diff --git a/cmd/parse_line.go b/cmd/parse_line.go
index c9f9362..ee974b1 100644
--- a/cmd/parse_line.go
+++ b/cmd/parse_line.go
@@ -32,6 +32,7 @@ type LogLine struct {
 	QslMsg    string
 	Nickname  string
 	Mode      string
+	ModeType  string
 	Band      string
 	BandLowerLimit float32
 	BandUpperLimit float32
@@ -46,11 +47,11 @@ type LogLine struct {
 	RSTrcvd   string
 }
 
-var regexpIsBand = regexp.MustCompile("m$")
 var regexpIsFullTime = regexp.MustCompile("^[0-2]{1}[0-9]{3}$")
 var regexpIsTimePart = regexp.MustCompile("^[0-5]{1}[0-9]{1}$|^[1-9]{1}$")
 var regexpIsOMname = regexp.MustCompile("^@")
 var regexpIsGridLoc = regexp.MustCompile("^#")
+var regexpIsRst = regexp.MustCompile("^[\\d]{1,3}$")
 
 // ParseLine cuts a FLE line into useful bits
 func ParseLine(inputStr string, previousLine LogLine) (logLine LogLine, errorMsg string){
@@ -59,6 +60,9 @@ func ParseLine(inputStr string, previousLine LogLine) (logLine LogLine, errorMsg
 	//Flag telling that we are processing data to the right of the callsign
 	isRightOfCall := false
 
+	//Flag used to know if we are parsing the Sent RST (first) or received RST (second)
+	haveSentRST := false
+
 	//TODO: Make something more intelligent
 	//TODO: What happens if we have partial lines
 	previousLine.Call = ""
@@ -92,12 +96,15 @@ func ParseLine(inputStr string, previousLine LogLine) (logLine LogLine, errorMsg
 			if (logLine.RSTsent == "") || (logLine.RSTrcvd == "") {
 				switch logLine.Mode {
 				case "SSB", "AM", "FM" :
+					logLine.ModeType = "PHONE"
 					logLine.RSTsent = "59"
 					logLine.RSTrcvd = "59"
 				case "CW", "RTTY", "PSK":
+					logLine.ModeType = "CW"
 					logLine.RSTsent = "599"
 					logLine.RSTrcvd = "599"
 				case "JT65", "JT9", "JT6M", "JT4", "JT44", "FSK441", "FT8", "ISCAT", "MSK144", "QRA64", "T10", "WSPR" :
+					logLine.ModeType = "DIGITAL"
 					logLine.RSTsent = "-10"
 					logLine.RSTrcvd = "-10"				
 				}
@@ -161,8 +168,41 @@ func ParseLine(inputStr string, previousLine LogLine) (logLine LogLine, errorMsg
 
 		if isRightOfCall {
 			//This is probably a RST
-			//TODO: is it a number (or a data report)
-			//TODO: it is sent or rcvd
+			if regexpIsRst.MatchString(element) {
+				workRST := ""
+				switch len(element) {
+				case 1:
+					if logLine.ModeType == "CW" {
+						workRST = "5" + element + "9"
+					} else { 
+						if logLine.ModeType == "PHONE" {
+							workRST = "5" + element
+						}						
+					}
+				case 2:
+					if logLine.ModeType == "CW" {
+						workRST = element + "9"
+					} else { 
+						if logLine.ModeType == "PHONE" {
+							workRST = element
+						}						
+					}
+				case 3:
+					if logLine.ModeType == "CW" {
+						workRST = element
+					} else {
+						workRST = "*" + element
+						errorMsg = errorMsg + "Invalid report (" + element + ") for " + logLine.ModeType + " mode "
+					}
+				}
+				if haveSentRST {
+					logLine.RSTrcvd = workRST
+				} else {
+					logLine.RSTsent = workRST
+					haveSentRST = true
+				}
+				continue
+			}
 		}
 
 		//If we come here, we could not make sense of what we found
@@ -188,6 +228,7 @@ func SprintLogRecord(logLine LogLine) (output string){
 	output = output + "QslMsg    " + logLine.QslMsg + "\n"
 	output = output + "Nickname  " + logLine.Nickname + "\n"
 	output = output + "Mode      " + logLine.Mode + "\n"
+	output = output + "ModeType  " + logLine.ModeType + "\n"
 	output = output + "Band      " + logLine.Band + "\n"
 	output = output + "  Lower   " + fmt.Sprintf("%f", logLine.BandLowerLimit) + "\n"
 	output = output + "  Upper   " + fmt.Sprintf("%f", logLine.BandLowerLimit) + "\n"
diff --git a/cmd/parse_line_test.go b/cmd/parse_line_test.go
index 2c3600d..b56fc66 100644
--- a/cmd/parse_line_test.go
+++ b/cmd/parse_line_test.go
@@ -20,7 +20,7 @@ func TestParseLine(t *testing.T) {
 		{
 			"Parse band and mode only", 
 			args{ inputStr: "40M cw", previousLine: LogLine{ Mode: "SSB", }}, 
-			LogLine{ Band: "40m", BandLowerLimit: 7, BandUpperLimit: 7.3, Mode: "CW", RSTsent: "599", RSTrcvd: "599"}, "",
+			LogLine{ Band: "40m", BandLowerLimit: 7, BandUpperLimit: 7.3, Mode: "CW", ModeType: "CW", RSTsent: "599", RSTrcvd: "599"}, "",
 		},
 		{
 			"Parse for time", 
@@ -68,9 +68,34 @@ func TestParseLine(t *testing.T) {
 			LogLine{ GridLoc: "grid", Mode: "SSB",}, "",
 		},
 		{
-			"parse partial RST", 
-			args{ inputStr: "1230 on4kjm 5", previousLine: LogLine{ Mode: "CW", }}, 
-			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "559", Mode: "CW",}, "",
+			"parse partial RST (sent) - CW", 
+			args{ inputStr: "1230 on4kjm 5", previousLine: LogLine{ Mode: "CW", ModeType: "CW"}}, 
+			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "559", Mode: "CW", ModeType: "CW"}, "",
+		},
+		{
+			"parse partial RST (received) - CW", 
+			args{ inputStr: "1230 on4kjm 5 44", previousLine: LogLine{ Mode: "CW", ModeType: "CW"}}, 
+			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "559", RSTrcvd: "449", Mode: "CW", ModeType: "CW"}, "",
+		},
+		{
+			"parse full RST (received) - CW", 
+			args{ inputStr: "1230 on4kjm 5 448", previousLine: LogLine{ Mode: "CW", ModeType: "CW"}}, 
+			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "559", RSTrcvd: "448", Mode: "CW", ModeType: "CW"}, "",
+		},
+		{
+			"parse partial report (sent) - FM", 
+			args{ inputStr: "1230 on4kjm 5", previousLine: LogLine{ Mode: "FM", ModeType: "PHONE"}}, 
+			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "55", Mode: "FM", ModeType: "PHONE"}, "",
+		},
+		{
+			"parse partial report (received) - FM", 
+			args{ inputStr: "1230 on4kjm 5 44", previousLine: LogLine{ Mode: "FM", ModeType: "PHONE"}}, 
+			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "55", RSTrcvd: "44", Mode: "FM", ModeType: "PHONE"}, "",
+		},
+		{
+			"Incompatible report", 
+			args{ inputStr: "1230 on4kjm 5 599", previousLine: LogLine{ Mode: "FM", ModeType: "PHONE"}}, 
+			LogLine{ Call: "ON4KJM", Time: "1230", RSTsent: "55", RSTrcvd: "*599", Mode: "FM", ModeType: "PHONE"}, "Invalid report (599) for PHONE mode ",
 		},
 	}
 	for _, tt := range tests {
diff --git a/todo.md b/todo.md
index 02113f4..67b12dc 100644
--- a/todo.md
+++ b/todo.md
@@ -12,7 +12,7 @@
 
 
 ## Input processing
-* [ ] infer rst
+* [ ] infer RST
 * [ ] DATE keyword is now optional
 * [ ] New MYGRID keyword
 * [ ] Create the logic to take over from the previous line
@@ -22,3 +22,7 @@
 * [ ] Support date increment
 * [ ] decode and check frequency 
 
+## Later 
+* [ ] Process contest reports
+* [ ] Infer digital mode report
+