Alfonso Faustino: Super Heterodyne vs. Direct Conversion, and Front-end Transceivers

BLUF (Bottom Line Up Front): Your transceivers should be Super Heterodyne and have front-end filters (the ability to block unwanted RF) when in ICS-based emergency operations.  If you don’t get Super Heterodyne transceivers and don’t have a filter for the front-end, you will experience desensitizing in your transceivers while involved with ICS-based emergency comm operations:…

Alfonso Faustino: CARLA: Antenna Replacement Project (K6ASF)

Boss, N6MVT, invited me to go with him to one of the CARLA sites to replace an antenna on one of CARLA’s towers. I always enjoy helping Boss at his CARLA’s sites; because, I get to see all the technology that makes CARLA so great. In addition to CARLA’s technology, CARLA resides in some of…

Alfonso Faustino: Motorola XPR 7550 VHF Transceiver (K6ASF)

My collection of Motorola hand-held transceivers is complete with the Motorola  XPR 7550 VHF hand-held transceiver, shown below. The Motorola XPR 7550 VHF transceiver will take the place of my Motorola Radius CP200, as shown in the picture, below.  I will either sell or use it as a back-up for VHF communications. Since I already…