[Yaesu] Noise blanker recommendations

Sun Nov 12 18:45:20 EST 2017

A light sensor on a light pole makes that sequence...
Jerry. W3cde
Sent from Yahoo Mail on Android 

 On Sat, Nov 11, 2017 at 7:19 PM, George K5KG via Yaesu<yaesu at mailman.qth.net> wrote: John, check out the Yaesu FTdx5000.  It has an awesome receiver with excellent noise reduction features.  Overall very good specs.  
Read the QST review of the 5000.  It’s available in the reviews archive on Arrl.com.
73, George K5KG
Sent from my iPhone
> On Oct 23, 2017, at 00:58, Jim Harris via Yaesu <yaesu at contesting.com> wrote:
>> John,
> Don't rule out the unoccupied house.  I had a problem something like you describe.  Long story made short.....it was a door bell transformer from a house diagonally behind us.
> Contact your local electric supplier.  They likely have someone assigned to handle complaints like yours.  If they find a transmission line problem they likely can get it fixed.  If they pinpoint it to a house it probably will be up to you to work a fix with the owner.  The voice of experience here.
> Also, some radio clubs have someone with the skills to help.  Give them a try too.
>> As others have said here a noise blanker or DSP probably will do little to take it out.
> Good luck and let us know how it works out.
> Jim. W0EM
>>      From: John Geiger <af5cc2 at gmail.com>
> To: yaesu reflector <yaesu at mailman.qth.net>; yaesu at contesting.com 
> Sent: Sunday, October 22, 2017 8:54 PM
> Subject: [Yaesu] Noise blanker recommendations
>> I was making a rather serious (given my small antennas) effort today in the
> Illinois QSO Party and had to deal with this intermittent noise I have here
> for pretty much the entire contest.  It is a raspy, hash type noise that
> will be on for 2 or 3 seconds, then will end, but come back every 20 to 30
> seconds.  I  have figured out it is not in my house, and doesn't seem to be
> power line noise.  At one time I thought I had localized it to a house
> about 4 houses to the west of me, but the house is now unoccupied, but the
> noise is still there.
>> Anyways, I was using the Kenwood TS950SD which I just picked up, and it is
> a great rig with lots of receiver tools.  The noise blanker pretty much
> knocked out the noise, but it also produced plenty of IMD products when the
> band got busy and put a raspy sound on many of the signals, so I was having
> to turn the NB off and on trying to make the signals as best as I could
> with this noise.  Even engaged the attenuator a few times on 40m which
> helped a little, but also weakened signals.
>> I have had a slight windfall recently and can afford to get a newer, better
> rig if I want.  Are there any recent Yaesus that have noise blankers that
> take out many different types of noise, but don't mess with the receive
> signals and receiver dynamic range?  I wonder if the DSP based noise
> blankers are better?  An older rig would be ok also if it would meet those
> criteria.
>> 73 John AF5CC
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