diff --git a/include/main.h b/include/main.h
index a5a7573..6f5c328 100644
--- a/include/main.h
+++ b/include/main.h
@@ -8,7 +8,8 @@
 
 extern uint32_t master_time;
 
-extern uint32_t main_wx_sensors_pool_timer;
+extern int32_t main_wx_sensors_pool_timer;
+extern int32_t main_packet_tx_pool_timer;
 
 extern AX25Ctx main_ax25;
 extern Afsk main_afsk;
diff --git a/src/delay.c b/src/delay.c
index f34ce32..d57dfe4 100644
--- a/src/delay.c
+++ b/src/delay.c
@@ -33,7 +33,7 @@ void delay_random(void) {
 }
 
 void delay_set(uint16_t delay_in_msecs, uint8_t randomize) {
-	preset_delay_msecs = delay_in_msecs;
+	preset_delay_msecs = delay_in_msecs * 50;
 
 	if (randomize == 1) {
 		preset_use_random = 1;
diff --git a/src/it_handlers.c b/src/it_handlers.c
index 7316a1c..4861ed6 100644
--- a/src/it_handlers.c
+++ b/src/it_handlers.c
@@ -71,6 +71,8 @@ void SysTick_Handler(void) {
 	// decrementing a timer to trigger meteo measuremenets
 	main_wx_decremenet_counter();
 
+	main_packets_tx_decremenet_counter();
+
 	srl_keep_timeout();
 
 	i2cKeepTimeout();
@@ -110,13 +112,20 @@ void TIM2_IRQHandler( void ) {
 void TIM4_IRQHandler( void ) {
 	// obsluga przerwania cyfra-analog
 	TIM4->SR &= ~(1<<0);
-	if (timm == 0) {
+//	if (timm == 0) {
 		DAC->DHR8R1 = AFSK_DAC_ISR(&main_afsk);
 		DAC->SWTRIGR |= 1;
+//	}
+//	else {
+//			if (delay_5us > 0)
+//				delay_5us--;
+//	}
+
+	if (main_afsk.sending) {
+		GPIO_SetBits(GPIOC, GPIO_Pin_9);
 	}
 	else {
-			if (delay_5us > 0)
-				delay_5us--;
+		GPIO_ResetBits(GPIOC, GPIO_Pin_9);
 	}
 
 }
diff --git a/src/main.c b/src/main.c
index 5cd78c2..eed3831 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,6 +8,7 @@
 #include <stm32f10x.h>
 
 #include "main.h"
+#include "packet_tx_handler.h"
 #include "station_config.h"
 
 #include "diag/Trace.h"
@@ -17,6 +18,8 @@
 #include "TimerConfig.h"
 #include "PathConfig.h"
 
+#include "it_handlers.h"
+
 #include "aprs/digi.h"
 #include "aprs/telemetry.h"
 #include "aprs/dac.h"
@@ -62,10 +65,10 @@
 uint32_t master_time = 0;
 
 // global variable used as a timer to trigger meteo sensors mesurements
-uint32_t main_wx_sensors_pool_timer = 65500;
+int32_t main_wx_sensors_pool_timer = 65500;
 
 // global variable used as a timer to trigger packet sending
-uint32_t main_packet_rx_pool_timer = 6000;
+int32_t main_packet_tx_pool_timer = 60000;
 
 // global variables represending the AX25/APRS stack
 AX25Ctx main_ax25;
@@ -97,6 +100,8 @@ main(int argc, char* argv[])
 
   int32_t ln = 0;
 
+  uint8_t button_inhibit = 0;
+
   RCC->APB1ENR |= (RCC_APB1ENR_TIM2EN | RCC_APB1ENR_TIM3EN | RCC_APB1ENR_TIM7EN | RCC_APB1ENR_TIM4EN);
   RCC->APB2ENR |= (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN | RCC_APB2ENR_IOPDEN | RCC_APB2ENR_AFIOEN | RCC_APB2ENR_TIM1EN);
 
@@ -216,10 +221,19 @@ main(int argc, char* argv[])
   while (1)
     {
 	  	if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)) {
-			telemetry_send_values(rx10m, tx10m, digi10m, kiss10m, rte_wx_temperature_dallas_valid, rte_wx_dallas_qf, rte_wx_ms5611_qf, rte_wx_dht.qf);
+
+	  		if (main_afsk.sending == false && button_inhibit == 0) {
+
+	  			while(main_ax25.dcd == true);
+
+	  			//telemetry_send_values(rx10m, tx10m, digi10m, kiss10m, rte_wx_temperature_dallas_valid, rte_wx_dallas_qf, rte_wx_ms5611_qf, rte_wx_dht.qf);
+	  			SendOwnBeacon();
+	  		}
+
+	  		button_inhibit = 1;
 	  	}
 	  	else {
-	  		;
+	  		button_inhibit = 0;
 	  	}
 
 	  	// if new packet has been received from radio channel
@@ -262,6 +276,13 @@ main(int argc, char* argv[])
 			main_wx_sensors_pool_timer = 65500;
 		}
 
+		if (main_packet_tx_pool_timer < 10) {
+
+			packet_tx_handler();
+
+			main_packet_tx_pool_timer = 60000;
+		}
+
 #ifdef _METEO
 		// dht22 sensor communication pooling
 		wx_pool_dht22();
@@ -279,6 +300,11 @@ void main_wx_decremenet_counter(void) {
 		main_wx_sensors_pool_timer -= SYSTICK_TICKS_PERIOD;
 }
 
+void main_packets_tx_decremenet_counter(void) {
+	if (main_packet_tx_pool_timer > 0)
+		main_packet_tx_pool_timer -= SYSTICK_TICKS_PERIOD;
+}
+
 #pragma GCC diagnostic pop
 
 // ----------------------------------------------------------------------------
diff --git a/src/packet_tx_handler.c b/src/packet_tx_handler.c
index 2a27ded..1c3c3c3 100644
--- a/src/packet_tx_handler.c
+++ b/src/packet_tx_handler.c
@@ -21,10 +21,14 @@ uint8_t packet_tx_meteo_counter = 0;
 uint8_t packet_tx_telemetry_interval = 10;
 uint8_t packet_tx_telemetry_counter = 0;
 
+uint8_t packet_tx_telemetry_descr_interval = 40;
+uint8_t packet_tx_telemetry_descr_counter = 0;
+
 // this shall be called in 60 seconds periods
 void packet_tx_handler(void) {
 	packet_tx_beacon_counter++;
 	packet_tx_telemetry_counter++;
+	packet_tx_telemetry_descr_counter++;
 #ifdef _METEO
 	packet_tx_meteo_counter++;
 #endif
@@ -75,4 +79,13 @@ void packet_tx_handler(void) {
 
 	}
 
+	if (packet_tx_telemetry_descr_counter >= packet_tx_telemetry_descr_interval) {
+
+		telemetry_send_chns_description();
+
+		main_wait_for_tx_complete();
+
+		packet_tx_telemetry_descr_interval = 0;
+	}
+
 }
diff --git a/system/src/aprs/dac.c b/system/src/aprs/dac.c
index 968dbd2..b91826a 100644
--- a/system/src/aprs/dac.c
+++ b/system/src/aprs/dac.c
@@ -74,6 +74,7 @@ void DA_Start() {
 //	//Timer2 ENABLE
 	TIM4->CR1 |= TIM_CR1_CEN;
 
+
 #if (!defined(_METEO))
 	GPIO_SetBits(GPIOC, GPIO_Pin_9);
 #endif
diff --git a/system/src/aprs/digi.c b/system/src/aprs/digi.c
index 80ea415..428936f 100644
--- a/system/src/aprs/digi.c
+++ b/system/src/aprs/digi.c
@@ -5,15 +5,16 @@
  *      Author: mateusz
  */
 
+#include <string.h>
+
 #include "aprs/digi.h"
 #include "main.h"
 #include "TimerConfig.h"
+#include "delay.h"
 
 #include "station_config.h"
 #include "config.h"
 
-extern volatile int delay_5us;
-
 char digi_q = 0;
 
 uint8_t digi_msg[CONFIG_AX25_FRAME_BUF_LEN];
@@ -24,7 +25,7 @@ char Digi(struct AX25Msg *msg) {
 #ifdef _DIGI
 
 	AX25Call digi_path[7];
-	char call_len;
+	uint8_t call_len = 0;
 	memset(digi_path, sizeof(AX25Call) * 7, 0x00);
 
 	// check if the received message is not too long for the transmit buffers
@@ -156,6 +157,7 @@ char Digi(struct AX25Msg *msg) {
 				digi10m++;
 				digi_msg_len = msg->len+1;
 				snprintf(digi_msg, msg->len+1, "%s", msg->info);
+				delay_from_preset();
 
 				while(main_ax25.dcd == true);
 				ax25_sendVia(&main_ax25, digi_path, call_len, digi_msg, digi_msg_len-1);
diff --git a/system/src/drivers/dallas.c b/system/src/drivers/dallas.c
index 57b3625..e4fd888 100644
--- a/system/src/drivers/dallas.c
+++ b/system/src/drivers/dallas.c
@@ -43,7 +43,7 @@ void dallas_init(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint16_t GPIO_PinSource
 
 void dallas_config_timer(void) {
 	// Disabling any time-consuming iterrupts
-	NVIC_DisableIRQ( TIM3_IRQn );			// data transmission initializer
+	//NVIC_DisableIRQ( TIM3_IRQn );			// data transmission initializer
 	NVIC_DisableIRQ( TIM4_IRQn );			// data transmission initializer
 	NVIC_DisableIRQ( TIM7_IRQn );			// data transmission initializer
 	NVIC_DisableIRQ( 25 );	// anemometer
@@ -62,7 +62,7 @@ void dallas_config_timer(void) {
 void dallas_deconfig_timer(void) {
 	TIM2->CR1 &= (0xFFFFFFFF ^ TIM_CR1_CEN);	// disabling timer
 
-	NVIC_EnableIRQ( TIM3_IRQn );	// adc
+	//NVIC_EnableIRQ( TIM3_IRQn );	// adc
 	NVIC_EnableIRQ( TIM4_IRQn );	// data transmission initializer
 	NVIC_EnableIRQ( TIM7_IRQn );	// data transmission initializer
 	NVIC_EnableIRQ( 25 ); // anemometer