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Пікірлер
@LU7ACN
@LU7ACN Ай бұрын
Nice one Mike, I am going to make one myself soon. Thanks. 73.
@s1d3ll18
@s1d3ll18 5 ай бұрын
Could this be used as a triband 146, 223, 446
@mikemcdonald7441
@mikemcdonald7441 3 ай бұрын
I have not tried a tri-band as all my radios are dual band. Give it a shot!
@lordcondio1036
@lordcondio1036 7 ай бұрын
Thank you for your fantastic and easy to follow video. Weekend project for me. 73 MM7EIZ
@donparriott7113
@donparriott7113 7 ай бұрын
Why is the lower part shorter than the upper part and how did you know how much shorter? How did you determine 9 turns in the coil?
@buddhistsympathizer1136
@buddhistsympathizer1136 3 ай бұрын
I believe the lower section is shorter to take into account the velocity factor of the radiowave in the coax. 9 turns in the resonant choke is chosen for a frequency of about 135Mhz - just below the band of use (it is an inductor).
@user-pc5hz5zu2e
@user-pc5hz5zu2e 8 ай бұрын
tyg
@timothysexton6800
@timothysexton6800 9 ай бұрын
I’m going to try this myself a see how it goes. Thanks for your advice and demonstration
@dwaynetruett3768
@dwaynetruett3768 10 ай бұрын
Wtf is 17.99" I'm a machinist never heard of this is that 17.63/64 humm jest asking
@timothysexton6800
@timothysexton6800 9 ай бұрын
Just say 18 inches and don’t worry about it
@drewby4563
@drewby4563 Жыл бұрын
Yeah I used the same thing 's & it came out perfect ...but with the shrink wrap it made it waterproof but heavy as well...
@G_W_B
@G_W_B Жыл бұрын
It turns out a vertical dipole for 144 MHz and a dipole for 433 MHz. However, there are doubts that the aluminum foil should be closed around the circumference?! If it is not closed, then it will not have a shielding property.
@mikemcdonald7441
@mikemcdonald7441 Жыл бұрын
Mine worked well closed, I am not sure about being open but it would be worth a try.
@flpirate4565
@flpirate4565 Жыл бұрын
I don't see the flower pot?.
@buddhistsympathizer1136
@buddhistsympathizer1136 3 ай бұрын
The name originally comes from the designer 'hiding' the antenna in a flowerpot so at to not annoy the neighbours.
@MarblePawn
@MarblePawn 2 жыл бұрын
After placing the foil tape, you can press against it with the sharpie to smooth it out.
@kersht55
@kersht55 2 жыл бұрын
Does the 14 gauge wire need to be solid core or will stranded wire work?
@mikemcdonald7441
@mikemcdonald7441 Жыл бұрын
I used stranded wire on mine.
@W5NEH
@W5NEH 2 жыл бұрын
This was the easiest to follow instruction video I have found for this antenna yet. Was able to build it with extra stuff laying around on a lazy Sunday. Lost nothing, gained a well working antenna and some knowledge. Thank you sir
@mikemcdonald7441
@mikemcdonald7441 Жыл бұрын
Great to hear!
@Mike-jy7yp
@Mike-jy7yp 2 жыл бұрын
6 turns will get you rested at 1:46.000 MHz not 9 turns
@buddhistsympathizer1136
@buddhistsympathizer1136 3 ай бұрын
The resonant choke is tuned to 135Mhz (or so)
@Mike-jy7yp
@Mike-jy7yp 2 жыл бұрын
Are these measurements for the USA band plan 146 to 148
@mikemcdonald7441
@mikemcdonald7441 2 жыл бұрын
Yes they are.
@peterwilliams5597
@peterwilliams5597 2 жыл бұрын
I made one of these a few years ago It tunes well and works well mounted above the roof line on my house. The only downside is that the pipe wall is thin and it does flex in the wind. This causes the SWR to move during operation.
@buddhistsympathizer1136
@buddhistsympathizer1136 3 ай бұрын
Maybe it would be an idea to put a cane or dowel rod in the centre to give the pipe a bit more rigidity? I don't think it would alter the operation of the antenna.
@GaryNaese
@GaryNaese 2 жыл бұрын
Why wouldn't you just use the center conductor of the RG58 antenna cable measured out o the proper length instead of soldering a piece of 14 ga wire in? it would seem to me one less joint to possibly fail. Just curious.
@mikemcdonald7441
@mikemcdonald7441 2 жыл бұрын
I guess you could I haven’t tried that way but it would be interesting to see.
@naldrus6418
@naldrus6418 2 жыл бұрын
Can you use that or put that on the roof for long use?... And how many watts can It handle... Sorry for my english am an Asian guy
@peterwilliams5597
@peterwilliams5597 2 жыл бұрын
I am pushing 25 watts thru mine (mount on the roof ... but the SWR moves about if the wind flex’s the pipe.
@washingtonstatepicker3460
@washingtonstatepicker3460 2 жыл бұрын
Very nicely done! I am confused at how the fold does anything without being connected to the coax?
@mikemcdonald7441
@mikemcdonald7441 2 жыл бұрын
From what I understand it acts like a choke.
@LunaErosStudios
@LunaErosStudios 2 жыл бұрын
There is no way that it 1" pipe. It looks like 2". The paper you got the plans from says 1" (25mm) but 1" is about the length of the end of your pointer finger and that pipe looks to be double that. I really hope you did use 2" and got those results because I just happen to have a 4' long 2" pvc pipe I want to use to make this since I just got an old Kenwood TR-7800 in mint condition I want to use it on. Plus I could use it on my dual band HT as well.
@mikemcdonald7441
@mikemcdonald7441 2 жыл бұрын
It is actually one inch pipe.
@nativetexan9776
@nativetexan9776 3 жыл бұрын
I have a question. What does it look like when it is finished? Some have never seen a flower pot antenna. I see no flower pot.
@mikemcdonald7441
@mikemcdonald7441 2 жыл бұрын
I left mine as you see them. Others I have seen Alsace places them in pots and disguised them as plants.
@stevesmyth4982
@stevesmyth4982 3 жыл бұрын
LOL @ 4:00 get a guard for it!
@mikemcdonald7441
@mikemcdonald7441 3 жыл бұрын
Yeah no doubt right?
@fokusdeutsch3672
@fokusdeutsch3672 3 жыл бұрын
Thank you for making this video, Mike. I saw your comment on an Easy German video about being an officer and now wanting to learn German. I am also learning German, but not purely out of interest. You see, I am in high school in India and want to go to Germany. I don't know why I'm writing this here, but anyway, good luck (Viel Glück)!
@johncranford2891
@johncranford2891 3 жыл бұрын
good job !
@Scif64
@Scif64 3 жыл бұрын
great idea Mike, i live in compromised location with no outdoor antennas permitted and i was thinking of making 450 ladder line slim jims, but this look like a good idea also for me situation. 73s
@mikemcdonald7441
@mikemcdonald7441 3 жыл бұрын
the thing about this one is you can paint it to look like a plant if you want!
@reidlanham2011
@reidlanham2011 3 жыл бұрын
Great video!
@mikemcdonald7441
@mikemcdonald7441 3 жыл бұрын
Thanks!
@JIMMYJREVIEWS_thaiM-A-F-I-A
@JIMMYJREVIEWS_thaiM-A-F-I-A 5 жыл бұрын
When you fall and get mad at it , will you sell it to me🤝😊
@mikemcdonald7441
@mikemcdonald7441 5 жыл бұрын
JIMMY.J REVIEWS no way my friend I like it too much! 😁😁
@themfu
@themfu 5 жыл бұрын
Nice DIY fender you made. Getting my OW tomorrow. Looking for a trail like yours here in Seattle.
@busload_uk
@busload_uk 5 жыл бұрын
Great vid! Have you ever fallen off? I just bought one, and I’m pretty cautious but I’m scared of ‘nosedives’.
@mikemcdonald7441
@mikemcdonald7441 5 жыл бұрын
aldentesolo thanks I got thrown once the second day I had it. I caught the edge of a driveway. I have had the pushback a few times don’t ignore it.
@carolinacheapo9390
@carolinacheapo9390 7 жыл бұрын
I thought I was the only one to ever find that type of spray nozzle. The other three I have are the regular twist kind. Cool, and nice video. GL & HH & have fun
@RockyMountainProspectorRyan
@RockyMountainProspectorRyan 7 жыл бұрын
Good video mike!
@mikemcdonald7441
@mikemcdonald7441 7 жыл бұрын
thanks Ryan.....you kinda vanished.....
@RockyMountainProspectorRyan
@RockyMountainProspectorRyan 7 жыл бұрын
Mike McDonald I've been working my tail off. I haven't had much free time to detect. I did find a 1943 merc this week though in West Point.
@mikemcdonald7441
@mikemcdonald7441 7 жыл бұрын
Rocky Mountain Ryan nice....that was my first time out in a while.
@CrossBow206
@CrossBow206 7 жыл бұрын
great video thanks for sharing
@RockyMountainProspectorRyan
@RockyMountainProspectorRyan 8 жыл бұрын
Very cool video!