Baofeng AC/DC Adapter issue?

Baofeng AC/DC Adapter issue?
  Recently I have been experimenting with APRS, using a home made MicroModem with MicroAPRS loaded into it. As transceiver, I am using my Baofeng UV-82 connected to a Slim Jim antenna. Where I live, there is not much APRS traffic. But the radio opens about three to four times a minute on 144.800 MHz. But when I put it in the charger cra [...]

Adding a Tiger Tail to a Baofeng UV82

Adding a Tiger Tail to a Baofeng UV82
I read that adding a counterpoise, or a tiger tail, to the ground side of the HT device antenna would increase its performance. Doing this the antenna is said to work (more) as a real vertical dipole (makes sense, right?) Well, that should not be that hard to test. But… It’s not that easy to put something in between the antenna an [...]

ADS-B Receiver and antenna

ADS-B Receiver and antenna
I have two other WordPress blog sites and I posted the below blog-post in one of them November 6, 2013. I thought the post fits better in this WordPress blog, so I copied it here.   Here is how I made a ADS-B receiver and antenna (collinear antenna). Parts needed: Coax cable (I used 75 ohm RG59 with velocity factor 0.82) DVB-T tuner I b [...]

2m/70cm SWR comparison between Baofen...

swr
Bought a new 144/430MHz antenna from ebay (China), and I thought it could be interesting to compare its SWR to my Baofeng UV82L original antenna. Note that you will find many variants of the Nagoya NA-701 antenna on ebay (it’s hard to tell which is fake or not). The one I bought has a silver/white label directly painted on the antenna. [...]