MIL-STD-291 Standard Tactical Air Navigation Tacan SignalThis standard defines the Standard TACAN Signal. The characteristics and tolerances specified will ensure compatibility of all airborne and ground equipment.

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Airborne 1/

Airborne 2/

Airborne

Ground

Airborne

A/A Mode

Interrog.

A/A Mode

Reply

Ground

Interrog.

Transponding

Pulse

Receiving

Freq.

Reply Pulse

Channel

Freq. MHz

Freq. MHz

Spacing µsec

Freq. MHz

MHz

Spacing µsec

104Y

1128

1128

36

1065

1065

30

105X

1129

1129

12

1066

1192

12

105Y

1129

1129

36

1066

1066

30

106X

1130

1130

12

1067

1193

12

106Y

1130

1130

36

1067

1067

30

107X

1131

1131

12

1068

1194

12

107Y

1131

1131

36

1068

1068

30

108X

1132

1132

12

1069

1195

12

108Y

1132

1132

36

1069

1069

30

109X

1133

1133

12

1070

1196

12

109Y

1133

1133

36

1070

1070

30

110X

1134

1134

12

1071

1197

12

110Y

1134

1134

36

1071

1071

30

111X

1135

1135

12

1072

1198

12

111Y

1135

1135

36

1072

1072

30

112X

1136

1136

12

1073

1199

12

112Y

1136

1136

36

1073

1073

30

113X

1137

1137

12

1074

1200

12

113Y

1137

1137

36

1074

1074

30

114X

1138

1138

12

1075

1201

12

114Y

1138

1138

36

1075

1075

30

115X

1139

1139

12

1076

1202

12

115Y

1139

1139

36

1076

1076

30

116X

1140

1140

12

1077

1203

12

116Y

1140

1140

36

1077

1077

30

117X

1141

1141

12

1078

1204

12

117Y

1141

1141

36

1078

1078

30

118X

1142

1142

12

1079

1205

12

118Y

1142

1142

36

1079

1079

30

119X

1143

1143

12

1080

1206

12

119Y

1143

1143

36

1080

1080

30

120X

1144

1144

12

1081

1207

12

120Y

1144

1144

36

1081

1081

30

121X

1145

1145

12

1082

1208

30

121Y

1145

1145

36

1082

1082

12

122X

1146

1146

12

1083

1209

12

122Y

1146

1146

36

1083

1083

30

123X

1147

1147

15

12

1084

1210

12