINews13
@AINews13 5 лет назад
What kind of reception when you pull out the telescoping ariel on the right top of the radio? I'll bet if you put the loop over THAT you would get even BETTER reception!
@rickvia8435
@rickvia8435 3 года назад
The telescoping antenna is for the FM band and a marginal function for SW reception. AM (MW) broadcast receivers rely on an internal antenna which is part of the receiver's front-end stage. The coil/ random-wire shown couples the signal into the built-in AM stage. The telescopic is N.W.A.S. for MW reception.
@micjam1986
@micjam1986 3 года назад
@@rickvia8435 hi rick, i always thought i could just take a random wire with an alligator clip soldered on and connect to the telescoping antenna.. but thats not best for SW???
@rickvia8435
@rickvia8435 3 года назад
@@micjam1986 A random wire connected to the whip is likely to benefit SW (probably not so much for FM because the whip is more tuned for FM reception). The whip by itself is marginal for SW. Any time you can increase the level of signals (random wire), the better for SW. AM (MW) may benefit as well from the wire through indirect parasitic coupling to the MW circuitry. Better SW receivers provide an RCA jack or screw terminal for connection of a wire antenna.
@bobwong8268
@bobwong8268 2 года назад
@@rickvia8435 👍👍👍Thank you Rick, learnt something useful today.
@nor4277
@nor4277 4 года назад
I bought a Tucson loop antenna with a built in tunning knob and on some radios it can be hard wired with supplied connector which I dont use It just set it next to my radio when I get a weak signal I can tune it to make it better but your loop works well.
@spacecoyote6646
@spacecoyote6646 Год назад
Did I miss it? Did you ever show us the antenna on the outside of your house?
@skiprope536
@skiprope536 4 года назад
Similar antenna works great for FM as well. Found that out by accident!
@brianjones3191
@brianjones3191 3 года назад
What differences are there, if you could tell us please? :-)
@RuneTheFirst
@RuneTheFirst 5 лет назад
I see in the background a couple of my favorite GE portables - P-780 and Super Radio. I also have a couple Zeniths and a Philco I use to listen to music late at night from a Canadian station. I use an antenna booster coil that was available a couple decades ago. (Round, sealed, with a tuning dial to zero in on the station desired. There were 2 versions - one just plain for loop and ferrite antennas and one with a jack on the front that could do that plus be connected to really old radios that just used a wire lead.) It's great that you demonstrated this as many younger hobbyists are not aware of this idea.
@justnoted2995
@justnoted2995 2 года назад
Exact details of the connections are absent
@ravindrankm
@ravindrankm 3 года назад
Great video. Please show the external part of the antenna.
@thetawaves48
@thetawaves48 2 года назад
Did you say how to connect the loop to your radio?
@jmdds
@jmdds 6 месяцев назад
what is the length of the wire in the loop ?
@woofbark4475
@woofbark4475 9 месяцев назад
So is that wire loop hooked up to power somewhere?
@chucktaylor4384
@chucktaylor4384 3 года назад
Mmmmm... Well, now I know what I'm doing this weekend..lol. that's actually pretty damn cool. Pardon my french. But seriously... awesome.
@Peppermint1
@Peppermint1 2 года назад
Good demonstration and idea. I would have loved to see a test with the radio placed outdoors, at ground level. Having it sitting in the basement it's already cutting severely the reception.
@cristinafultz4572
@cristinafultz4572 Год назад
Jason Bateman Ben eatin them moon pies
@zbruch66
@zbruch66 Год назад
is it plugged to the reciever or just put over?
@r0naldzuccala198
@r0naldzuccala198 2 года назад
Well happy Thanksgiving . Question does the super fringe radio compare to the panasonic rf 2200. Thanks. Best regards. Ron z.
@Bob-Horse
@Bob-Horse 4 года назад
I think I perhaps understood what you did, but I’m a newbie so trying to learn. I have just purchased a Tecsun pl-680 and have tried it inside my home with the telescopic Ariel or the wire Ariel that came with it, plugged into the Ariel port and clipped to a point near the ceiling. All inside the house and the wire Ariel did improve the reception, but I get hardly and channels either during the day or night. Grateful for your detailed advice on what I need to do exactly to improve the number of stations I can receive. Many thanks. p.s. I an in England, UK.
@usernamemykel
@usernamemykel 2 года назад
Ariel is a character in a Disney movie, NOT a radio term. Obtain a refund from the school you attended.
@RaciuleteAurel
@RaciuleteAurel 4 месяца назад
What model of radio îs?
@bernardlemaitre4701
@bernardlemaitre4701 Год назад
Does't it work with SW ??
@robertmcfadyen9156
@robertmcfadyen9156 2 года назад
Alignment can help .
@vulpes__inculta
@vulpes__inculta 2 года назад
4:10 is that german?
@skrongo
@skrongo 2 года назад
Do you have any advice for a portable radio with an external antenna connection? I already have an SMA antenna on my vehicle and would like a portable radio that can be connected to this.
@مهندس_علي
@مهندس_علي 5 лет назад
Thank you so much my dear. I like this
@justtinkering6713
@justtinkering6713 2 месяца назад
Litz
@prawilny8506
@prawilny8506 3 года назад
Super radio...
@adriancronin533
@adriancronin533 2 года назад
Hi great vid, I'm definitely going to try this. 1 question, when you say 'ordinary, insulated junk wire' could you be more specific? Thanks
@AppreciatingLife
@AppreciatingLife 4 года назад
video starts @ 2:00..
@atvalleau
@atvalleau Год назад
Question: could you connect your outdoor longwire antenna to the tunable loop I noticed on your bench in the background? I have one of those. In other words, could you substitute the tunable loop for the coil you made?
@captaintimbailes7971
@captaintimbailes7971 3 года назад
That's nice, but how big of an improvement is it over the radio antenna itself. You did this and compared it to No antenna at all!?
@brandonlaragirl
@brandonlaragirl Год назад
What's the purpose of the 9 to 1 transformer? Awesome video by the way.
@SkyCharter
@SkyCharter 4 года назад
How is your external 9:1 transformer wired? Does the external wire go to a ground through the higher impedance winding?
@robertmcfadyen9156
@robertmcfadyen9156 2 года назад
At Forster , the Sydney AM stations were quite listenable during daylight hours , 250km away with the radio inside the caravan with 20 ft of wire hanging near a power turret outside connected to the high side of the radio's internal antenna .Without the external wire only 2BL 702 at Preston's was listenable with the reciever in my hand outside the caravan . . The commercial AM stations around Homebush Bay were audible but not listenable .
@eddieboggs8306
@eddieboggs8306 2 года назад
Wrap an extension cord horizontal around radio. Be amazed how it will pick up am.
@dxradioecia
@dxradioecia 3 года назад
Comprei esse rádio, mas estou com algumas dúvidas. Quando ligo ele na rede de energia, ele só funciona se as pilhas de lition estiverem nele. É normal?
@jfv65
@jfv65 2 года назад
Nic3vresults. Goes to show that the antenna is equally if not more important then the radio receiver itself. I bet if you took a small cheap low-end portable radio you would hear similar stunning improvements.
@gunner6639
@gunner6639 5 лет назад
Great video, very informative! ...quick question, How did you manage to make your dial light stay on permanently on your 2200? Id like to have the same option
@prabhats860
@prabhats860 4 года назад
i have a sony component radio with built in and Option for external antenna 75/ 300 Ohm and coax, how do i get a sharp reception on AM 1130 in canada pl advise, i can hear noise and interfearence some times, i dont think its harmonics, but i havent tested yet. Tx
@graftonhale6392
@graftonhale6392 5 лет назад
Very interesting. Could that be adapted to a car AM radio? If so. how? Thank you.
@aviandragon1390
@aviandragon1390 5 лет назад
You'll just need enough shielded coax to stretch from his outdoor antenna to your car.
@johngnipper1454
@johngnipper1454 5 лет назад
@@aviandragon1390 lol and enough to get around town
@aodhmacraynall8932
@aodhmacraynall8932 2 года назад
pretty good! Keep up the good work. I'm enjoying your channel.
@ryanthereaper5032
@ryanthereaper5032 3 года назад
You can also fool if you just going to use wire as an antenna you can just plug it into the same outlet that you know the radio is being used on at least it works for me when I do it
@kerrychase4839
@kerrychase4839 2 года назад
Your loop should be 7 turns if the diameter of the loop is 3 inches. It looks to be about that.
@skiprope536
@skiprope536 4 года назад
TWO MINUTES of Blabber until...................
@hidayetullah8053
@hidayetullah8053 3 года назад
good see you made antenna but in movie you didn't show the other end of the coil that where it is attached
@DonzLockz
@DonzLockz 8 месяцев назад
Brilliant! Thank you!
@Denman500.
@Denman500. 6 месяцев назад
That is Awesome Thanks, I'm going to try it to night.
@nor4277
@nor4277 5 лет назад
Does.the wire have to be shielded,can it be twin lead speaker wire ,is the seven turns mean anything ,can it be more? I love how your works.amazing,I wonder if you hook it to a radio tuner ,like the tecsun antenna made.for An radios.,and if it needs.shoes wire where can I find wire like yours.
@karyonowasmin1601
@karyonowasmin1601 4 года назад
Wow! The audio is very loud and clear. Fantastic!
@Mikey-ym6ok
@Mikey-ym6ok 3 года назад
Can i use normal spool of soldering wire and use a cable with alligator clips and attach to the radio atena ? I’m poor lol
@PrepperStateofMind
@PrepperStateofMind 2 года назад
What brand of audio are you using? Thank you
@Phoenix_cataclysm_in_2040
@Phoenix_cataclysm_in_2040 2 года назад
Would that work on vintage MW radio?
@DeepakJAT0007
@DeepakJAT0007 Год назад
Lovely presentation & splendid setup !
@bomadienmorsli1571
@bomadienmorsli1571 4 года назад
اهلا استاذ كيف يتم بث امواج الراديو لمسفات بعيدا وشكرا
@muhammedabourayan9248
@muhammedabourayan9248 4 года назад
What's the kind of the wire rounded ??
@andythompson7725
@andythompson7725 4 года назад
I wonder if this would work in a vehicle?
@tripeboi
@tripeboi 3 года назад
WHAT IS THIS WITCHCRAFT!
@tommyb.6064
@tommyb.6064 4 года назад
I really need to set myself up a mast and a few antennas tuned to various bands with the wiring coming in the home...
@sharpenflat6002
@sharpenflat6002 Год назад
That was clear as mud.
@jedidiahstockton5066
@jedidiahstockton5066 2 года назад
That’s brilliant
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