diff --git a/Svc/ActiveRateGroup/ActiveRateGroupImpl.cpp b/Svc/ActiveRateGroup/ActiveRateGroupImpl.cpp
new file mode 100644
index 00000000000..75d9d96eb78
--- /dev/null
+++ b/Svc/ActiveRateGroup/ActiveRateGroupImpl.cpp
@@ -0,0 +1,113 @@
+/*
+* \author: Tim Canham
+* \file:
+* \brief
+*
+* This file implements the ActiveRateGroup component,
+* which invokes a set of components the comprise the rate group.
+*
+*   Copyright 2014-2015, by the California Institute of Technology.
+*   ALL RIGHTS RESERVED. United States Government Sponsorship
+*   acknowledged.
+*
+*/
+
+#include <Svc/ActiveRateGroup/ActiveRateGroupImpl.hpp>
+#include <ActiveRateGroupImplCfg.hpp>
+#include <FpConfig.hpp>
+#include <Fw/Types/Assert.hpp>
+#include <Os/Log.hpp>
+
+namespace Svc {
+
+    ActiveRateGroupImpl::ActiveRateGroupImpl(const char* compName, NATIVE_UINT_TYPE contexts[], NATIVE_UINT_TYPE numContexts) :
+            ActiveRateGroupComponentBase(compName),
+            m_cycles(0),
+            m_maxTime(0),
+            m_cycleStarted(false),
+            m_overrunThrottle(0),
+            m_cycleSlips(0) {
+        FW_ASSERT(contexts);
+        FW_ASSERT(numContexts == static_cast<NATIVE_UINT_TYPE>(this->getNum_RateGroupMemberOut_OutputPorts()),numContexts,this->getNum_RateGroupMemberOut_OutputPorts());
+        FW_ASSERT(FW_NUM_ARRAY_ELEMENTS(this->m_contexts) == this->getNum_RateGroupMemberOut_OutputPorts(),
+                static_cast<NATIVE_INT_TYPE>(FW_NUM_ARRAY_ELEMENTS(this->m_contexts)),
+                this->getNum_RateGroupMemberOut_OutputPorts());
+
+        // copy context values
+        for (NATIVE_INT_TYPE entry = 0; entry < this->getNum_RateGroupMemberOut_OutputPorts(); entry++) {
+            this->m_contexts[entry] = contexts[entry];
+        }
+    }
+
+    void ActiveRateGroupImpl::init(NATIVE_INT_TYPE queueDepth, NATIVE_INT_TYPE instance) {
+        ActiveRateGroupComponentBase::init(queueDepth,instance);
+    }
+
+    ActiveRateGroupImpl::~ActiveRateGroupImpl() {
+
+    }
+
+    void ActiveRateGroupImpl::preamble() {
+        this->log_DIAGNOSTIC_RateGroupStarted();
+    }
+
+    void ActiveRateGroupImpl::CycleIn_handler(NATIVE_INT_TYPE portNum, Svc::TimerVal& cycleStart) {
+
+        TimerVal end;
+
+        this->m_cycleStarted = false;
+
+        // invoke any members of the rate group
+        for (NATIVE_INT_TYPE port = 0; port < this->getNum_RateGroupMemberOut_OutputPorts(); port++) {
+            if (this->isConnected_RateGroupMemberOut_OutputPort(port)) {
+                this->RateGroupMemberOut_out(port,this->m_contexts[port]);
+            }
+        }
+
+        // grab timer for end of cycle
+        end.take();
+
+        // get rate group execution time
+        U32 cycle_time = end.diffUSec(cycleStart);
+
+        // check to see if the time has exceeded the previous maximum
+        if (cycle_time > this->m_maxTime) {
+            this->m_maxTime = cycle_time;
+        }
+
+        // update cycle telemetry
+        this->tlmWrite_RgMaxTime(this->m_maxTime);
+
+        // check for cycle slip. That will happen if new cycle message has been received
+        // which will cause flag will be set again.
+        if (this->m_cycleStarted) {
+            this->m_cycleSlips++;
+            if (this->m_overrunThrottle < ACTIVE_RATE_GROUP_OVERRUN_THROTTLE) {
+                this->log_WARNING_HI_RateGroupCycleSlip(this->m_cycles);
+                this->m_overrunThrottle++;
+            }
+            // update cycle slips
+            this->tlmWrite_RgCycleSlips(this->m_cycleSlips);
+        } else { // if cycle is okay start decrementing throttle value
+            if (this->m_overrunThrottle > 0) {
+                this->m_overrunThrottle--;
+            }
+        }
+
+        // increment cycle
+        this->m_cycles++;
+
+    }
+
+    void ActiveRateGroupImpl::CycleIn_preMsgHook(NATIVE_INT_TYPE portNum, Svc::TimerVal& cycleStart) {
+        // set flag to indicate cycle has started. Check in thread for overflow.
+        this->m_cycleStarted = true;
+    }
+
+    void ActiveRateGroupImpl::PingIn_handler(NATIVE_INT_TYPE portNum, U32 key) {
+        // return the key to health
+        this->PingOut_out(0,key);
+    }
+
+
+}
diff --git a/Svc/ActiveRateGroup/README b/Svc/ActiveRateGroup/README
index 77705120b64..01776eb5569 100644
--- a/Svc/ActiveRateGroup/README
+++ b/Svc/ActiveRateGroup/README
@@ -3,4 +3,4 @@ The Active Rate Group is a component that executes components assigned to the ra
 A call to the input run port wakes the task and causes it to call all the components connected to the output ports in order.
 
 ActiveRateGroupComponentAi.xml - The XML description of the active rate group component
-ActiveRateGroup.hpp(.cpp) - The implementation of the component
\ No newline at end of file
+ActiveRateGroupImpl.hpp(.cpp) - The implementation of the component
\ No newline at end of file