KMR-400 vs. LMR-400 Comparison
- Details
- Written by: Greg Wolfe
A YouTube video by "K8MRD Radio Stuff" provides a comparison of 75` of LMR-400 coax vs. KMR-400 from Amazon. The KMR-400 has slightly higher loss. The cable comes with excellent waterproof connectors.
Amazon web site listing: XRDS -RF KMR-400 Coax
VarAC Chat Mode
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- Written by: G Wolfe - KI0KK
Irad Deutsch, 4Z1AC has developed a new mode for HF chat. "VarAC is a FREE, modern HF P2P real-time chatting application for the amateur radio operator that leverages the VARA protocol". I have not tried this new mode but a demonstration on AmateurLogic.TV on April 15, 2022 looked interesting.
The software download is for windows operating systems only. https://www.varac-hamradio.com/
Click below to view the YouTube video
SFTARC Tech Night - FCC RF Evaluation
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- Written by: George - WBØCNK
With the proliferation of cell phones and wireless gadgets the FCC has released new RF rules which also affect Amateur Radio Licensees by requiring an RF Exposure Evaluation of our stations. Click this link FCC RF Evaluation or the image below to view presentation.
Click below to view the presentation
Stealth Long Wire Antenna
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- Written by: G Wolfe - KIØKK
This stealth long wire antenna YouTube video may offer some options and good tips for those with HOA antenna restrictions. Some modifications may be need depending on the configuration of your roof vents or attic space.
Kiwi310 Small Board Computer
- Details
- Written by: G Wolfe - KI0KK
I found this YouTube on a new INTEL based Single Board Computer that is the same form factor/physical layout as a Raspberry PI. The board runs W10/W11, Linux and other operating systems.
https://www.youtube.com/watch?v=--Z-CIXz8RM
Not sure of the price but here is a link to the manufacturer. I did not find a price on Amazon either.
https://www.axiomtek.com/Default.aspx?MenuId=Products&FunctionId=ProductView&ItemId=26237&upcat=383
Here is the data sheet PDF:
https://www.axiomtek.com/Download/Spec/en-US/kiwi310.pdf
One negative is it has no on board WiFi.