WA2ZKD
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- WA2ZKD
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Comments
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My error... NAT2
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It did not do what I wanted. I am hoping to run a ssh based tunnel direct to the BB. I can get into the BB with a ssh login OK, so just have to figure out the tunnel details.
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NAT4 Cisco RV325
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I have a page called rx.jimlil.com that is a html page on another server in the farm, it has a link to rx.jimlill.com:8073 which goes to the kiwi
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I think I have it working, will know for sure tmrw and will report
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Browser not the issue. System has a very complex firewall/routing scheme. ssh can get through all of that. I just need to figure out the ssh tunnel.
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What are the ID like NMY-52 I see referenced in some docs?
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I and many others write it in their decsciption
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Linrad has something worth a look. http://www.sm5bsz.com/linuxdsp/usage/newco/newcomer.htm#BLANKER
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I have been trying various combinations of notch freq. and find that I only need 3 notches total. 950, 1280, 1370. Those three TX are less than 2 miles from me!!
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Thanks noticing that upstate NY is not all concrete!! We have 80+ mph winds on 3/15 that knocked down a lot of stuff. We got our power back but then it was followed by 24+ inches of snow. So while the power guys had only < 20F to deal with t…
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My Internet is finally back after 6 days so WA2ZKD is back on rx.jimlill.com:8073
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Even though the notches reduce some adjacent channel signals, the resultant performance is impressive. For example, 1010 (NYC) is nestled between 950 and 1180, both local channels I notch, and I could still receive it. AMBCDX is possible, impossible…
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This was to fix the extreme overload I got from local stations on 950, 1180, 1280, 1370 and 1460.No magic to the design, used 365 pF var. caps and 91 uH inductorsThe 1:4 and 4:1 transformers at the input and outputs raise the Z that the notch filter…
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I have tried a lot of alternative parts in my filter. My goals were: 1- deep enough notch depth on what ended up being 5 AM frequencies2- minimal impact on 160M + up3 - use of parts anyone can buy. I tried using some Mini-Circuit transformers in pla…
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https://www.american-milspec.com/p-3752-acopian-ac-to-dc-power-module-5eb250-25a.aspx Great Price
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You can hook a Kiwi directly to your laptop or router and use it solely for yourself. Far better than any dongle solution and cheaper than say a Perseus or Hack-RF
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What is your budget for HF? What are your antenna constraints?
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source of caps: https://www.tubesandmore.com/products/capacitors?filters=Type%3DVariable
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before you try my system and are disappointed, NO this filter is not online yet. 2nd pass will go online this Friday.
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the caps are 220 pF under the 4:1
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Here 1st pass of my new 4 channel (expandable to to 6) notch filter for AM stations.I used the 365 pF variable caps because that's what any AMBC RX device should have!!Inductors are 91 uHTransformers are 4:1There's a small 200 pF cap tucked in under…
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I agree with the 800 Hz. The even higher tone is why people hated the Collins KWM2 CW
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Ron KA7U: which Linux do you run and since MultiPSK is Windows do you run it in a VM?
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You can fab fixed attenuators for testing using the info here: http://www.nu9n.com/tpad-calculator.html. If you have a antenna system with a preamp, you may have too much gain in general and can use one to reduce the reduce the gain
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Here's my analysis, somewhat after the fact, as I missed the need for a 4th notch! I had a HPF in there before and it totally knock 950 KHz out, so I missed the need for that. Starting from scratch, I replaced the HPF with a variable attenuator set …
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It looks like a simple way to notch thing is to make a trap with a LC that resonates at the interferer's Freq. I see lots of schematics where people simply hang that on the 50 ohm line. Doing it that way limits the Q and thus the narrowness and de…
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enough stress and it still freezes however... I had 2 WSPR running and some non-wspr guests added enough were enough to freeze my wspr
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1.55 seems more stable
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I have a few halts of the new decoder but no more restarts like at 06030 today. OLD seems OK, so just the new wspr code FWICT