diff --git a/wxdata/include/scwx/wsr88d/rpg/linked_contour_vector_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/linked_contour_vector_packet.hpp
new file mode 100644
index 00000000..4ef4e063
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/linked_contour_vector_packet.hpp
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class LinkedContourVectorPacketImpl;
+
+class LinkedContourVectorPacket : public Packet
+{
+public:
+   explicit LinkedContourVectorPacket();
+   ~LinkedContourVectorPacket();
+
+   LinkedContourVectorPacket(const LinkedContourVectorPacket&) = delete;
+   LinkedContourVectorPacket&
+   operator=(const LinkedContourVectorPacket&) = delete;
+
+   LinkedContourVectorPacket(LinkedContourVectorPacket&&) noexcept;
+   LinkedContourVectorPacket& operator=(LinkedContourVectorPacket&&) noexcept;
+
+   uint16_t packet_code() const;
+   uint16_t initial_point_indicator() const;
+   uint16_t length_of_vectors() const;
+
+   size_t data_size() const override;
+
+   bool Parse(std::istream& is) override;
+
+private:
+   std::unique_ptr<LinkedContourVectorPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/set_color_level_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/set_color_level_packet.hpp
new file mode 100644
index 00000000..d2395704
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/set_color_level_packet.hpp
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class SetColorLevelPacketImpl;
+
+class SetColorLevelPacket : public Packet
+{
+public:
+   explicit SetColorLevelPacket();
+   ~SetColorLevelPacket();
+
+   SetColorLevelPacket(const SetColorLevelPacket&) = delete;
+   SetColorLevelPacket& operator=(const SetColorLevelPacket&) = delete;
+
+   SetColorLevelPacket(SetColorLevelPacket&&) noexcept;
+   SetColorLevelPacket& operator=(SetColorLevelPacket&&) noexcept;
+
+   uint16_t packet_code() const;
+   uint16_t color_value_indicator() const;
+   uint16_t value_of_contour() const;
+
+   size_t data_size() const override;
+
+   bool Parse(std::istream& is) override;
+
+   static constexpr size_t SIZE = 6u;
+
+private:
+   std::unique_ptr<SetColorLevelPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp
new file mode 100644
index 00000000..3caf58d3
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class UnlinkedContourVectorPacketImpl;
+
+class UnlinkedContourVectorPacket : public Packet
+{
+public:
+   explicit UnlinkedContourVectorPacket();
+   ~UnlinkedContourVectorPacket();
+
+   UnlinkedContourVectorPacket(const UnlinkedContourVectorPacket&) = delete;
+   UnlinkedContourVectorPacket&
+   operator=(const UnlinkedContourVectorPacket&) = delete;
+
+   UnlinkedContourVectorPacket(UnlinkedContourVectorPacket&&) noexcept;
+   UnlinkedContourVectorPacket&
+   operator=(UnlinkedContourVectorPacket&&) noexcept;
+
+   uint16_t packet_code() const;
+   uint16_t length_of_vectors() const;
+
+   size_t data_size() const override;
+
+   bool Parse(std::istream& is) override;
+
+private:
+   std::unique_ptr<UnlinkedContourVectorPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/linked_contour_vector_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/linked_contour_vector_packet.cpp
new file mode 100644
index 00000000..e50b5da3
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/linked_contour_vector_packet.cpp
@@ -0,0 +1,141 @@
+#include <scwx/wsr88d/rpg/linked_contour_vector_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::linked_contour_vector_packet] ";
+
+class LinkedContourVectorPacketImpl
+{
+public:
+   explicit LinkedContourVectorPacketImpl() :
+       packetCode_ {},
+       initialPointIndicator_ {},
+       lengthOfVectors_ {},
+       startI_ {},
+       startJ_ {},
+       endI_ {},
+       endJ_ {} {};
+   ~LinkedContourVectorPacketImpl() = default;
+
+   uint16_t packetCode_;
+   uint16_t initialPointIndicator_;
+   uint16_t lengthOfVectors_;
+
+   int16_t              startI_;
+   int16_t              startJ_;
+   std::vector<int16_t> endI_;
+   std::vector<int16_t> endJ_;
+};
+
+LinkedContourVectorPacket::LinkedContourVectorPacket() :
+    p(std::make_unique<LinkedContourVectorPacketImpl>())
+{
+}
+LinkedContourVectorPacket::~LinkedContourVectorPacket() = default;
+
+LinkedContourVectorPacket::LinkedContourVectorPacket(
+   LinkedContourVectorPacket&&) noexcept                      = default;
+LinkedContourVectorPacket& LinkedContourVectorPacket::operator=(
+   LinkedContourVectorPacket&&) noexcept = default;
+
+uint16_t LinkedContourVectorPacket::packet_code() const
+{
+   return p->packetCode_;
+}
+
+uint16_t LinkedContourVectorPacket::initial_point_indicator() const
+{
+   return p->initialPointIndicator_;
+}
+
+uint16_t LinkedContourVectorPacket::length_of_vectors() const
+{
+   return p->lengthOfVectors_;
+}
+
+size_t LinkedContourVectorPacket::data_size() const
+{
+   return p->lengthOfVectors_ + 10u;
+}
+
+bool LinkedContourVectorPacket::Parse(std::istream& is)
+{
+   bool blockValid = true;
+
+   is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
+   is.read(reinterpret_cast<char*>(&p->initialPointIndicator_), 2);
+   is.read(reinterpret_cast<char*>(&p->startI_), 2);
+   is.read(reinterpret_cast<char*>(&p->startJ_), 2);
+   is.read(reinterpret_cast<char*>(&p->lengthOfVectors_), 2);
+
+   p->packetCode_            = ntohs(p->packetCode_);
+   p->initialPointIndicator_ = ntohs(p->initialPointIndicator_);
+   p->startI_                = ntohs(p->startI_);
+   p->startJ_                = ntohs(p->startJ_);
+   p->lengthOfVectors_       = ntohs(p->lengthOfVectors_);
+
+   int vectorSize = static_cast<int>(p->lengthOfVectors_);
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+
+   // The number of vectors is equal to the size divided by the number of bytes
+   // in a vector coordinate
+   int     vectorCount = vectorSize / 4;
+   int16_t endI;
+   int16_t endJ;
+
+   for (int v = 0; v < vectorCount && !is.eof(); v++)
+   {
+      is.read(reinterpret_cast<char*>(&endI), 2);
+      is.read(reinterpret_cast<char*>(&endJ), 2);
+
+      endI = ntohs(endI);
+      endJ = ntohs(endJ);
+
+      p->endI_.push_back(endI);
+      p->endJ_.push_back(endJ);
+   }
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+   else
+   {
+      if (p->packetCode_ != 0x0E03)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Invalid packet code: " << p->packetCode_;
+         blockValid = false;
+      }
+      if (p->initialPointIndicator_ != 0x8000)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_
+            << "Invalid initial point indicator: " << p->initialPointIndicator_;
+         blockValid = false;
+      }
+   }
+
+   return blockValid;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/linked_vector_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/linked_vector_packet.cpp
index 3f74ff51..f935d938 100644
--- a/wxdata/source/scwx/wsr88d/rpg/linked_vector_packet.cpp
+++ b/wxdata/source/scwx/wsr88d/rpg/linked_vector_packet.cpp
@@ -32,10 +32,10 @@ public:
    uint16_t lengthOfBlock_;
    uint16_t valueOfVector_;
 
-   uint16_t              startI_;
-   uint16_t              startJ_;
-   std::vector<uint16_t> endI_;
-   std::vector<uint16_t> endJ_;
+   int16_t              startI_;
+   int16_t              startJ_;
+   std::vector<int16_t> endI_;
+   std::vector<int16_t> endJ_;
 };
 
 LinkedVectorPacket::LinkedVectorPacket() :
@@ -108,9 +108,9 @@ bool LinkedVectorPacket::Parse(std::istream& is)
 
    // The number of vectors is equal to the size divided by the number of bytes
    // in a vector coordinate
-   int      vectorCount = vectorSize / 4;
-   uint16_t endI;
-   uint16_t endJ;
+   int     vectorCount = vectorSize / 4;
+   int16_t endI;
+   int16_t endJ;
 
    for (int v = 0; v < vectorCount && !is.eof(); v++)
    {
diff --git a/wxdata/source/scwx/wsr88d/rpg/set_color_level_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/set_color_level_packet.cpp
new file mode 100644
index 00000000..d38294e6
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/set_color_level_packet.cpp
@@ -0,0 +1,100 @@
+#include <scwx/wsr88d/rpg/set_color_level_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::set_color_level_packet] ";
+
+class SetColorLevelPacketImpl
+{
+public:
+   explicit SetColorLevelPacketImpl() :
+       packetCode_ {}, colorValueIndicator_ {}, valueOfContour_ {} {};
+   ~SetColorLevelPacketImpl() = default;
+
+   uint16_t packetCode_;
+   uint16_t colorValueIndicator_;
+   uint16_t valueOfContour_;
+};
+
+SetColorLevelPacket::SetColorLevelPacket() :
+    p(std::make_unique<SetColorLevelPacketImpl>())
+{
+}
+SetColorLevelPacket::~SetColorLevelPacket() = default;
+
+SetColorLevelPacket::SetColorLevelPacket(SetColorLevelPacket&&) noexcept =
+   default;
+SetColorLevelPacket&
+SetColorLevelPacket::operator=(SetColorLevelPacket&&) noexcept = default;
+
+uint16_t SetColorLevelPacket::packet_code() const
+{
+   return p->packetCode_;
+}
+
+uint16_t SetColorLevelPacket::color_value_indicator() const
+{
+   return p->colorValueIndicator_;
+}
+
+uint16_t SetColorLevelPacket::value_of_contour() const
+{
+   return p->valueOfContour_;
+}
+
+size_t SetColorLevelPacket::data_size() const
+{
+   return SIZE;
+}
+
+bool SetColorLevelPacket::Parse(std::istream& is)
+{
+   bool blockValid = true;
+
+   is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
+   is.read(reinterpret_cast<char*>(&p->colorValueIndicator_), 2);
+   is.read(reinterpret_cast<char*>(&p->valueOfContour_), 2);
+
+   p->packetCode_          = ntohs(p->packetCode_);
+   p->colorValueIndicator_ = ntohs(p->colorValueIndicator_);
+   p->valueOfContour_      = ntohs(p->valueOfContour_);
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+   else
+   {
+      if (p->packetCode_ != 0x0802)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Invalid packet code: " << p->packetCode_;
+         blockValid = false;
+      }
+      if (p->colorValueIndicator_ != 0x0002)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_
+            << "Invalid color value indicator: " << p->colorValueIndicator_;
+         blockValid = false;
+      }
+   }
+
+   return blockValid;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/unlinked_contour_vector_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/unlinked_contour_vector_packet.cpp
new file mode 100644
index 00000000..740b8e08
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/unlinked_contour_vector_packet.cpp
@@ -0,0 +1,125 @@
+#include <scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::unlinked_contour_vector_packet] ";
+
+class UnlinkedContourVectorPacketImpl
+{
+public:
+   explicit UnlinkedContourVectorPacketImpl() :
+       packetCode_ {},
+       lengthOfVectors_ {},
+       beginI_ {},
+       beginJ_ {},
+       endI_ {},
+       endJ_ {} {};
+   ~UnlinkedContourVectorPacketImpl() = default;
+
+   uint16_t packetCode_;
+   uint16_t lengthOfVectors_;
+   uint16_t valueOfVector_;
+
+   std::vector<int16_t> beginI_;
+   std::vector<int16_t> beginJ_;
+   std::vector<int16_t> endI_;
+   std::vector<int16_t> endJ_;
+};
+
+UnlinkedContourVectorPacket::UnlinkedContourVectorPacket() :
+    p(std::make_unique<UnlinkedContourVectorPacketImpl>())
+{
+}
+UnlinkedContourVectorPacket::~UnlinkedContourVectorPacket() = default;
+
+UnlinkedContourVectorPacket::UnlinkedContourVectorPacket(
+   UnlinkedContourVectorPacket&&) noexcept                        = default;
+UnlinkedContourVectorPacket& UnlinkedContourVectorPacket::operator=(
+   UnlinkedContourVectorPacket&&) noexcept = default;
+
+uint16_t UnlinkedContourVectorPacket::packet_code() const
+{
+   return p->packetCode_;
+}
+
+uint16_t UnlinkedContourVectorPacket::length_of_vectors() const
+{
+   return p->lengthOfVectors_ + 4u;
+   ;
+}
+
+size_t UnlinkedContourVectorPacket::data_size() const
+{
+   return p->lengthOfVectors_ + 4u;
+}
+
+bool UnlinkedContourVectorPacket::Parse(std::istream& is)
+{
+   bool blockValid = true;
+
+   is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
+   is.read(reinterpret_cast<char*>(&p->lengthOfVectors_), 2);
+
+   p->packetCode_      = ntohs(p->packetCode_);
+   p->lengthOfVectors_ = ntohs(p->lengthOfVectors_);
+
+   int vectorSize = static_cast<int>(p->lengthOfVectors_);
+
+   // The number of vectors is equal to the size divided by the number of bytes
+   // in a vector
+   int     vectorCount = vectorSize / 8;
+   int16_t beginI;
+   int16_t beginJ;
+   int16_t endI;
+   int16_t endJ;
+
+   for (int v = 0; v < vectorCount && !is.eof(); v++)
+   {
+      is.read(reinterpret_cast<char*>(&beginI), 2);
+      is.read(reinterpret_cast<char*>(&beginJ), 2);
+      is.read(reinterpret_cast<char*>(&endI), 2);
+      is.read(reinterpret_cast<char*>(&endJ), 2);
+
+      beginI = ntohs(beginI);
+      beginJ = ntohs(beginJ);
+      endI   = ntohs(endI);
+      endJ   = ntohs(endJ);
+
+      p->beginI_.push_back(beginI);
+      p->beginJ_.push_back(beginJ);
+      p->endI_.push_back(endI);
+      p->endJ_.push_back(endJ);
+   }
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+   else
+   {
+      if (p->packetCode_ != 0x3501)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Invalid packet code: " << p->packetCode_;
+         blockValid = false;
+      }
+   }
+
+   return blockValid;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/unlinked_vector_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/unlinked_vector_packet.cpp
index 1a04a937..5aa57530 100644
--- a/wxdata/source/scwx/wsr88d/rpg/unlinked_vector_packet.cpp
+++ b/wxdata/source/scwx/wsr88d/rpg/unlinked_vector_packet.cpp
@@ -32,10 +32,10 @@ public:
    uint16_t lengthOfBlock_;
    uint16_t valueOfVector_;
 
-   std::vector<uint16_t> beginI_;
-   std::vector<uint16_t> beginJ_;
-   std::vector<uint16_t> endI_;
-   std::vector<uint16_t> endJ_;
+   std::vector<int16_t> beginI_;
+   std::vector<int16_t> beginJ_;
+   std::vector<int16_t> endI_;
+   std::vector<int16_t> endJ_;
 };
 
 UnlinkedVectorPacket::UnlinkedVectorPacket() :
@@ -103,11 +103,11 @@ bool UnlinkedVectorPacket::Parse(std::istream& is)
 
    // The number of vectors is equal to the size divided by the number of bytes
    // in a vector
-   int      vectorCount = vectorSize / 8;
-   uint16_t beginI;
-   uint16_t beginJ;
-   uint16_t endI;
-   uint16_t endJ;
+   int     vectorCount = vectorSize / 8;
+   int16_t beginI;
+   int16_t beginJ;
+   int16_t endI;
+   int16_t endJ;
 
    for (int v = 0; v < vectorCount && !is.eof(); v++)
    {