I don't keep up with all the changes in technological lingo, but is the
word "troll" still in use?
Just curious and willing to be proven wrong.
Steve KW3A
On 10/10/2014 4:02 PM, Joe Quinn wrote:
> How do you make them? What's the difference between a jPole and a diPole?
>
> Sent from my iPhone
>
>> On Oct 10, 2014, at 1:48 PM, Colin McDonald <[log in to unmask]> wrote=
> :
>> =20
>> You may get slightly better performance by putting it out the window.
>> That said, if you have aluminum window frames this could cause problems wi=
> th=20
>> SWR if the metal part of the antenna touches it or is in close proximity.
>> There are many antennas that work on most HF bands, however they are very=20=
>
>> large verticals, or very long dipoles.
>> For instance, I have a carolina windom wire antenna that is 132 feet long,=
> =20
>> with a 26 foot vertical radiator that hangs down from it.
>> I also have a 6 band vertical that covers 80M through 6M that is 12 feet=20=
>
>> long with 6 4 to 5 foot horizontal elements.
>> This vertical is more or less useless on 80M and 40, but works OK on 20M,=20=
>
>> 15M and 10M given good band conditions.
>> A vertical that performs OK on the lower frequencies would be at least 31=20=
>
>> feet, and usually 43 feet or more if you want to be able to use it=20
>> consistently
>> The smallest antenna that would cover most HF bands that I've seen is a=20=
>
>> mobile screw driver type antenna which is about 6FT long...but again, the=20=
>
>> lower frequencies are not usable on it.
>> =20
>> Antennas are not expensive if you make them, but can get pricy if you buy=20=
>
>> them.
>> =20
>> 73
>> Colin, V A6BKX
>> --------------------------------------------------
>> From: "Joe Quinn" <[log in to unmask]>
>> Sent: Friday, October 10, 2014 11:49 AM
>> To: <[log in to unmask]>
>> Subject: Re: HF antenna fun
>> =20
>>> What if you put it out of the window, would it work any better? Also, are=
> =20
>>> th=3D
>>> ere any antennas that work on all hf bands?
>>> Also are antennas expensive?
>>> =20
>>> Sent from my iPhone
>>> =20
>>>> On Oct 10, 2014, at 12:11 PM, Colin McDonald <[log in to unmask]>=20=
>
>>>> wrot=3D
>>> e:
>>>> =3D20
>>>> you will get just limited performance on 20M and up in frequency.
>>>> You will get basically no performance on bands down in frequency from 20=
> M=20
>>>> o=3D
>>> r=3D20
>>>> 14MHZ
>>>> If you have stations very close by on 40 or 80/75M you may be able to=3D=
> 20
>>>> participate in round tables...again, if they are very close indeed...as=20=
>
>>>> in=3D
>>> ,=3D20
>>>> within 2 or 3 miles
>>>> If band conditions are extremely good, you may make an occasional contac=
> t=20
>>>> o=3D
>>> n=3D20
>>>> 20M, 15M or 10M bands.
>>>> You will have RFi issues, and you will have noise problems making=20
>>>> receivin=3D
>>> g=3D20
>>>> difficult at best.
>>>> Not trying to discourage you at all, but you need to be aware of the=20
>>>> sever=3D
>>> e=3D20
>>>> limitations of an indoor apartment style HF antenna.
>>>> They very seldom work for anything other than limited receiving on HF.=20=
>
>>>> Mo=3D
>>> st=3D20
>>>> guys who use HF in an apartment can get the antenna outside on the=20
>>>> balcony=3D
>>> =3D20
>>>> or something...this at least gets the radiator outside the building.=20
>>>> The=3D20=3D
>>> =20
>>>> building is full of metal and all sorts of stuff that blocks RF from=20
>>>> getti=3D
>>> ng=3D20
>>>> in or out, along with electronics that create high noise level on=20
>>>> receive=3D20=3D
>>> =20
>>>> making it difficult to copy stations.
>>>> I had limited success using a hamstick style mono-band mobile antenna=3D=
> 20
>>>> clamped to the balcony railing on the fourth floor for a couple years.
>>>> It got me on 20M and 40M, but barely... I didn't make any contacts at=20=
>
>>>> all=3D20=3D
>>> =20
>>>> unless the band conditions were very very good.
>>>> Unfortunately, this is one of those things where there is no way=20
>>>> around=3D20=3D
>>> =20
>>>> it...the wheel has been invented, and reinvented on indoor HF antennas=20=
>
>>>> and=3D
>>> =3D20
>>>> while manufacturers still make them and claim all sorts of fantastic=3D2=
> 0
>>>> results, at the end of the day, they just don't work well.
>>>> That said, if you are located on the beech in florida or some other=20
>>>> south=3D20=3D
>>> =20
>>>> eastern State, you may find you have reasonable performance even with=20=
>
>>>> an=3D20=3D
>>> =20
>>>> indoor antenna. Angle of radiation, propagation and other factors come=20=
>
>>>> in=3D
>>> to=3D20
>>>> play making the circumstances more conducive to success.
>>>> That said, the best part about ham radio is that if you try something,=20=
>
>>>> you=3D
>>> =3D20
>>>> may find you have results that don't match up to the accepted theory=20
>>>> or=3D20=3D
>>> =20
>>>> experience of others.
>>>> So, try it and see what happens.
>>>> Another antenna to check out might be the MFJ loop antenna...a bit=20
>>>> more=3D20=3D
>>> =20
>>>> money, but they work well even inside buildings, at least better than=20=
>
>>>> your=3D
>>> =3D20
>>>> typical vertical.
>>>> =3D20
>>>> 73
>>>> Colin, V A6BKX
>>>> --------------------------------------------------
>>>> From: "Joe Quinn" <[log in to unmask]>
>>>> Sent: Friday, October 10, 2014 10:17 AM
>>>> To: <[log in to unmask]>
>>>> Subject: Re: HF antenna fun
>>>> =3D20
>>>>> Mfj1622 apartment antenna, lest you see something better
>>>>> =3D20
>>>>> Sent from my iPhone
>>>>> =3D20
>>>>>> On Oct 10, 2014, at 10:20 AM, Jim Shaffer <[log in to unmask]> wrote:
>>>>>> =3D20
>>>>>> I see a bunch of antennas here. Specifically, what antenna is it?
>>>>>> =3D20
>>>>>> -----Original Message-----=3D20
>>>>>> From: Joe Quinn
>>>>>> Sent: Friday, October 10, 2014 10:00 AM
>>>>>> To: [log in to unmask]
>>>>>> Subject: Re: HF antenna fun
>>>>>> =3D20
>>>>>> Here's the link, tell me what you think=3D3D20
>>>>>> http://www.mfjenterprises.com/Product.php?productid=3D3D3DMFJ-1622
>>>>>> =3D20
>>>>>> Sent from my iPhone
>>>>>> =3D20
>>>>>>> On Oct 10, 2014, at 9:24 AM, Butch Bussen <[log in to unmask]>=20
>>>>>>> wrote=3D
>>> :
>>>>>>> =3D3D20
>>>>>>> I didn't see a link to your antenna. Keep in mind, anything smaller
>>>>>>> is=3D3D20=3D3D
>>>>>> =3D20
>>>>>>> a compromise antenna. Not to say it is bad, just be ware. A dummy
>>>>>>> load=3D3D20=3D3D
>>>>>> =3D20
>>>>>>> will load up on all bands, but doesn't radiate worth a damn. I had
>>>>>>> one=3D3D20=3D3D
>>>>>> =3D20
>>>>>>> of those b and w 160 through ten antennas, looked goot on swr meter,
>>>>>>> but=3D3D20=3D3D
>>>>>> =3D20
>>>>>>> was a very poor performer. It is basicly a folded dipole, 50 foot or=
>
>>>>>>> so=3D3D20=3D3D
>>>>>> =3D20
>>>>>>> each side of center, right above the center insolator or balon is=3D3=
> D20
>>>>>>> another box which is actually a resister which is why it matched=20
>>>>>>> so=3D3D2=3D
>>> 0
>>>>>>> well. I called it my dummy load with wires. I'd ask about=20
>>>>>>> putting=3D3D2=3D
>>> 0
>>>>>>> something up out side and go from there. Can you get any local hams
>>>>>>> or=3D3D20=3D3D
>>>>>> =3D20
>>>>>>> club involved to lend you a hand to see what might be done?
>>>>>>> 73
>>>>>>> Butch
>>>>>>> WA0VJR
>>>>>>> Node 3148
>>>>>>> Wallace, ks.
>>>>>>> =3D3D20
>>>>>>> =3D3D20
>>>>>>> On Thu, 9 Oct=3D3D20
>>>>>>> 2014, Alan R. Downing wrote:
>>>>>>> =3D3D20
>>>>>>>> Hello Joe, Don't get your hopes up too high for this indoor HF=20
>>>>>>>> antenna=3D
>>> .
>>>>>>>> I=3D3D
>>>>>> =3D20
>>>>>>>> think that it is highly doubtful that an antenna that small can work=
>
>>>>>>>> very=3D3D
>>>>>> =3D20
>>>>>>>> efficiently. In addition to poor performance, keep your eye open fo=
> r
>>>>>>>> interference. When you transmit on this small antenna, you run=20
>>>>>>>> the=3D20=3D
>>> =20
>>>>>>>> risk
>>>>>>>> o=3D3D
>>>>>> f
>>>>>>>> getting into all many of electronics, not only in your apartment,=20=
>
>>>>>>>> but=3D20=3D
>>> =20
>>>>>>>> in
>>>>>>>> neighboring units. Keep us posted on how you do.
>>>>>>>> =3D3D20
>>>>>>>> =3D3D20
>>>>>>>> Alan/KD7GC
>>>>>>>> =3D3D20
>>>>>>>> =3D3D20
>>>>>>>> =3D3D20
>>>>>>>> Alan R. Downing
>>>>>>>> Phoenix, AZ
>>>>>>>> =3D3D20
>>>>>>>> -----Original Message-----
>>>>>>>> From: For blind ham radio operators
>>>>>>>> [mailto:[log in to unmask]
>>>>>> ]
>>>>>>>> On Behalf Of Joe Quinn
>>>>>>>> Sent: Thursday, October 09, 2014 9:49 PM
>>>>>>>> To: [log in to unmask]
>>>>>>>> Subject: HF antenna fun
>>>>>>>> =3D3D20
>>>>>>>> I found an antenna that will work inside my apartment. It says=20
>>>>>>>> it'll=3D
>>> =20
>>>>>>>> wo=3D3D
>>>>>> rk
>>>>>>>> f=3D3D3D
>>>>>>>> rom 40-10 meters on hf and six and 2 meters on vhf. It's not huge, s=
> o=20
>>>>>>>> I=3D
>>> =20
>>>>>>>> c=3D3D
>>>>>> an
>>>>>>>> p=3D3D3D
>>>>>>>> ut it outside my window or even indoors clamping it to the desk. Wha=
> t=20
>>>>>>>> I=3D
>>> =20
>>>>>>>> woul=3D3D3D
>>>>>>>> d like to know, is if there is another antenna that would work=20
>>>>>>>> below,=3D20=3D
>>> =20
>>>>>>>> or
>>>>>>>> i=3D3D
>>>>>> s
>>>>>>>> i=3D3D3D
>>>>>>>> t above, 40 meters but that wouldn't be huge, so it would work from
>>>>>>>> insid=3D3D
>>>>>> e
>>>>>>>> m=3D3D3D
>>>>>>>> y apartment. I don't know that I would be able to get permission fro=
> m
>>>>>>>> the=3D3D
>>>>>> =3D20
>>>>>>>> ma=3D3D3D
>>>>>>>> nager to be able to hang out a 60 foot or whatever antenna outside=20=
>
>>>>>>>> of=3D20=3D
>>> =20
>>>>>>>> my
>>>>>>>> apa=3D3D3D
>>>>>>>> rtment window. :-) but I want to be able to work as many HF bands as=
> =20
>>>>>>>> I=3D
>>> =20
>>>>>>>> ca=3D3D
>>>>>> n.
>>>>>>>> A=3D3D3D
>>>>>>>> nybody have any ideas?=3D3D3D
>>>>>>>> =3D3D20
>>>>>>>> =3D3D20=3D20=20
>
>
>
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