what are the alternatives to LM387 and SA602AN?
https://ham.stackexchange.com/questions/6778/what-are-the-alternatives-to-lm387-and-sa602an
Oct 22, 2016 · LM387 is just a really old, ordinary op-amp as far as I can tell. It has a funny pin configuration, so if you have a PCB …
User Alexander - Amateur Radio Stack Exchange
https://ham.stackexchange.com/users/15165/alexander
Jul 1, 2026 · Q&A for amateur radio enthusiasts Most practical knots for hitching a line to an object while keeping the bitter end as …
Using my Baofeng UV-5R to talk to walkie talkies
https://ham.stackexchange.com/questions/623/using-my-baofeng-uv-5r-to-talk-to-walkie-talkies
Nov 8, 2013 · Hmm? The baofeng UV-5R is dual band and most certainly does cover MURS, which is an acceptable choice if you …
How do I set the "tone" in my new BaoFeng BF-F8HP?
https://ham.stackexchange.com/questions/13084/how-do-i-set-the-tone-in-my-new-baofeng-bf-f8hp
Mar 20, 2019 · See Appendix B of the User Manual. BaoFeng calls these "CTCSS" tones, more recently referred to as "PL" tones. …
Using LMR400 and RG8x in the same feedline
https://ham.stackexchange.com/questions/12383/using-lmr400-and-rg8x-in-the-same-feedline
It is perfectly fine to mix two different types of coax like this, providing that they have the same impedance (in this case 50Ω). Any loss …
Can I use CHIRP for programming a Baofeng DM-5R?
https://ham.stackexchange.com/questions/14649/can-i-use-chirp-for-programming-a-baofeng-dm-5r
Jun 4, 2019 · The Baofeng Tech download page says: At this time our DMR radios are not compatible with CHIRP; you will need to …
Recently Active 'baofeng' Questions - Amateur Radio Stack Exchange
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Baofeng is a manufacturer of radio equipment. Use this tag for questions relating specifically to Baofeng products.
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Q&A for amateur radio enthusiasts
How can the gain of an antenna be negative?
https://ham.stackexchange.com/questions/13059/how-can-the-gain-of-an-antenna-be-negative
Mar 16, 2019 · The vertical axis is in dB, which indicates a ratio. The literature probably mentions that it's the ratio of the antenna's …
vhf - Can I contact the International Space Station using my Baofeng ...
https://ham.stackexchange.com/questions/15576/can-i-contact-the-international-space-station-using-my-baofeng-uv5r
Over the years I've had many good contacts with my UV5R to SO-50. I think I added a slightly longer whip antenna but the radio is …
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