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Re: A new FC-40 group ?
¿ªÔÆÌåÓýI have no fc 40 BUT an fc1000 by yaesu,,,, I had some spare room in it and put a 1:4 balun on the output side ¡. Now with a jumper wire I can switch that balun in and can tune dipoles, loops or other things that the mobile tuner otherwise could not handle You can not put the balun on the input side (but coiling up a few feet of the coax does help a bit) cause you have a second device (control head) on the trx side that is grounded at the trx so you can not just make a current balun on the inside like with an sgc tuner ¡. Many many manufacturers build (manual) tuners with a 1:4 on the outside so I thought to try it out on a fieldday with different antennas¡. If you have an autotuner (regardless what others say and regardless what manufacturer) just try it out with an external balun on the output side If the tuner can not tune it on a band or two just make the ladderline or the antenna a few feet longer (or shorter) and make another try on all bands ¡. With that setup /the tuner with balun) I can now tune on any band with a pushbutton ¡ That worked on fieldday with different dipoles (all ladderline fed) and on my fullsize loop at home¡. I would like to hear more of different setups from others ¡.. What did you try with your yaesu tuner? What length of antenna worked what lengths should be avoided? Did you make any mods on your tuner? What mods?? I am also thinking about changing some of the larger coils in the fc1000 ¡..better q > lower losses > can handle more power ¡. That is what I hope I also made a small mod in the controlhead of the fc1000 I have a swr meter with led built in cause in the control head there was also some spare room (I like mods that can fill the spare room that the manufacturer left hi hi ) What did others do with their rigs and tuners?? Greetz and 73 Dg9bfc Sigi Ps: on my fc901 manual tuner I also put a 1:4 in and changed the bandswitch to a unit with more contacts (warc bands) but that¡¯s another story J |
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Re: A new FC-40 group ?
raimo
Hi Ken.
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I tried to contact moderators and owner but no success. Not contacted to Yahoo. There is new group: Yaesu-Autotuners. It is controlled by the owner F5PSR, Cedrick. All messages has to be approved by him, so the group will be spam-free. Just join that group, nice to get you there. I am just member (internet is taking too much my time..). When I have some more time I will copy all my FC40 info there. After long winter I finally reached my "Wire-Farm" at cottage, connected FC40 to FT897, but it is not tuning anymore. When pressing rig tune button ther comes "wait" info to screen but nothing happening. Then opened tuner and found some voltages. Right now time problems but later will start testing again. 73s de rami, oh6bi --- In YaesuTuner@..., "girtab" <klhutch@...> wrote:
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Re: A new FC-40 group ?
girtab
--- In YaesuTuner@..., "kc5cqw" <kc5cqw@...> wrote:
In spite of owning an FC-40 I don't hang out here much. Just dropped in today to find a lot of spam and this thread which is certainly justified. I guess the list owner has gone missing? If he/she ever bothered to appoint any moderators they must have gone missing too. Yet there is some content here that would be missed if we lost it. Does anyone know if YahooGroups policy allows group members to take over a group that has been abandoned by its creator? If they do I would propose we take over this group, purge the spam that is still resident in the web based group archive, and change the membership policy to require that first posts be moderated so that spammers can be eliminated. They hardly ever bother to make an on topic post to evade this simple anti-spam policy, they just move on to groups with no protection. Like this one! Any interest or have you all already left? Of course it won't matter if YahooGroups will not allow group members to seize an abandoned group. Ken |
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The new Yaesu autotuners is born !
Hello everybody,
I just started on the new group. So I have got a lot of things to do improve it is just the begining and I'm interested in any kind of ideas. The link to reach the group home page is: I hope a lot of users would be interested in trying it. Following the idea given by Carl, KE1EJH, I called it Yaesu autotuners. And there, as here (!), we'll be able to discuss about any kind of Yeasu autotuners or automatic antennas. Please join it, try it and make you feel at home... to stay ! 73 - Cedric F5PSR |
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Re: A new FC-40 group ?
Martin Watson
--- On Thu, 8/4/10, kc5cqw wrote:
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Re: A new FC-40 group ?
kc5cqw
I second this motion. All in favor say "I".
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--- In YaesuTuner@..., "k8nxx" <n4cla@...> wrote:
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Re: A new FC-40 group ?
Carl Davis
Hi Cedric, I also have a FC-40 and ATAS-100 along with a FC-30. Are we looking to make a new group to keep the spammers out? May be Yaesu-Autotuners and have key words that would include all the models in the description of the group. I don't know if it would increase the amount of postings by members but I think a lot of the lurkers would still find the files and posted info helpful.
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Carl, KB1EJH --- On Wed, 4/7/10, C??dric <supercontroleur@...> wrote:
From: C??dric <supercontroleur@...> |
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Re : Re: A new FC-40 group ?
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Re: A new FC-40 group ?
raimo
Hi Cedric.
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Only Problem I can see is the language. .. Somehow I can write and read English but French not at all. My position will be just as a member, I am using already too much time in the web. 73s de rami, oh6bi --- In YaesuTuner@..., C??dric <supercontroleur@...> wrote:
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A new FC-40 group ?
Hello everybody,
I'm Cedric, my call is F5PSR, I'm a FC-40 and ATAS-100 owner. I don't write here but as I spend a lot of my time on the Web (I'm moderator on others french groups) I propose to create a new group on Yahoo as it seems there is no more moderator here. Tell me if you are interested in this idea or not. If you are OK, tell me also the title you would like to have on this new group. 73 - Cedric f5psr |
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Re: Seriously?!
raimo ilkka
Hello FC-40 users. ( I dont mean these spammers !!)
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I tried to sen kindly notes to owner but his email address doesnt exsist anymore. If looking member list there can be found two moderators. Only one address is working but no any reply. If nothing happens after while I will quit. Anyone good ideas for alternative list,,, or if somebody wants to start new ?? 73s es GL de rami, oh6bi --- On Tue, 6/4/10, kc5cqw <kc5cqw@...> wrote:
From: kc5cqw <kc5cqw@...> |
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Re: FC-40 Mobile/
kc5cqw
It looks like you have it covered except...
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What are you using for a mount? Isolation from ground here is critical. Take a look at my posted pictures; I use a Breedlove HF Insulator. Well worth the $40. You need a high voltage dielectric with very low capacitance. This setup can produce upwards of 10's of kilovolts! I added a cap hat just incase; it seems to help. Personally, I haven't made a contact on 40m yet. My estimation is that I only have about 25-40% efficiency on 40m. Probably less... I haven't dedicated any significant time in figuring the numbers. My setup tunes from 7.1MHz up to 6m just fine. Feel free to contact me for further info if needed: my call at gmail dot com --- In YaesuTuner@..., "kd4hri" <mark@...> wrote:
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Re: FC-40 Mobile/
¿ªÔÆÌåÓýYears ago i had a fc1000 in my car (rf wise almost like the fc40) Problem in almost al setups is rf isolation on the lower bands ¡. A short whip becomes more and more impedance on the feedingpoint several hundrets to thousands of ohm A military whip with its foot was the solution ¡ 3.5 megs with a 2.5m whip ¡ no problem Topband with a 5m whip bent over the car in a bow form ¡ If you find no match on a band (40 you said) why not bring a capacitive hat to the whip Better as a coil (lower loss) Dg9bfc Sigi ? ? Von:
YaesuTuner@... [mailto:YaesuTuner@...] Im Auftrag von kd4hri ? ? Is anyone else using the fc40 mobile to drive a whip? |
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FC-40 Mobile/
kd4hri
Is anyone else using the fc40 mobile to drive a whip?
I have my FC40 mounted onto the spare tire bracket of my RAv4. It is connected to a 1/4 CB whip (only 2-3 inches of wire between.) The ground on the FC-40 is directly connected to the ground of the vehicle and all part of the vehicle and bounded together by grounding straps. Each lead into the radio, antenna control, mike, remote head,and speaker, has an RF choke on that wire. Works great on 30-6 meter, but will not tune 40m. If I add 6 feet of wire to the tip of the whip, it will tune 40m NP. Questions: 1. Anyone have this set up working on 40m? 2. Yaesu's whip for the FC-40 is 8.2 feet long, the CB whip is 9'. Should I trim the whip back to 8.2 feet? 3. Should I ground strap the spare tire itself? 4. Anyway to add 'length' without having a trail 6 feet of wire off the end? A capacitor across the FC-40 terminals? A small coil between the FC-40 and the whip? Also, 17m will tune, but compared to 30,20,15,12,10 and 6, it seems to have higher (1.7 to 1.9) than the other bands (less than 1.5 all) |
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About Our List
raimo
Hi All.
I sent messages to this list owner. Looks like Owners mail address is not anymore working. So I checked moderators and sent below copied message to them: --------------------------------- Hello William ! I am member of your group. I found from member list that you are the list owner. For me list is ok even not so many posts, I am a bit lazy for reading long stories... Some time ago there joined members who are intrested other things than antennas and FC40, posting "nice links". If this continues, very soon our list will be difficult to read. Maybe virus-links etc. I am kindly asking you to remove those messages and members. So that we can keep this place for our tuning infos. Summer is soon coming here and I will start again my antenna/FC40 tests. Would be nice to have this group to send my data. 73s de rami, oh6bi |