PSRA Level 1 Exam case studies
PSRA Level 1 Exam · Put your knowledge to work in context.
The PSRA Level 1 Exam, sometimes called Public Safety Radio Analyst Level 1, is a multiple-choice credential aimed at people who work with, or want to move into, the technical and analytical side of public safety land mobile radio. That includes radio system technicians and analysts, dispatch and communications-center staff who need to understand what sits behind their consoles, interoperability coordinators, and IT or emergency-management personnel who support communications planning. The PSRA Level 1 Exam case studies are 5 cases and about 2,736 words.
1Elevated Noise Floor at a 700 MHz Trunked Site
Your county operates a six-site 700 MHz P25 Phase 2 trunked system. Site 3 serves a commercial corridor and a hospital.
541 words, about 3 min2Adding a Second VHF Repeater Without License Modification
County A holds an FCC Part 90 license for a VHF high-band repeater on 155.715 MHz. The license authorizes one FB2 transmitter at Lookout Mountain at 50 W ERP, 12.5 kHz emission, and 500 mobiles.
488 words, about 2 min3Multi-Agency Interoperability at an Ammonia Release
During a three-day county fair, a tanker truck leaks anhydrous ammonia at the fairgrounds. Responding agencies include City Police on a UHF conventional system at 453.2125 MHz, County Sheriff on VHF high-band conventional, Fire and EMS on a 700 MHz P25 Phase 2 trunked system, State Emergency Management on an 800 MHz P25 system, and a regional HazMat team with analog VHF radios.
560 words, about 3 min4Suspicious Console Login and Unknown Radio Affiliations
At 02:15, the network operations center for a 14-site P25 Phase 2 trunked system notices 42 failed console login attempts from an IP address geolocated outside the country, followed by a successful login to a read-only maintenance account. At site 5, 18 radio IDs that are not in the authorized subscriber database attempt affiliations; three use IDs that match units assigned to a neighboring county.
581 words, about 3 min5Rural VHF Analog Migration with a FirstNet Offer
A rural county operates six VHF high-band analog repeaters with 1,200 subscribers, mostly fire and EMS. Coverage is about 65% of the county; the sheriff reports dead zones in two river valleys.
566 words, about 3 min