diff --git a/Makefile b/Makefile
index 70f38aa..6c9938b 100644
--- a/Makefile
+++ b/Makefile
@@ -3,3 +3,4 @@ all:
 
 generate:
 	sqlc generate -f sql/sqlc.yaml
+	protoc -I=pkg/pb/ --go_out=pkg/ pkg/pb/stillbox.proto
diff --git a/pkg/pb/stillbox.pb.go b/pkg/pb/stillbox.pb.go
new file mode 100644
index 0000000..4b6fdb2
--- /dev/null
+++ b/pkg/pb/stillbox.pb.go
@@ -0,0 +1,246 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v5.27.2
+// source: stillbox.proto
+
+package pb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Call struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AudioName   string                 `protobuf:"bytes,1,opt,name=audio_name,json=audioName,proto3" json:"audio_name,omitempty"`
+	AudioType   string                 `protobuf:"bytes,2,opt,name=audio_type,json=audioType,proto3" json:"audio_type,omitempty"`
+	DateTime    *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=date_time,json=dateTime,proto3" json:"date_time,omitempty"`
+	System      int32                  `protobuf:"varint,4,opt,name=system,proto3" json:"system,omitempty"`
+	Talkgroup   int32                  `protobuf:"varint,5,opt,name=talkgroup,proto3" json:"talkgroup,omitempty"`
+	Source      int32                  `protobuf:"varint,6,opt,name=source,proto3" json:"source,omitempty"`
+	Frequency   int64                  `protobuf:"varint,7,opt,name=frequency,proto3" json:"frequency,omitempty"`
+	Frequencies []int64                `protobuf:"varint,8,rep,packed,name=frequencies,proto3" json:"frequencies,omitempty"`
+	Patches     []int32                `protobuf:"varint,9,rep,packed,name=patches,proto3" json:"patches,omitempty"`
+	Sources     []int32                `protobuf:"varint,10,rep,packed,name=sources,proto3" json:"sources,omitempty"`
+	Audio       []byte                 `protobuf:"bytes,11,opt,name=audio,proto3" json:"audio,omitempty"`
+}
+
+func (x *Call) Reset() {
+	*x = Call{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stillbox_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Call) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Call) ProtoMessage() {}
+
+func (x *Call) ProtoReflect() protoreflect.Message {
+	mi := &file_stillbox_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Call.ProtoReflect.Descriptor instead.
+func (*Call) Descriptor() ([]byte, []int) {
+	return file_stillbox_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Call) GetAudioName() string {
+	if x != nil {
+		return x.AudioName
+	}
+	return ""
+}
+
+func (x *Call) GetAudioType() string {
+	if x != nil {
+		return x.AudioType
+	}
+	return ""
+}
+
+func (x *Call) GetDateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.DateTime
+	}
+	return nil
+}
+
+func (x *Call) GetSystem() int32 {
+	if x != nil {
+		return x.System
+	}
+	return 0
+}
+
+func (x *Call) GetTalkgroup() int32 {
+	if x != nil {
+		return x.Talkgroup
+	}
+	return 0
+}
+
+func (x *Call) GetSource() int32 {
+	if x != nil {
+		return x.Source
+	}
+	return 0
+}
+
+func (x *Call) GetFrequency() int64 {
+	if x != nil {
+		return x.Frequency
+	}
+	return 0
+}
+
+func (x *Call) GetFrequencies() []int64 {
+	if x != nil {
+		return x.Frequencies
+	}
+	return nil
+}
+
+func (x *Call) GetPatches() []int32 {
+	if x != nil {
+		return x.Patches
+	}
+	return nil
+}
+
+func (x *Call) GetSources() []int32 {
+	if x != nil {
+		return x.Sources
+	}
+	return nil
+}
+
+func (x *Call) GetAudio() []byte {
+	if x != nil {
+		return x.Audio
+	}
+	return nil
+}
+
+var File_stillbox_proto protoreflect.FileDescriptor
+
+var file_stillbox_proto_rawDesc = []byte{
+	0x0a, 0x0e, 0x73, 0x74, 0x69, 0x6c, 0x6c, 0x62, 0x6f, 0x78, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x12, 0x08, 0x73, 0x74, 0x69, 0x6c, 0x6c, 0x62, 0x6f, 0x78, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67,
+	0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65,
+	0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd5, 0x02, 0x0a, 0x04,
+	0x43, 0x61, 0x6c, 0x6c, 0x12, 0x1d, 0x0a, 0x0a, 0x61, 0x75, 0x64, 0x69, 0x6f, 0x5f, 0x6e, 0x61,
+	0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x61, 0x75, 0x64, 0x69, 0x6f, 0x4e,
+	0x61, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x61, 0x75, 0x64, 0x69, 0x6f, 0x5f, 0x74, 0x79, 0x70,
+	0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x61, 0x75, 0x64, 0x69, 0x6f, 0x54, 0x79,
+	0x70, 0x65, 0x12, 0x37, 0x0a, 0x09, 0x64, 0x61, 0x74, 0x65, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18,
+	0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d,
+	0x70, 0x52, 0x08, 0x64, 0x61, 0x74, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x73,
+	0x79, 0x73, 0x74, 0x65, 0x6d, 0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x73, 0x79, 0x73,
+	0x74, 0x65, 0x6d, 0x12, 0x1c, 0x0a, 0x09, 0x74, 0x61, 0x6c, 0x6b, 0x67, 0x72, 0x6f, 0x75, 0x70,
+	0x18, 0x05, 0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x74, 0x61, 0x6c, 0x6b, 0x67, 0x72, 0x6f, 0x75,
+	0x70, 0x12, 0x16, 0x0a, 0x06, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x18, 0x06, 0x20, 0x01, 0x28,
+	0x05, 0x52, 0x06, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x12, 0x1c, 0x0a, 0x09, 0x66, 0x72, 0x65,
+	0x71, 0x75, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x07, 0x20, 0x01, 0x28, 0x03, 0x52, 0x09, 0x66, 0x72,
+	0x65, 0x71, 0x75, 0x65, 0x6e, 0x63, 0x79, 0x12, 0x20, 0x0a, 0x0b, 0x66, 0x72, 0x65, 0x71, 0x75,
+	0x65, 0x6e, 0x63, 0x69, 0x65, 0x73, 0x18, 0x08, 0x20, 0x03, 0x28, 0x03, 0x52, 0x0b, 0x66, 0x72,
+	0x65, 0x71, 0x75, 0x65, 0x6e, 0x63, 0x69, 0x65, 0x73, 0x12, 0x18, 0x0a, 0x07, 0x70, 0x61, 0x74,
+	0x63, 0x68, 0x65, 0x73, 0x18, 0x09, 0x20, 0x03, 0x28, 0x05, 0x52, 0x07, 0x70, 0x61, 0x74, 0x63,
+	0x68, 0x65, 0x73, 0x12, 0x18, 0x0a, 0x07, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x73, 0x18, 0x0a,
+	0x20, 0x03, 0x28, 0x05, 0x52, 0x07, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x73, 0x12, 0x14, 0x0a,
+	0x05, 0x61, 0x75, 0x64, 0x69, 0x6f, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x61, 0x75,
+	0x64, 0x69, 0x6f, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_stillbox_proto_rawDescOnce sync.Once
+	file_stillbox_proto_rawDescData = file_stillbox_proto_rawDesc
+)
+
+func file_stillbox_proto_rawDescGZIP() []byte {
+	file_stillbox_proto_rawDescOnce.Do(func() {
+		file_stillbox_proto_rawDescData = protoimpl.X.CompressGZIP(file_stillbox_proto_rawDescData)
+	})
+	return file_stillbox_proto_rawDescData
+}
+
+var file_stillbox_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_stillbox_proto_goTypes = []any{
+	(*Call)(nil),                  // 0: stillbox.Call
+	(*timestamppb.Timestamp)(nil), // 1: google.protobuf.Timestamp
+}
+var file_stillbox_proto_depIdxs = []int32{
+	1, // 0: stillbox.Call.date_time:type_name -> google.protobuf.Timestamp
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_stillbox_proto_init() }
+func file_stillbox_proto_init() {
+	if File_stillbox_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_stillbox_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*Call); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_stillbox_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_stillbox_proto_goTypes,
+		DependencyIndexes: file_stillbox_proto_depIdxs,
+		MessageInfos:      file_stillbox_proto_msgTypes,
+	}.Build()
+	File_stillbox_proto = out.File
+	file_stillbox_proto_rawDesc = nil
+	file_stillbox_proto_goTypes = nil
+	file_stillbox_proto_depIdxs = nil
+}
diff --git a/pkg/pb/stillbox.proto b/pkg/pb/stillbox.proto
new file mode 100644
index 0000000..efe6d78
--- /dev/null
+++ b/pkg/pb/stillbox.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+package stillbox;
+option go_package = "./pb";
+
+import "google/protobuf/timestamp.proto";
+
+message Call {
+  string audio_name = 1;
+  string audio_type = 2;
+  google.protobuf.Timestamp date_time = 3;
+  int32 system = 4;
+  int32 talkgroup = 5;
+  int32 source = 6;
+  int64 frequency = 7;
+  repeated int64 frequencies = 8;
+  repeated int32 patches = 9;
+  repeated int32 sources = 10;
+  bytes audio = 11;
+}