That would only work if you fed the antenna in the center. Fed at the
end, impedence would be very high.
73
Butch
WA0VJR
Node 3148
Wallace, ks.
On Thu, 3 May 2012, colin McDonald
wrote:
> well, a 12 foot telescoping whip would be plenty to make a half wave on 6,
> which wouldn't require a ground plain.
> If you have a way of measuring, you could extend the whip out to a half wave
> on six and it should present a decent SWR and resonate not too badly.
> a bit clunky for an HT, but doable I guess.
>
> 73
> Colin, V A6BKX
> ----- Original Message -----
> From: "Ron Miller" <[log in to unmask]>
> To: "'colin McDonald'" <[log in to unmask]>
> Sent: Thursday, May 03, 2012 8:00 PM
> Subject: RE: It's Sporadic E time, Folks!
>
>
>> Thanks Colin. I've got the MFJ 12-foot telescoping Whip. Maybe I can scare
>> up some kind of portable coupler to use the whip against a short ground
>> plane--kind of like a big miracle whip.
>>
>> 73
>>
>> Ron Miller
>>
>>
>> -----Original Message-----
>> From: colin McDonald [mailto:[log in to unmask]]
>> Sent: Wednesday, May 02, 2012 9:57 PM
>> To: Ron Miller
>> Subject: Re: It's Sporadic E time, Folks!
>>
>> hard to find to say the least, at least ones that work well.
>> the problem of course is length.
>> even a quarter wave on 6M is 1.5 meters long, which is something close to
>> 4.5 feet give or take a few inches.
>> A quarter wave on 2m is 19 inches or so...which is quite doable for an HT
>> antenna...4.5 feet is also doable, but not practical really.
>> I suspect you could find some BNC type telescoping antennas designed for
>> 6m...also, you might find something on ebay designed for older 42-50MHZ
>> commercial hand helds that you could cut down a little to operate on 6.
>> I think even those were coil form though, so cutting them down might prove
>> difficult, especially if they are coated with that toxic stuff they used
>> to
>> coat HT rubber duck coils with...burrilium maybe? scratch that stuff and
>> you will definitely get sick.
>> Perhaps a home brew 6M antenna made out of a telescoping whip, a loading
>> coil and a bnc connecter might be the trick here.
>>
>> 73
>> Colin, V A6BKX
>> ----- Original Message -----
>> From: "Ron Miller" <[log in to unmask]>
>> To: "'colin McDonald'" <[log in to unmask]>
>> Sent: Wednesday, May 02, 2012 7:03 PM
>> Subject: RE: It's Sporadic E time, Folks!
>>
>>
>>> I'd love to get a good recommendation for a handheld 6-meter antenna. I
>>> have
>>> the long, maldol 6-70 centimeter antenna but don't think it is a really
>>> great performer on 6 meters, though it is b better than the stock antenna
>>> for the IC-t90, even with the addition screwed on.
>>>
>>> Ron Miller
>>>
>>> -----Original Message-----
>>> From: For blind ham radio operators
>>> [mailto:[log in to unmask]]
>>> On Behalf Of colin McDonald
>>> Sent: Wednesday, May 02, 2012 8:35 PM
>>> To: [log in to unmask]
>>> Subject: Re: It's Sporadic E time, Folks!
>>>
>>> there are a few different HT's that offer 6M FM.
>>> The IC T90A...which isn't made anymore, but is still widely availible on
>>> the
>>> used market.
>>> I think at least the last few VX series of HT's from Yaesu offer 6M fm as
>>> well...IE the VX5 to VX8x.
>>> You definitely have to use a proper after market 6M antenna though as
>>> Mike
>>> says..the stock ducks they offer that are tuned for six, don't resonate
>>> much
>>> of anything on that band.
>>> The ICT90A stock rubber duck has an attachment you can screw on to the
>>> end
>>> of the antenna, called a club...which makes the antenna present a 50 ohm
>>> load to the transmitter, but which doesn't resonate worth crap.
>>> The yaesu FT8900 mobile offers 6 meters FM, as well as 10 meters FM along
>>> with the typical 2M and 70CM bands.
>>> but by the time you buy one of those, you might as well pick up something
>>> like an icom IC706mark IIg that offers SSB on 6 as well as FM.
>>> the band has to be in very good shape to do much on FM, but one can use
>>> SSB
>>> or CW and make contacts without having the band be in perfect condition.
>>>
>>> 73
>>> Colin, V A6BKX
>>> ----- Original Message -----
>>> From: "Harry Brown" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Wednesday, May 02, 2012 2:31 PM
>>> Subject: Re: It's Sporadic E time, Folks!
>>>
>>>
>>>> Hi Pat and all,
>>>> Wow, yall, these storries are awesome!
>>>> Now that yall are talking about 6 meters, is there an ht that will let =
>>>> me work 6 meters?
>>>> That'd be sweet to sit here in my apartment and work all those openings
>>>> =
>>>> on 6!
>>>> Trippy, ac8s
>>>> ----- Original Message -----=20
>>>> From: PATRICK GORMLEY=20
>>>> To: [log in to unmask]
>>>> Sent: Tuesday, May 01, 2012 11:54 PM
>>>> Subject: Re: It's Sporadic E time, Folks!
>>>>
>>>>
>>>> I can remember a field day when we swapped cables on the 6 meter =
>>>> antenna and=20
>>>> all of a sudden we were working cuba, south america, louisiana,
>>>> texas=20
>>>> minnesota, Manitoba and then 2 meters opened up and we worked up and =
>>>> down=20
>>>> the coast from Maine to North Carolina and then both bands shut up =
>>>> rapidly.=20
>>>> I made 60 contacts in an hour on 6 and another 40 on 2 meters. 73- =
>>>> pat kk3f
>>>> ----- Original Message -----=20
>>>> From: "John J. Jacques" <[log in to unmask]>
>>>> To: <[log in to unmask]>
>>>> Sent: Tuesday, May 01, 2012 11:35 PM
>>>> Subject: Re: It's Sporadic E time, Folks!
>>>>
>>>>
>>>> > Hi all, I can still remember shortly after getting my Technition =
>>>> ticket
>>>> > in 1971, I got on 6 meter A M, with a Lafayette HA460, wich put out =
>>>> about
>>>> > 8 watts, from a 2E26 with 20 watts input. I experienced my first =
>>>> band
>>>> > opening with that rig and a 6 meter haylow at about 20 feet. From =
>>>> my QTH
>>>> > in Detroit, I worked W4BAV, Kathy in Sarasota Florida! I don't =
>>>> remember
>>>> > any of the other contacts I made, but I will never forget that one!
>>>> > GRIN!
>>>> >
>>>> > 73:
>>>> > J.
>>>> > John Jacques
>>>> > Amateur Radio Station: KD8PC
>>>> > "Where Cat Is, Is Civilization!"
>>>> >
>>>>
>>>
>>>
>>> -----
>>> No virus found in this message.
>>> Checked by AVG - www.avg.com
>>> Version: 2012.0.1913 / Virus Database: 2411/4974 - Release Date: 05/02/12
>>>
>>
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 2012.0.1913 / Virus Database: 2411/4974 - Release Date: 05/02/12
>>
>
>
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