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Trak9100 GPS/Rubidium standard timing source used in many radio systems, provides timing for simulcast sites, and often supplied by Motorola Solutions Inc. with site repeater systems. Has a modular design, with two GPS receiver modules, one with Rubidium standard (the one with the fan) to compare when GPS signal may be degraded and to "calibrate" itself. Similar to Spectracom offerings and other vendors products.

My "listening post" for my recent trip to the forest. Went into the Olympic National Forest to get away from it all, to include cell phone and radio station signals. But, I still took some gear to hear what was available. One weather channel was noted on the Garmin Rino 530 when scanning weather channels. Channel 4 FRS was also noticed, in use by what sounded like a family unloading luggage at one of the nearby lake resorts. This is the original Garmin Rino 530, that does not have mini SD card capability, and I bought after being issued and using a Garmin Rino 120 while on military deployments to Afghanistan. The 530 has a color display, which does not work too well with image intensifying night vision, where the monochrome 120 does much better. As radios, they work as well as low power UHF can be expected, and being able to send location was helpful at times. The Rino 120 was issued to many military personnel as a sort of intra-team radio that also had a basemap, something the military issued AN/PSM-11 Rockwell units lacked (the newer GPS now has a map display). The Rino 120's acted as a backup measure for areas where accurate maps were often only found in old National Geographic magazines, while the radio worked well for short range (intra-team) comms. (Most of us were also issued Harris AN/PRC-117F portable radios and Thales AN/PRC-148 MBITR's as well). I still use my Rino 120 and 530 as they still work, and are very helpful running around the woods. The GP-7/SSB receiver picked up about a dozen FM and six AM frequencies but none were local. While driving around, there was a piece of cardboard near a house with what looked like an amateur antenna, and a frequency listed. It turned out to be low power radio sending music around the nearby area, about three miles or so away.