DX Commander Lite ABV The Best DXC Mobile Antenna to date from DX Commander.

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Mike-M0MSN

Mike-M0MSN

Күн бұрын

Пікірлер: 49
@pauldobson8421
@pauldobson8421 Жыл бұрын
Love your work on Antennas.👍 I keep looking for the insects antennae … My OCD is resonating 😂 The plural noun form of “antenna” comes in two flavors: “antennas” and “antennae.” If you look up antenna in an English dictionary, you'll see that the plural, antennas, is used to refer to electrical instruments, and antennae, to the protuberances found on the heads of insects.
@mike-M0MSN
@mike-M0MSN Жыл бұрын
👍
@PrimulaCarniolica
@PrimulaCarniolica 4 жыл бұрын
Nice job & TNX for all other ideas (in metric) and videos!!! And yes,simplicity is still the best. Great example is that DX Commander vertical from Callum. Light,mobile,low cost,portable...Best wishes & take care!
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Thanks
@G1WHP
@G1WHP 4 жыл бұрын
Nice job good to see others using such a versatile antenna. I can’t understand why people can’t see the benefits and spend a small amount of cash for such rewards. 👍🇬🇧👍🇬🇧👍
@m3hnl
@m3hnl 4 жыл бұрын
i use the hustler 5btv. and they recommend you start to tune the antenna at the 10 metre trap first and go that way it s the only way i would go
@MrMesospheric
@MrMesospheric 4 жыл бұрын
Those wing nut/ring connectors at the base need some reworking. The wire and/or connectors will soon fatigue with a 90-degree bend like that. Maybe folding up the corners of the plate would be the easiest solution, or adding 90-degree connectors of some sort. A steady SWR of 2:1, regardless of frequency, indicates interaction and not a very good outcome!
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
I have not had much of an issue with the connectors on any of the DXC bases over the passed 2 years but I except your point, as with the interaction, yes I think you are spot on with that one, thanks for your observations..
@dheller777
@dheller777 4 жыл бұрын
It would be nice to see what the swr was at both the bottom and the top of each band.
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
dheller777 yes sorry, the SWR remains within ..2 of the centre so the highest SWR is still below 1:1.5
@dheller777
@dheller777 4 жыл бұрын
@@mike-M0MSN Thanks. I have the DX Commander all band vertical but my swr is much higher than yours on all bands.
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
@@dheller777 Hi , Ground radials increase the number and length of some of these if you have room, I have found that the best SWR results are gained then you have one or two half the length of the longest element.
@dheller777
@dheller777 4 жыл бұрын
@@mike-M0MSN I have about 40 radials about 3.5 meters long. Half of them are buried and the other half laying on the ground as I really don't have the room to bury them.
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
@@dheller777 Hi, you have about the same number as I have, some of mine are 5mtrs long (around 10).. Not sure why yours is not SWR'ing as low there are many factors. Buildings, soil, other antenna, metal posts, fencing etc. I wish you luck..
@knikk77
@knikk77 4 жыл бұрын
If you have 40 meters it is also resonant on 15m. I have a 80/40/20/10m fan dipole, I don't have a problem with the 10m band. But maybe this is different on a vertical antenna?
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
normally 17 & 10m is not an issue but for some reason, maybe due to the linear loading of the 40m, it is not working (as well as it should) yet.
@MW6PNW
@MW6PNW 3 жыл бұрын
Hi Mike, what’s the pole you’ve used in the ground as I’m planning similar so I can bury everything except the feed to stop the dog having something to chew on. Plus could you tell me the width and length you’ve got above ground. Cheers Mike. Paul M6PNW
@mike-M0MSN
@mike-M0MSN 3 жыл бұрын
Decorators fibreglass paint roller pole
@dback4430
@dback4430 3 жыл бұрын
Is there a formula for the fold back or just trial and error ?
@mike-M0MSN
@mike-M0MSN 3 жыл бұрын
For me it’s trail and error
@RolyRJ
@RolyRJ 4 жыл бұрын
What wire are you using for the elements.?
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
RolyRJ Hi Roly, 1mm flex 230v, RS appliance wire 803-4183. Mx-2.9/100 red PVC coated.
@RolyRJ
@RolyRJ 4 жыл бұрын
@@mike-M0MSN Thought so. That accounts for the slight difference in the lengths compared to D10.... :)
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
RolyRJ yes the velocity factor is closer to 90% where the dx10 is around 94% I think.
@PrimulaCarniolica
@PrimulaCarniolica 4 жыл бұрын
Just thought Mike. Did you ever try a 10m pole from Callum and vertical for 40m with some elevated radials?? TNX to share and all your measurements are 100% (tested).👍😉👌
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Not yet!
@swadeyboy5675
@swadeyboy5675 4 жыл бұрын
Mike, i have scoured various forums for an answer to a query i have. Has anyone added a 11mtr element to a DX commander or would it cause problems to the other bands🤔. Could be a project for the next lockdown
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
NO I have already done this (27mHz) and got a 1:1.2 SWR across the band. :)
@swadeyboy5675
@swadeyboy5675 4 жыл бұрын
@@mike-M0MSN Thanks Mike. Was there a video or any measurements. Swadey M0JGA
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
@@swadeyboy5675 No Video yet!!! but you have given me an idea...:)
@swadeyboy5675
@swadeyboy5675 4 жыл бұрын
@@mike-M0MSN. 👍Us old CB boys just keep on trying. Keep up the good work. Ps. My 2m/70cm flowerpot works great another great video of yours.🤩
@RolyRJ
@RolyRJ 4 жыл бұрын
Nice job Mike, looking good. So................ you are just about ready to go on a DX-pedition with me out in the Pacific somewhere then :)
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Count me in :)
@RolyRJ
@RolyRJ 4 жыл бұрын
@@mike-M0MSN I am off to Niue Island (E6AR) as soon as we get the 'all clear' to travel. Then, I have to get back to Papua New Guinea (P29RR), Cook Islands (E51RR) and Tonga (A35RR) to do a truck load of repairs and maintenance asap. Hence the development of the DX-Commander Expedition model. I use two of them now days phased for 40mtrs, works gang busters for sure. Cheers - ZL1BQD
@G1WHP
@G1WHP 4 жыл бұрын
Ooh now this sounds good. I fancy a bit of excitement, I better get my passport updated ASAP........
@pd1jdw630
@pd1jdw630 4 жыл бұрын
Good video. Thanks for sharing. 👍🏻👍🏻
@Andersonllopestv
@Andersonllopestv 4 жыл бұрын
Excelente, muito bem construído e fácil de fazer, 73
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Muito obrigado
@stevanalp
@stevanalp 4 жыл бұрын
Hi Mike, I’m struggling a lot to make a 40m element to work like this... I’ve made exactly the same like you in this video and it still doesn’t work at all. I’ve tried different lengths before, also with no success. I’ve even made a top spacer as you suggested in other video with Cal and Roly. I’m using 7m pole, 30 radials, 5m long. What could be my mistake? Please help. Thank you.
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Hi yes I had the same issue, you need one extra ground radial of 10 to 20m in length to balance the 40m. Try it and let me know...👍
@stevanalp
@stevanalp 4 жыл бұрын
@@mike-M0MSN Great, thanks! I will... 73
@paulhastings3109
@paulhastings3109 4 жыл бұрын
Nice how well does it work vertical. ✌🇺🇲
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Very well indeed, still prefer the classic (home use), but for mobile use it's the best.
@krisraps
@krisraps 4 жыл бұрын
Can I Somehow Contact You On Discord Or Skype Please? I Have So Many Questions To Ask You That I CANT Figure It Out My Friend.
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Yes I am on the DX Commanders Discord group.. :)
@birdy7925
@birdy7925 4 жыл бұрын
Over rated cheap tat
@mike-M0MSN
@mike-M0MSN 4 жыл бұрын
Birdy mate, don’t be so hard on yourself.
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