diff --git a/README.md b/README.md
index 8d16990..022c404 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ for details on supported boards, and additional setup instructions.
 Manufacturer | Model | Position | Temperature | Humidity | Pressure
 -------------|-------|----------|-------------|----------|----------
 Vaisala | RS92-SGP/NGP | :heavy_check_mark: | :heavy_check_mark: | :x: | :x:
-Vaisala | RS41-SG/SGP/SGM | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :x:
+Vaisala | RS41-SG/SGP/SGM | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark:
 Graw | DFM06/09/17 | :heavy_check_mark: | :x: | :x: | :x:
 Meteomodem | M10 | :heavy_check_mark: | :x: | :x: | Not Sent
 Meteomodem | M20 | :heavy_check_mark: | :x: | :x: | Not Sent
diff --git a/RX_FSK/RX_FSK.ino b/RX_FSK/RX_FSK.ino
index 535f0b8..68f2bd7 100644
--- a/RX_FSK/RX_FSK.ino
+++ b/RX_FSK/RX_FSK.ino
@@ -1,4 +1,3 @@
-
 #include "features.h"
 #include "version.h"
 
@@ -90,6 +89,8 @@ WiFiClient tncclient;
 // JSON over TCP for communicating with my kotlin andoird test stuff
 WiFiServer rdzserver(14570);
 WiFiClient rdzclient;
+// APRS over TCP for radiosondy.info etc
+AsyncClient tcpclient;
 
 #if FEATURE_MQTT
 unsigned long lastMqttUptime = 0;
@@ -2510,7 +2511,7 @@ void loopDecoder() {
     // first check if ID and position lat+lonis ok
 
     if (s->d.validID && ((s->d.validPos & 0x03) == 0x03)) {
-      const char *str = aprs_senddata(s, sonde.config.call, sonde.config.udpfeed.symbol);
+      char *str = aprs_senddata(s, sonde.config.call, sonde.config.udpfeed.symbol);
       if (connected)  {
         char raw[201];
         int rawlen = aprsstr_mon2raw(str, raw, APRS_MAXLEN);
@@ -2527,6 +2528,22 @@ void loopDecoder() {
         Serial.print("sending: "); Serial.println(raw);
         tncclient.write(raw, rawlen);
       }
+      if(sonde.config.tcpfeed.active) {
+	  static unsigned long lasttcp = 0;
+	  static bool loginok = false;
+	  if( tcpclient.disconnected()) {
+	      tcpclient.connect(sonde.config.tcpfeed.host, sonde.config.tcpfeed.port);
+	  }
+	  else if( tcpclient.connected() ) {
+	      unsigned long now = millis();
+	      if( (now-lasttcp) > sonde.config.tcpfeed.highrate*1000L ) {
+		  strcat(str,"\r\n");
+		  Serial.print(str);
+		  tcpclient.write(str, strlen(str));
+		  lasttcp = now;
+	      }
+	  }
+      }
 #if FEATURE_CHASEMAPPER
       if (sonde.config.cm.active) {
         Chasemapper::send(udp, s);
@@ -2759,6 +2776,15 @@ void enableNetwork(bool enable) {
     MDNS.end();
     connected = false;
   }
+  tcpclient.onConnect([](void *arg, AsyncClient *s) {
+    Serial.write("APRS: TCP connected\n");
+    char buf[128];
+    snprintf(buf, 128, "user %s pass %d vers %s %s\r\n", sonde.config.call, sonde.config.passcode, version_name, version_id);
+    s->write(buf, strlen(buf));
+  });
+  tcpclient.onData([](void *arg, AsyncClient *c, void *data, size_t len) {
+    Serial.write((const uint8_t *)data, len);
+  });
   Serial.println("enableNetwork done");
 }
 
@@ -3578,7 +3604,7 @@ void sondehub_reply_handler(WiFiClient * client) {
 
   // also handle periodic station updates here...
   // interval check moved to sondehub_station_update to avoid having to calculate distance in auto mode twice
-  if (shState == SH_CONN_IDLE) {
+  if (shState == SH_CONN_IDLE || shState == SH_DISCONNECTED ) {
     // (do not set station update while a telemetry report is being sent
     sondehub_station_update(&shclient, &sonde.config.sondehub);
   }
@@ -3749,6 +3775,12 @@ void sondehub_send_data(WiFiClient * client, SondeInfo * s, struct st_sondehub *
     w += strlen(w);
   }
 
+  // Only send pressure if provided
+  if (!isnan(s->d.pressure)) {
+    sprintf(w, "\"pressure\": %.2f,", s->d.pressure);
+    w += strlen(w);
+  }
+
   // Only send burst timer if RS41 and fresh within the last 51s
   if ((realtype == STYPE_RS41) && (s->d.crefKT > 0) && (s->d.vframe - s->d.crefKT < 51)) {
     sprintf(w, "\"burst_timer\": %d,", (int)s->d.countKT);
diff --git a/RX_FSK/data/cfg.js b/RX_FSK/data/cfg.js
index bcda035..39bba11 100644
--- a/RX_FSK/data/cfg.js
+++ b/RX_FSK/data/cfg.js
@@ -69,7 +69,7 @@ var cfgs = [
 [ "sondehub.fiactive", "SondeHub frequency import active (0=disabled, 1=active)" ],
 [ "sondehub.fiinterval", "Import frequency (minutes, &geq; 5)" ],
 [ "sondehub.fimaxdist", "Import maximum distance (km, &leq; 500)" ],
-[ "sondehub.fimaxage", "Import maximum age (hours, &leq; 24)" ],
+[ "sondehub.fimaxage", "Import maximum age (hours, &leq; 48)" ],
 [ "", "Hardware configuration (requires reboot)", "https://github.com/dl9rdz/rdz_ttgo_sonde/wiki/Hardware-configuration"],
 [ "disptype", "Display type (0=OLED/SSD1306, 1=ILI9225, 2=OLED/SH1106, 3=ILI9341, 4=ILI9342)"],
 [ "oled_sda", "OLED SDA/TFT SDA"],
diff --git a/RX_FSK/data/config.txt b/RX_FSK/data/config.txt
index 7babac7..73f7250 100644
--- a/RX_FSK/data/config.txt
+++ b/RX_FSK/data/config.txt
@@ -85,8 +85,8 @@ dfm.rxbw=10400
 # s1: igs.bkg.bund.de/IGS/BRDC/
 # s2: www.ngs.noaa.gov/cors/rinex/
 #-------------------------------#
-ephftp=www.ngs.noaa.gov/cors/rinex/
-#ephftp=igs.bkg.bund.de/IGS/BRDC/
+#ephftp=www.ngs.noaa.gov/cors/rinex/
+ephftp=igs.bkg.bund.de/IGS/BRDC/
 #-------------------------------#
 # axudp for sending to aprsmap
 #-------------------------------#
diff --git a/RX_FSK/src/Chasemapper.cpp b/RX_FSK/src/Chasemapper.cpp
index 7dddeee..166abaf 100644
--- a/RX_FSK/src/Chasemapper.cpp
+++ b/RX_FSK/src/Chasemapper.cpp
@@ -13,8 +13,8 @@ int Chasemapper::send(WiFiUDP &udp, SondeInfo *si) {
 	}
 	sprintf(buf, "{ \"type\": \"PAYLOAD_SUMMARY\","
 		"\"callsign\": \"%s\","
-		"\"latitude\": %g,"
-		"\"longitude\": %g,"
+		"\"latitude\": %.5f,"
+		"\"longitude\": %.5f,"
 		"\"altitude\": %d,"
 		"\"speed\": %d,"
 		"\"heading\": %d,"
@@ -31,7 +31,7 @@ int Chasemapper::send(WiFiUDP &udp, SondeInfo *si) {
 		sondeTypeStrSH[realtype],
 		si->freq);
 	if( !isnan(si->d.temperature) ) {
-		sprintf(buf + strlen(buf), ", \"temp\": %g", si->d.temperature);
+		sprintf(buf + strlen(buf), ", \"temp\": %.1f", si->d.temperature);
 	}
 	strcat(buf, "}");
 	Serial.printf("Sending chasemapper json: %s\n", buf);
diff --git a/RX_FSK/src/RS41.cpp b/RX_FSK/src/RS41.cpp
index 06e8bc6..ce6768d 100644
--- a/RX_FSK/src/RS41.cpp
+++ b/RX_FSK/src/RS41.cpp
@@ -435,11 +435,15 @@ static void posrs41(const byte b[], uint32_t b_len, uint32_t p)
    x = (double)getint32(b, b_len, p)*0.01;
    y = (double)getint32(b, b_len, p+4UL)*0.01;
    z = (double)getint32(b, b_len, p+8UL)*0.01;
-   if(x==0 && y==0 && z==0) {
+   uint8_t sats = getcard16(b, b_len, p+18UL)&255UL;
+   Serial.printf("x:%g, y:%g, z:%g  sats:%d\n", x, y, z, sats);
+   if( sats<4 || (x==0 && y==0 && z==0) ) {
       // RS41 sometimes sends frame with all 0
+      // or, if sats<4, data is simply garbage. do not use.
       if(si->validPos) si->validPos |= 0x80; // flag as old
       return;
    }
+   si->sats = sats;
    wgs84r(x, y, z, &lat, &long0, &heig);
    Serial.print(" ");
    si->lat = (float)(X2C_DIVL(lat,1.7453292519943E-2));
@@ -471,10 +475,6 @@ static void posrs41(const byte b[], uint32_t b_len, uint32_t p)
    Serial.print((float)vu);
    si->vs = vu;
    Serial.print("m/s ");
-   uint8_t sats = getcard16(b, b_len, p+18UL)&255UL;
-   Serial.print(sats);
-   Serial.print("Sats");
-   si->sats = sats;
    si->alt = heig;
    if( 0==(int)(lat*10000) && 0==(int)(long0*10000) ) {
       if(si->validPos) {
@@ -554,6 +554,36 @@ static float _RS41_waterVaporSaturationPressure (float Tcelsius)
     return p / 100.0f;
 }
 
+#define PM(x) calibration->value.matrixP[x]
+// CALIB_P: matrixP (frames 0x25..0x2A) and type (frame 0x21)
+#define CALIB_P ((0x3Fll<<0x25)|(1ll<<0x21))
+float GetRAP( uint32_t m, uint32_t m1, uint32_t m2, int16_t ptraw) {
+   struct subframeBuffer *calibration = (struct subframeBuffer *)sonde.si()->extra;
+   float pt = (float)ptraw*0.01;
+   float pw[6];
+   pw[0] = PM(0) + pt*PM(7) + pt*pt*PM(11) + pt*pt*pt*PM(15);
+   pw[1] = PM(1) + pt*PM(8) + pt*pt*PM(12) + pt*pt*pt*PM(16);
+   pw[2] = PM(2) + pt*PM(9) + pt*pt*PM(13) + pt*pt*pt*PM(17);
+   pw[3] = PM(3) + pt*PM(10)+ pt*pt*PM(14);
+   pw[4] = PM(4);
+   pw[5] = PM(5);
+   float f = (float)m; //meas[9];
+   float f1 = (float)m1; //meas[10];
+   float f2 = (float)m2;  //meas[11];
+   float r = f-f1;
+   if(r!=0.0) {
+      r = (f2-f1) * PM(6) / r;
+      float xx = 1.0;
+      float p = 0.0;
+      for(int i=0; i<=5; i++) {
+         p += pw[i] * xx;
+         xx = xx * r;
+      }
+      return p;
+   }
+   return NAN;
+}
+
 // taken from https://github.com/einergehtnochrein/ra-firmware
 float GetRATemp( uint32_t measuredCurrent, uint32_t refMin, uint32_t refMax, float calT, float taylorT[3], float polyT[6] ) {
    struct subframeBuffer *calibration = (struct subframeBuffer *)sonde.si()->extra;
@@ -639,7 +669,7 @@ float GetRAHumidity( uint32_t humCurrent, uint32_t humMin, uint32_t humMax, floa
 int RS41::decode41(byte *data, int maxlen)
 {
 	char buf[128];	
-	int crcok = 0;
+	int crcok = 1;
 	SondeData *si = &(sonde.si()->d);
 
 	int32_t corr = reedsolomon41(data, 560, 131);  // try short frame first
@@ -675,8 +705,8 @@ int RS41::decode41(byte *data, int maxlen)
 		// check CRC
 		if(!crcrs(data, 560, p, p+len)) {
 			Serial.println("###CRC ERROR###");
+			crcok = 0;
 		} else {	
-		crcok = 1;
 		switch(typ) {
 		case 'y': // name
 			{
@@ -751,11 +781,10 @@ int RS41::decode41(byte *data, int maxlen)
 			   uint32_t tempHumiMain = getint24(data, 560, p+18);
 			   uint32_t tempHumiRef1 = getint24(data, 560, p+21);
 			   uint32_t tempHumiRef2 = getint24(data, 560, p+24);
-	    #if 0
 			   uint32_t pressureMain = getint24(data, 560, p+27);
 			   uint32_t pressureRef1 = getint24(data, 560, p+30);
 			   uint32_t pressureRef2 = getint24(data, 560, p+33);
-	    #endif
+			   int16_t  ptraw = getint16(data, 560, p+38);
             #if 0
                Serial.printf( "External temp: tempMeasMain = %ld, tempMeasRef1 = %ld, tempMeasRef2 = %ld\n", tempMeasMain, tempMeasRef1, tempMeasRef2 );
                Serial.printf( "Rel  Humidity: humidityMain = %ld, humidityRef1 = %ld, humidityRef2 = %ld\n", humidityMain, humidityRef1, humidityRef2 );
@@ -767,6 +796,13 @@ int RS41::decode41(byte *data, int maxlen)
 	         bool validExternalTemperature = calibration!=NULL && (calibration->valid & 0xF8) == 0xF8;
 	         bool validHumidity = calibration!=NULL && (calibration->valid & 0x7FE0001FFFF8) == 0x7FE0001FFFF8;
 
+		 bool validPressure = calibration!=NULL && (calibration->valid & CALIB_P)==CALIB_P && calibration->value.names.variant[7]=='P';
+
+	    if ( validPressure ) {
+	       si->pressure = GetRAP( pressureMain, pressureRef1, pressureRef2, ptraw );
+	       Serial.printf("Pressure sensor = %f\n", si->pressure);
+	    }
+
             if ( validExternalTemperature ) {
                si->temperature = GetRATemp( tempMeasMain, tempMeasRef1, tempMeasRef2,
                                  calibration->value.calT, calibration->value.taylorT, calibration->value.polyT );
@@ -791,7 +827,7 @@ int RS41::decode41(byte *data, int maxlen)
 		p += len;
 		Serial.println();
 	}
-	return crcok ? 0 : -1;
+	return crcok ? 0 : RX_ERROR;
 }
 void RS41::printRaw(uint8_t *data, int len)
 {
diff --git a/RX_FSK/src/ShFreqImport.cpp b/RX_FSK/src/ShFreqImport.cpp
index 3bd7aa9..4da63b1 100644
--- a/RX_FSK/src/ShFreqImport.cpp
+++ b/RX_FSK/src/ShFreqImport.cpp
@@ -90,6 +90,7 @@ void ShFreqImport::populate(char *id, float lat, float lon, float freq, const ch
 	return;
     } // no more free slots
 
+    sonde.clearAllData(&sonde.sondeList[ppos]);
     sonde.sondeList[ppos].active = 1;
     sonde.sondeList[ppos].freq = freq;
     sonde.sondeList[ppos].type = (SondeType)stype;
diff --git a/RX_FSK/src/Sonde.cpp b/RX_FSK/src/Sonde.cpp
index ed4f3f7..318accd 100644
--- a/RX_FSK/src/Sonde.cpp
+++ b/RX_FSK/src/Sonde.cpp
@@ -273,6 +273,7 @@ void Sonde::checkConfig() {
 	if(config.maxsonde > MAXSONDE) config.maxsonde = MAXSONDE;
 	if(config.sondehub.fiinterval<5) config.sondehub.fiinterval = 5;
 	if(config.sondehub.fimaxdist>500) config.sondehub.fimaxdist = 500;
+	if(config.sondehub.fimaxage>48) config.sondehub.fimaxage = 48;
 	if(config.sondehub.fimaxdist==0) config.sondehub.fimaxdist = 150;
 	if(config.sondehub.fimaxage==0) config.sondehub.fimaxage = 2;
 }
@@ -675,7 +676,7 @@ void Sonde::clearAllData(SondeInfo *si) {
 	memset(&(si->d), 0, sizeof(SondeData));
 	// set floats to NaN
 	si->d.lat = si->d.lon = si->d.alt = si->d.vs = si->d.hs = si->d.dir = NAN;
-	si->d.temperature = si->d.tempRHSensor = si->d.relativeHumidity = si->d.batteryVoltage = NAN;
+	si->d.temperature = si->d.tempRHSensor = si->d.relativeHumidity = si->d.pressure = si->d.batteryVoltage = NAN;
 }
 
 void Sonde::updateDisplayPos() {
diff --git a/RX_FSK/src/Sonde.h b/RX_FSK/src/Sonde.h
index 01db603..8381f0a 100644
--- a/RX_FSK/src/Sonde.h
+++ b/RX_FSK/src/Sonde.h
@@ -99,9 +99,10 @@ typedef struct st_sondedata {
 	uint16_t launchKT, burstKT, countKT;
 	uint16_t crefKT; // frame number in which countKT was last sent
 	// sonde specific extra data, NULL if unused or not yet initialized, currently used for RS41 subframe data (calibration)
-	float temperature = -300.0; // platinum resistor temperature
-	float tempRHSensor = -300.0; // temperature of relative humidity sensor
-	float relativeHumidity = -1.0; // relative humidity
+	float temperature; // platinum resistor temperature
+	float tempRHSensor; // temperature of relative humidity sensor
+	float relativeHumidity; // relative humidity
+	float pressure;
 	float batteryVoltage = -1;
 } SondeData;
 
diff --git a/RX_FSK/src/aprs.cpp b/RX_FSK/src/aprs.cpp
index f827b78..913a1a5 100644
--- a/RX_FSK/src/aprs.cpp
+++ b/RX_FSK/src/aprs.cpp
@@ -298,7 +298,7 @@ char *aprs_senddata(SondeInfo *si, const char *usercall, const char *sym) {
 	i=strlen(b);
 	snprintf(b+i, APRS_MAXLEN-i, "!w%c%c!", 33+dao91(s->lat), 33+dao91(s->lon));
 
-	strcat(b, "&");
+	// ??? strcat(b, "&");
 	char comm[100];
         snprintf(comm, 100, "Clb=%.1fm/s %.3fMHz Type=%s", s->vs, si->freq, sondeTypeStr[si->type]);
 	strcat(b, comm);
diff --git a/RX_FSK/version.h b/RX_FSK/version.h
index 4fa1af3..9107600 100644
--- a/RX_FSK/version.h
+++ b/RX_FSK/version.h
@@ -1,4 +1,4 @@
 const char *version_name = "rdzTTGOsonde";
-const char *version_id = "devel20210922";
+const char *version_id = "devel20210923";
 const int SPIFFS_MAJOR=2;
 const int SPIFFS_MINOR=16;