WA2ZKD
About
- Username
- WA2ZKD
- Joined
- Visits
- 16,165
- Last Active
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- Member
- Points
- 14
Comments
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Harris can provide 24 KHz in a manpack. The waveform is realtime adaptive depending on channels conditions. http://www.hfindustry.com/meetings_presentations/presentation_materials/2013_nov_hfia/presentations/11-industry-harriswbalecanadadaynov2013.…
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(48 kHz BW) per STANAG 5069 is the likely waveform and that can do > 200 kbps IIRC. That is the bits at the modem, FEC and handshake protocols can dilute throughput
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AFA/NSS MSK in Dawsonville MD on 6487
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WWCR on 5935 another easy find
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Radio Marti in Greenville NC was an easy find on 6030, a good reference station
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I had rebooted the BBG systems via power on/off while chasing my FM RFI issue
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24 hours from now the map will be interesting
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ERP the result of antenna gain I'll guess. Rockwell-Collins has a WBHF waveform that goes to 48 KHz. http://www.hfindustry.com/meetings_presentations/presentation_materials/2012_sept_hfia/presentations/RC_WBHF_UK_Trial_2012.pdf
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OK, I was seeing some deaths after many hours.... so that should help
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Rob, which file changed?
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adjusting high-Q notches with the kiwi is a bit tricky due to latency
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Sorry, bad question.... didn't mean to strike a nerve. I just wonder where are they all. The quantity of public ones seems to move slowly.
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what AM station is causing you fits?
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NVIS paths have proven tricky for me.
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I posted some howto in another thread for making AMBC notch filters
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I am talking about the Chat channel we already have from the current user page
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I wonder if the active stage in the whip is getting pickled?
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They were heard on 40M last night at 00:04-08 UTC
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and..... open the TDoA map from admin too.
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I have 2 kiwis one public, which I left in "classic" and one non-public which I run Rob's wspr scheme on all eight channels. I'm happy and surely public is
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I am again missing form map but don't see why
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I would think your Cat5 feedline might suffer from RFI ingress
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I moved the newest wa2zkd into dropbox
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my fix for AM OV
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a place for dx.json... I'll upload the latest this evening
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The notches I use on AMBC suck out the BIG ones at my house yet allow most of the AM band to be received
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I posted info on sharing dx.json, I'll try to find again.
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You're in overload (see OV at bottom right of page). You may be getting whacked by an AM station
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I have my #2 non-public kiwi running 8 channels of kiwirecord to Rob's external wspr scheme
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Perhaps a settable timeout per mode would be a good idea