1. SAASM PRODUCTS OVERVIEW

2. GPS SAASM
Two types of GPS receivers: Coarse Acquisition (C/A commercial) code and P/Y Code Selective Availability Anti- Spoofing Module (SAASM)
C/A code = Commercial (70% application)
P/Y code SAASM code = Military environment (30%)

3. GPS SAASM and order process
Mission critical applications require protection from jamming and spoofing
C/A code or SPS can be denied
Established programs - BWC orders the receivers (cost is included in the product price)
New programs – Gov-t provides the receivers via GFE or an authorization letter for BWC to order
New directive waiver thru 2019

4. SAASM compliant PTS
PTS SAASM – delivered over 500 units
Redundant GPS (SAASM and C/A code)
Rub oscillator comes standard
Can sync from external GPS receiver
10MHZ, IRIG B, 1PPS outputs
Ethernet port 10/100 BaseT, RS232
Web Browser control
Timing accuracy <40ns RMS to UTC
Built hardened for ship board, airborne and lab applications, NSN PN approved
Older design

5. SAASM compliant FRU
FRU SAASM is a stable GPS disciplined frequency reference
GPS SAASM receiver
10x10 MHZ outputs with high isolation <100dB
2 independent Ethernet ports 10/100 baseT
vibration and shock qualified
optional low phase noise OCXO or Rub + OCXO
Meets MIL STD A for SHF terminals

6. SAASM compliant TRU
Timing Reference Unit is an ultra stable GPS disciplined timing source
-GPS SAASM (C/A is available) receiver
-5 x buffered IRIG outputs
-5 x buffered 1PPS outputs
-1 x 10MHZ output
-2 independent Ethernet ports 10/100 baseT
-vibration and shock qualified
Meets MIL STD A

7. Competition differentiator
SAASM compliant MMC
Competition differentiator
MODULAR MASTER CLOCK w/SAASM
MMC has two chassis sizes for all your timing needs
1U (non hot swappable) has 5 available slots 20 outputs
2 U (hot swappable) has 12 available slots 48 outputs
All with allowing redundant MCM modules, power supplies
Three key areas where the MMC is unmatched
User Interface Experience
Full Color Touch Screen GUI
Comprehensive Management Utility
Connectivity
Creating a manageable time and frequency network
Integrity
Security of timing by detecting failed references
Security of management using authentication, privacy and passwords

8. SAASM compliant MMC
Modular master clock (MMC) starts with Master clock module (MCM)
Standard Outputs on basic MCM:
1PPS (2), IRIG B, Have Quick, 50 bit BCD, 10 MHZ (if no GPS option), Alarm relay
Network Time Protocol (NTP), network security (SNMP v3)
Optional Outputs based on plug in Modules:
Universal ( Time Codes and pulses)
Frequency Synthesizer (Telecom) Module
Low Noise Frequency Module – 5MHZ, 10MHZ
NTP Module (Gigabit Ethernet module is in works)
Optical Crosslink Module

9. SAASM compliant MMC MCM MCM GPS MGU Power Supply Power Supply GPS
2018 Brandywine Sales Meeting
SAASM compliant MMC
MCM
(Master Clock Module)
GPS
MCM
(Master Clock Module)
1PPS, HQ
GPS
1PPS (2), HQ, IRIG B, BCD, 5MHz, 10MHz
IRIG B
OSM
OPTICAL
Cs 10MHz
MGU
Management and Control
(SNMP, NTP)
OSM
Output Signal Module 1
UNIVERSAL
(PPS, PPM, HQ, IRIG, 100kHz)
Telecom
E1/T1
MAINTENANCE
CLOCK, DATA, PPS
Touch Screen
LPN ANALOG
1,5,10MHz
Power Supply
Power Supply
NTP 12

10. SAASM compliant MMC DISTRIBUTED CONCEPT MCM MCM
MGU
MGU
MCM
(Master Clock
DUAL FEED SDU
SLAVE OF SLAVE SDU
MCM
(Master Clock
Complex Scenario with multiple user locations
As long as one primary reference is available, integrity is guaranteed across the entire chain
Internal Stratum concept prevents timing loops

11. SAASM compliant MMC Redundancy Hardware redundancy of all clocks
Resiliency
No loss of performance with any single clock failure
No loss of performance with any single GPS failure
Centralized system management using control status over crosslink
Holdover in the event of loss of all GPS
Detection of failed GPS due to spoofing

12. What’s next M code The next generation of GPS satellites
Stronger signal
Better security