Topband: In search of resonance

Pete Smith N4ZR n4zr at contesting.com
Fri Jan 31 06:51:07 EST 2014


On 160, that is.

73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite
ARC V6 or VE7CC DX cluster node.

On 1/31/2014 6:27 AM, Pete Smith N4ZR wrote:
> To my amazement, a 5000-watt AM station on 1550 KHz 5 miles away is 
> enough to clobber my MFJ-259's usefulness during the day. Fortunately 
> they drop to 6 watts at local sundown (what do you suppose that is, a 
> single 6L6?)
>
> 73, Pete N4ZR
> Check out the Reverse Beacon Network at
> http://reversebeacon.net,
> blog at reversebeacon.blogspot.com.
> For spots, please go to your favorite
> ARC V6 or VE7CC DX cluster node.
>
> On 1/30/2014 9:22 PM, chetmoore wrote:
>> Thanks for this tidbit of information.  As soon as this white manure 
>> melts
>> (some people call it snow)   I will do a re-check on my shunt fed 
>> tower.  I
>> think I did have at least one  dip to zero and never did find a 
>> resonance
>> point.
>>
>> Thanks
>>
>> Chet N4FX
>>
>> -----Original Message-----
>> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of 
>> Tom W8JI
>> Sent: Thursday, January 30, 2014 1:34 PM
>> To: Tree
>> Cc: 160; Carl Braun
>> Subject: Re: Topband: In search of resonance
>>
>>
>>> You might be dealing with AM BCB being detected by the meter - and
>>> masking what you are looking for.
>>>
>> No, because he gets a dip to zero reactance.
>>
>> If that happens anywhere, there is no BCI.
>>
>>
>> 73 Tom
>>
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