APRS stations
Total stations - 18     Operational - 7     Semi-operational - 0     Not operational - 0     In preparation - 5     In consideration - 6
Callsign Location Frequency Baudrate Antenna Details Status
YU1TTN

Telemetry station

Pirot

Serbia

144.800 MHz

1 W

1200 baud Vertical dipole

NNW 330°

Telemetry

Air quality  Room temperature

Operational
YU1TTN-1 1

Combined station

Pirot, Sopotski han

Serbia

144.800 MHz

1 W

1200 baud Yagi 3EL

WSW 240°

Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Room temperature  Water temperature  Water tank level

In preparation
YU1TTN-2 2

Combined station

Cairo, Nasr City

Egypt

- - - Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Air quality  Room temperature

In preparation
YU1TTN-3

Internet gateway

Cairo, New Cairo

Egypt

10147.6 kHz 300 baud Long wire SDR# build 1854  Direwolf 1.6 Operational
YU1TTN-7 2

Portable station

- - - - APRSDroid 1.5.0 Operational
YU1TTN-9 2

Mobile station

- - - - APRSDroid 1.5.0 Operational
YU1TTN-11 1

Combined station

Pirot, Zavojsko jezero

Serbia

144.800 MHz

1 W

1200 baud Yagi 3EL

SSW 210°

Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Lake temperature  Lake level  Panel voltage  Battery voltage

In preparation
YU1TTN-12

Weather station

Pirot, Crni vrh

Serbia

144.800 MHz

50 mW

1200 baud Vertical dipole

WNW 300°

Weather report

Atmospheric pressure  Air temperature  Relative humidity

Operational
YU1TTN-13

Weather station

Pirot

Serbia

144.800 MHz

1 W

1200 baud Vertical dipole

NNW 330°

Weather report

Atmospheric pressure  Air temperature  Relative humidity

Operational
YU1TTN-16

Weather station

Babin zub

Serbia

144.800 MHz

50 mW

1200 baud Vertical dipole

WSW 250°

Weather report

Atmospheric pressure  Air temperature  Relative humidity

In preparation
YU1TTN-17

Weather station

Pirot, Dojkinci

Serbia

144.800 MHz

1 W

1200 baud Vertical dipole

SSE 150°

Weather report

Atmospheric pressure  Air temperature  Relative humidity

In preparation
YU1TTN-18

Weather station

Bela Palanka

Serbia

144.800 MHz

1 W

1200 baud Yagi 3EL

E 100°

Weather report

Atmospheric pressure  Air temperature  Relative humidity

In consideration
YU1TTN-19

Weather station

Zvonačka banja

Serbia

144.800 MHz

5 W

1200 baud Yagi 3EL

NE 045°

Weather report

Atmospheric pressure  Air temperature  Relative humidity

In consideration
YU1TTN-1A

Experimental station

Pirot, Sopotski han

Serbia

432.500 MHz

5 mW

2400 baud Ground-plane Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Panel voltage  Battery voltage

In consideration
YU1TTN-1B

Experimental station

Pirot, Sopotski han

Serbia

432.500 MHz

5 mW

2400 baud Ground-plane Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Panel voltage  Battery voltage

In consideration
YU1TTN-1C

Experimental station

Pirot, Sopot

Serbia

432.500 MHz

5 mW

2400 baud Ground-plane Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Panel voltage  Battery voltage

In consideration
YU1TTN-1D

Experimental station

Pirot, Zavojsko jezero

Serbia

432.500 MHz

5 mW

2400 baud Ground-plane Weather report  Telemetry

Atmospheric pressure  Air temperature  Relative humidity 

Lake temperature  Lake level  Panel voltage  Battery voltage

In consideration
YU1TTN-2A 2

Weather station

Cairo, Nasr City

Egypt

- - - Weather report

Atmospheric pressure  Air temperature  Relative humidity

Operational
1Station serves as UHF-to-VHF Gateway
2Station works exclusively over TCP/IP