Top new questions this week:
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I know people have RECEIVED a signal from the ISS on a Baofeng UV-5R, but I'm interested in TRANSMITTING. I'm going to be using a Baofeng UV-5RTP (basically an 8W UV-5R) with a Nagoya NA-771 that ...
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I have designed a simple TX/RX system in GRC with a single USRP N210 and CBX-40.
I am transmitting sinusoidal signals at various frequencies within the 2-6GHz range and detecting the amplitude and ...
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Greatest hits from previous weeks:
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I tried to use both:
Cwget
CW decoder
But neither one worked. Can you recommend a tool or an alternative approach to decode a Morse message saved as an Mp3 file?
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I'm using an Anroid app for learning CW. In Germany, it's common to define the speed in CPM ("characters per minute", or German BPM for "Buchstaben pro Minute).
However, the Morse trainer I use ...
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A length of coaxial cable radiates negligible amount of RF.
Same length, if cut into pieces of length (λ/2 * VF), and these pieces joined again cross-connected (i.e. core of a piece to shield of ...
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I have a Baofeng UV 9R Handheld that I just recently bought and received in the mail brand new, however as much as I like this handheld device I am maxed out with frustration as far as manual ...
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Can I replace my old 50 Ω coax with RG6? It's cheaper and less loss at VHF/UHF. I would match by L/2 multiples of coax to repeat input and output impedance or L/C matching networks at each end.
Is ...
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I see that many contests, awards, and other items, use Grid Squares as a means to identify where one is. How can one figure out what one's grid square is, given lat/long?
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I have a couple of Baofeng UV-5R radios. I have a profile in Chirp that works great on one of them, and I foolishly pushed that profile straight over to a UV-5R without checking firmware versions. ...
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