[solved] w_scan no HD dvb-t2 channels found - SOLUTION: use wscan_2 instead https://github.com/stefantalpalaru/w_scan2

astrometa-dvb-t2-dmesg.log-sh

[453428.904545] usb 1-1: new high-speed USB device number 53 using xhci_hcd
[453428.928948] usb 1-1: New USB device found, idVendor=15f4, idProduct=0131, bcdDevice= 1.00
[453428.928949] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[453428.928950] usb 1-1: Product: dvbt2
[453428.928951] usb 1-1: Manufacturer: astrometadvbt2
[453428.936399] usb 1-1: dvb_usb_v2: found a 'Astrometa DVB-T2' in warm state
[453429.064331] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer
[453429.064333] dvbdev: DVB: registering new adapter (Astrometa DVB-T2)
[453429.064335] usb 1-1: media controller created
[453429.064547] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[453429.066080] i2c i2c-3: Added multiplexed i2c bus 4
[453429.066081] rtl2832 3-0010: Realtek RTL2832 successfully attached
[453429.071024] mn88473 3-0018: Panasonic MN88473 successfully identified
[453429.071041] usb 1-1: DVB: registering adapter 0 frontend 0 (Realtek RTL2832 (DVB-T))...
[453429.071044] dvbdev: dvb_create_media_entity: media entity 'Realtek RTL2832 (DVB-T)' registered.
[453429.071085] usb 1-1: DVB: registering adapter 0 frontend 1 (Panasonic MN88473)...
[453429.071086] dvbdev: dvb_create_media_entity: media entity 'Panasonic MN88473' registered.
[453429.071112] r820t 4-003a: creating new instance
[453429.077860] r820t 4-003a: Rafael Micro r820t successfully identified
[453429.077866] r820t 4-003a: attaching existing instance
[453429.082609] r820t 4-003a: Rafael Micro r820t successfully identified
[453429.083596] rtl2832_sdr rtl2832_sdr.0.auto: Registered as swradio0
[453429.083596] rtl2832_sdr rtl2832_sdr.0.auto: Realtek RTL2832 SDR attached
[453429.083597] rtl2832_sdr rtl2832_sdr.0.auto: SDR API is still slightly experimental and functionality changes may follow
[453429.094246] Registered IR keymap rc-empty
[453429.094287] rc rc0: Astrometa DVB-T2 as /devices/pci0000:00/0000:00:14.0/usb1/1-1/rc/rc0
[453429.094318] input: Astrometa DVB-T2 as /devices/pci0000:00/0000:00:14.0/usb1/1-1/rc/rc0/input64
[453429.094403] rc rc0: lirc_dev: driver dvb_usb_rtl28xxu registered at minor = 0, raw IR receiver, no transmitter
[453429.094426] usb 1-1: dvb_usb_v2: schedule remote query interval to 200 msecs
[453429.102400] usb 1-1: dvb_usb_v2: 'Astrometa DVB-T2' successfully initialized and connected

astrometa-dvb-t2-wscan.log.sh

sudo w_scan -c GB -F -t 3 -f t -X -Q 1 -E 0 -v > channels.conf 2> wscan.log

id@rpi-zero-w:~ $ head -40 astrometa-dvb-t2/black/wscan.log 
w_scan -c GB -F -t 3 -f t -X -Q 1 -E 0 -v 
w_scan version 20170107 (compiled for DVB API 5.10)
using settings for UNITED KINGDOM
DVB aerial
DVB-T GB
scan type TERRESTRIAL, channellist 6
output format czap/tzap/szap/xine
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
   check Realtek RTL2832 (DVB-T):
           DVB-T
	/dev/dvb/adapter0/frontend0 -> TERRESTRIAL "Realtek RTL2832 (DVB-T)": good :-)
   check Panasonic MN88473:
           DVB-C ann.A
           DVB-T2
           DVB-T
	/dev/dvb/adapter0/frontend1 -> TERRESTRIAL "Panasonic MN88473": very good :-))

Using TERRESTRIAL frontend (adapter /dev/dvb/adapter0/frontend1)
-_-_-_-_ Getting frontend capabilities-_-_-_-_ 
Using DVB API 5.11
frontend 'Panasonic MN88473' supports
DVB-T2
INVERSION_AUTO
QAM_AUTO
TRANSMISSION_MODE_AUTO
GUARD_INTERVAL_AUTO
HIERARCHY_AUTO
FEC_AUTO
BANDWIDTH_AUTO not supported, trying 6/7/8 MHz.
FREQ (42.00MHz ... 1002.00MHz)
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ 
   check Panasonic MN88473:
           DVB-C ann.A
           DVB-T2
           DVB-T
Scanning DVB-T...
Scanning 8MHz frequencies...
474000: (time: 00:05.290) 

august-dvb-t210-v1-dmesg.log-sh

[453511.495209] usb 1-1: new high-speed USB device number 54 using xhci_hcd
[453511.508143] usb 1-1: New USB device found, idVendor=1f4d, idProduct=d220, bcdDevice= 0.00
[453511.508144] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[453511.508145] usb 1-1: Product: USB Device
[453511.508145] usb 1-1: Manufacturer: Geniatech
[453511.508146] usb 1-1: SerialNumber: 0001
[453511.510305] dw2102: su3000_identify_state
[453511.510306] dvb-usb: found a 'Geniatech T220 DVB-T/T2 USB2.0' in warm state.
[453511.510308] dw2102: su3000_power_ctrl: 1, initialized 0
[453511.510402] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[453511.510894] dvbdev: DVB: registering new adapter (Geniatech T220 DVB-T/T2 USB2.0)
[453511.510896] usb 1-1: media controller created
[453511.515045] dvb-usb: MAC address: ff:ff:ff:ff:ff:ff
[453511.515264] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[453511.568589] cxd2820r 3-006c: Sony CXD2820R successfully identified
[453511.568605] tda18271 3-0060: creating new instance
[453511.575005] tda18271: TDA18271HD/C2 detected @ 3-0060
[453511.759630] dw2102: Attached TDA18271HD/CXD2820R!
[453511.759634] usb 1-1: DVB: registering adapter 0 frontend 0 (Sony CXD2820R)...
[453511.759637] dvbdev: dvb_create_media_entity: media entity 'Sony CXD2820R' registered.
[453511.760822] Registered IR keymap rc-su3000
[453511.760869] rc rc0: Geniatech T220 DVB-T/T2 USB2.0 as /devices/pci0000:00/0000:00:14.0/usb1/1-1/rc/rc0
[453511.760895] input: Geniatech T220 DVB-T/T2 USB2.0 as /devices/pci0000:00/0000:00:14.0/usb1/1-1/rc/rc0/input65
[453511.760948] rc rc0: lirc_dev: driver dw2102 registered at minor = 0, scancode receiver, no transmitter
[453511.760949] dvb-usb: schedule remote query interval to 150 msecs.
[453511.760950] dw2102: su3000_power_ctrl: 0, initialized 1
[453511.760950] dvb-usb: Geniatech T220 DVB-T/T2 USB2.0 successfully initialized and connected.

august-dvb-t210-v1-wscan.log.sh

sudo w_scan -c GB -F -t 3 -f t -X -Q 1 -E 0 -v > channels.conf 2> wscan.log

id@rpi-zero-w:~ $ head -40 august-dvb-t210/with-case/wscan.log 
w_scan -c GB -F -t 3 -f t -X -Q 1 -E 0 -v 
w_scan version 20170107 (compiled for DVB API 5.10)
using settings for UNITED KINGDOM
DVB aerial
DVB-T GB
scan type TERRESTRIAL, channellist 6
output format czap/tzap/szap/xine
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
   check Sony CXD2820R:
           DVB-C ann.A
           DVB-T2
           DVB-T
	/dev/dvb/adapter0/frontend0 -> TERRESTRIAL "Sony CXD2820R": very good :-))

Using TERRESTRIAL frontend (adapter /dev/dvb/adapter0/frontend0)
-_-_-_-_ Getting frontend capabilities-_-_-_-_ 
Using DVB API 5.11
frontend 'Sony CXD2820R' supports
DVB-T2
INVERSION_AUTO
QAM_AUTO
TRANSMISSION_MODE_AUTO
GUARD_INTERVAL_AUTO
HIERARCHY_AUTO
FEC_AUTO
BANDWIDTH_AUTO not supported, trying 6/7/8 MHz.
FREQ (45.00MHz ... 864.00MHz)
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ 
   check Sony CXD2820R:
           DVB-C ann.A
           DVB-T2
           DVB-T
Scanning DVB-T...
Scanning 8MHz frequencies...
474000: (time: 00:04.119) 
474167: (time: 00:05.859) 
        (1.280sec): SCL (0x1F)
        (1.280sec) signal
id@rpi-zero-w:~ $