16
Other / Re: Indonesian Music Pirates log
« on: June 17, 2023, 1244 UTC »
Not a new recording, but it seems to have captured one of those pirates in pseudo stereo using two KiwiSDRs, apparently in Indonesia and the Philippines.
Shortwave Pirate Radio In North America And Around The World, And Other Signals That Go Bump In The Night
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17
SDR - Software Defined Radio / Re: KFS omni kiwi sdr "Masking" USAF global HF Frequency??
« on: May 22, 2023, 1000 UTC »
The People's Republic of (and not Taiwan - just "the Republic of) China is a funny place. They jam the hell out of a lot of shortwave broadcasts and block streams from Western media, bit they don't block many SDRs. There is a site where you can test urls to see what they block, and the PRC doesn't care about many of those SDRs. Perhaps the party is run be a lot of boomers who don't understand the tech.
Oddly, there are people operating internet SDRs from within the PRC. I noticed that chat boxes are absent, as there is some sort of rule requiring moderation anywhere people talk to other people. But the SDRs are there and you can listen around. LOL the Firedrake Jammer isn't blocked.
Oddly, there are people operating internet SDRs from within the PRC. I noticed that chat boxes are absent, as there is some sort of rule requiring moderation anywhere people talk to other people. But the SDRs are there and you can listen around. LOL the Firedrake Jammer isn't blocked.
18
SDR - Software Defined Radio / Re: KiwiSDR future/replacement?
« on: May 22, 2023, 0945 UTC »
Just two comments:
The KiwiSDR already has a pretty full set of features. Having a 1 Hz tuning and display resolution would be very welcome; things it lacks may be handled client side. Does anyone out there use the "SuperSDR" client? By taking the IQ stream, such a client can do plenty of things independently of the KiwiSDR interface. For simple things like AM / SSB / CW, the client doesn't even need the IQ stream... Since finding SuperSDR, I rarely bother with pulling up the web interface.
As to hardware, there are plenty of other ARM based single board computers which could be substituted for the Raspberry Pis. FPGAs and ADCs are out there, although not cheap, they can be found. I would not be surprised to see some sort of Kiwi-like radio appear which continues the winning recipe of SBC + ADC + FPGA + webserver. I would not be surprised if someone adapts the GPIO connection, tweaks the operating system, and puts out an ugly but performant radio with an Orange Pi SBC.
Perhaps JKS is bored and wants to move on. Okay, "See ya later and thanks for the radios." There is a funny phrase in the last chapter of KiwiSDR: 21st Century Radio for the People which says something like, "Watch the clones." Of course, I could be completely wrong and the future is based on HPSDR variants.
The KiwiSDR already has a pretty full set of features. Having a 1 Hz tuning and display resolution would be very welcome; things it lacks may be handled client side. Does anyone out there use the "SuperSDR" client? By taking the IQ stream, such a client can do plenty of things independently of the KiwiSDR interface. For simple things like AM / SSB / CW, the client doesn't even need the IQ stream... Since finding SuperSDR, I rarely bother with pulling up the web interface.
As to hardware, there are plenty of other ARM based single board computers which could be substituted for the Raspberry Pis. FPGAs and ADCs are out there, although not cheap, they can be found. I would not be surprised to see some sort of Kiwi-like radio appear which continues the winning recipe of SBC + ADC + FPGA + webserver. I would not be surprised if someone adapts the GPIO connection, tweaks the operating system, and puts out an ugly but performant radio with an Orange Pi SBC.
Perhaps JKS is bored and wants to move on. Okay, "See ya later and thanks for the radios." There is a funny phrase in the last chapter of KiwiSDR: 21st Century Radio for the People which says something like, "Watch the clones." Of course, I could be completely wrong and the future is based on HPSDR variants.
19
SDR - Software Defined Radio / Re: KFS omni kiwi sdr "Masking" USAF global HF Frequency??
« on: November 02, 2022, 1912 UTC »
LOL, just don't block Brother Stair. Actually, I have noticed certain Russian KiwiSDR sites with dozens and dozens of masked frequencies. The only sense I could make of those is that they're manipulating SNR calculations.
As to 11175 being blocked, well... there's still 8992 and a few others. There are better locations to listen from for the HFGCS / Nightwatch net. Try northern California, Idaho, Montana, and southern Alberta for nice reception -- and around Cape Cod in the eastern states. With good propagation, you can receive the white noise from the phone lines / satellite links to those ground stations.
As to 11175 being blocked, well... there's still 8992 and a few others. There are better locations to listen from for the HFGCS / Nightwatch net. Try northern California, Idaho, Montana, and southern Alberta for nice reception -- and around Cape Cod in the eastern states. With good propagation, you can receive the white noise from the phone lines / satellite links to those ground stations.
20
SDR - Software Defined Radio / Re: Exasperating ergonomics of Kiwi SDR (on small screens)
« on: November 02, 2022, 1855 UTC »
What the KiwiSDRs need is more extensive (Javascript?) html and CSS coding. It is possible to set different sizes for the control panels and buttons based on the screen size of the user's device. Setting them up by "Viewports" would make a nice difference.
I listen a lot on my phone and have to use the browser in "desktop" mode to get the SDR to behave.
I listen a lot on my phone and have to use the browser in "desktop" mode to get the SDR to behave.
21
General Radio Discussion / Re: KiwiSDR discontinued
« on: November 02, 2022, 1840 UTC »
There's a section in a the book, "KiwiSDR: 21st Century Radio..." speculating on the future of these radios. It seems that we'll certainly be in the realm of continuing software refinement without hardware changes. FlyDog and Raspberry SDRs will still be around, and may see development. I would expect those projects to also have a hard time getting semiconductor components.
I have a soft spot in my heart for GlobalTuners, but they are archaic AF.
I have a soft spot in my heart for GlobalTuners, but they are archaic AF.
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