ARSAT Amateur Radio Society At Tech ARSAT
- KE5BFH Texas Tech University Amateur Radio Society. Lubbock Texas, we mainly do balloon launches/hunts and we have EchoLink. Visit the website for more information.
144 MHz preamplifier with BF981
- Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.