Vasil Velichkov

Hi @catalinalb, > make[2]: Entering directory '/home/pi/kalibrate-rtl/src' Better report this problem in the [kalibrate-rtl](https://github.com/steve-m/kalibrate-rtl) project, see https://github.com/steve-m/kalibrate-rtl/issues/19 > g++ -I/ -g -O2 -o kal kal-arfcn_freq.o kal-c0_detect.o kal-circular_buffer.o kal-fcch_detector.o kal-kal.o kal-offset.o...

> "I can only use sudo" means that if I do not type sudo in front of ./bootstrap or ./configure ore even make command has no permissions to do anything....

Hi @zodoczi > same here :( Latest rasbian on RPi 3: See https://github.com/ptrkrysik/gr-gsm/issues/493#issuecomment-559968047 and https://github.com/ptrkrysik/gr-gsm/issues/493#issuecomment-560098361

Hi @justicexxx, Are you sure that there are an active GSM cell on the selected frequency (945.8MHz)? Have you tried scanning all frequencies using `grgsm_scanner`? Also make sure that in...

> rtlsdr_demod_write_reg failed with -9 First you need to fix this error. Run `rtl_test -p` and provide the output. If you see the above error try connecting your dongle to...

> lost at least 452 bytes > lost at least 292 bytes Your computer is not able to process the incoming data (samples) fast enough. You'll need a better/faster computer....

>> Are you running this in a Virtual Machine? >> >>> rtlsdr_demod_write_reg failed with -9 >> >> Have you tried a different USB port? Do you use USB hub? >...

> This error is printed from hamlib. Do you have the hamlib package installed and can you try removing it? The correct package name is `libhamlib4` so you need to...

> Also I tried this > apt-get update > apt-get upgrade > apt-get install --reinstall libbladerf1 > But not worked. What about ``` sudo apt-get remove libhamlib4 ```

Hi @cyberpunkrocker-zero, > Arch Linux finally upgraded gnuradio to version 3.9.2.0. `gr-gsm` still has not been ported to gnuradio 3.9.*. Read [GNU Radio 3.9 OOT Module Porting Guide](https://wiki.gnuradio.org/index.php/GNU_Radio_3.9_OOT_Module_Porting_Guide) if you...