[Elecraft] KX3 with BL2 Question

[Nr4c]

You can also tie an underwriters knot at the split point. 

Actually 67 feet twice makes a 135 foot dipole for 80 meters, not 40. 


Sent from my iPhone
...nr4c. bill


> On Oct 4, 2017, at 10:35 AM, rich hurd WC3T <rich at wc3t.us> wrote:
> 
> Would not a bnc-to-banana plug adapter hooked to a doublet made from 100'
> of zip cord be equally useful?   Is there even a reason to have a balun
> in-circuit?   I've read the characteristic impedance of the zip cord (or
> speaker wire, etc.) is about 75 ohms.  If you "unzipped" 67 feet or so and
> put on a tie wrap (to avoid further unzipping), you'd have a quite
> serviceable 40 meter dipole with an SWR of 1.5:1 or so.
> 
> ---
> 72,
> Rich Hurd / WC3T / DMR: 3142737
> PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
> for Scouting
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> 
> 
>> On Wed, Oct 4, 2017 at 10:00 AM, Don Wilhelm <donwilh at embarqmail.com> wrote:
>> 
>> Stan,
>> 
>> Either of those options will work - however ---
>> I would suggest minimizing the coax.  The balun will not transform to a 50
>> ohm load, so the coax can run at a high SWR which will give more loss than
>> the window line.
>> 
>> Whether that minimum is zero or 5 feet will not make a significant
>> difference, so use whatever is convenient for your station.
>> 
>> 73,
>> Don W3FPR
>> 
>>> On 10/4/2017 9:26 AM, stan levandowski wrote:
>>> 
>>> When operating a KX3 with the internal ATU into a window line fed doublet
>>> through a BL2 balun, what is the preferred connection method:
>>> 
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