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Re: [Yaesu] Noise blanker recommendations

To: "sq7d@onet.pl " <sq7d@onet.pl>
Subject: Re: [Yaesu] Noise blanker recommendations
From: sq7d@onet.pl
Date: Mon, 23 Oct 2017 11:05:57 +0200
List-post: <mailto:yaesu@contesting.com>
https://www.youtube.com/watch?v=yAwop_nj p4M&t=80s

correct url
---

 Hallo



Here is a sample of NB from 9000D on 80m with dipole (quiet) and vertical 
(noisy)







https://www.youtube.com/watch?v=yAwop_nj p4M&t=80s







Matt SQ7D/SN7D

---







 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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