So, looking a 1 min of data, I see the following station identifiers sending this amount of data:
(many more stations removed from here, including PW ones)
3 UKBDY
3 UKBSN
3 UKCLK
3 ukinv
3 UKPAR
3 UKPOC
3 UKRIN
3 UKTEW
3 UPTON
3 Vansbro
3 VHAVA
3 Walbeck
3 WBUXTON
3 WBUXTON2
3 Weelde
3 Wellingtn
3 WELZ
3 Wemding5
3 Witten
3 YBSS
3 YLAB
3 YSCN
3 YSTW2
3 ZENAIR
3 ZHAWisc
8 Moosburg
1728 PWWestBfd
1731 PWEDXD
1731 PWWilmcot
1734 PWCV32QG
The data I see from stations mentioned 3 or so times looks like this:
location beacon PWSwaffha>APRS,TCPIP*,qAC,GLIDERN4:/204943h5240.17NI00043.86E&/A=000262
details beacon PWSwaffha>APRS,TCPIP*,qAC,GLIDERN4:>205434h v20180119 OGN-R/PilotAware
:: PWSwaffha: ppm -99.0/-99.0 db [PWSwaffha>APRS,TCPIP*,qAC,GLIDERN4:>205434h v20180119 OGN-R/PilotAware]
PWSwaffha: LOWCPU & noppm (flagged 64 times)PWSwaffha>APRS,TCPIP*,qAC,GLIDERN4:>205434h v20180119 OGN-R/PilotAware>>cpu 0 0 ppm, 0 db
or this:
[root@ognrange kevin]# cat /tmp/t | grep ZHAWisc
location beacon ZHAWisc>APRS,TCPIP*,qAC,GLIDERN3:/205411h4729.81NI00843.76E&/A=001440
details beacon ZHAWisc>APRS,TCPIP*,qAC,GLIDERN3:>205411h v0.2.6.ARM CPU:0.2 RAM:340.0/972.2MB NTP:0.0ms/+0.8ppm +58.5C 0/0Acfts[1h] RF:+34-1.2ppm/+16.16dB/-0.8dB@10km[273]/-0.2dB@10km[2/4]
:: ZHAWisc: ppm -1.2/16.2 db [ZHAWisc>APRS,TCPIP*,qAC,GLIDERN3:>205411h v0.2.6.ARM CPU:0.2 RAM:340.0/972.2MB NTP:0.0ms/+0.8ppm +58.5C 0/0Acfts[1h] RF:+34-1.2ppm
from one of the 'spaming' stations looks like this:
->PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware<-
details beacon PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware
:: PWWestBfd: ppm -99.0/-99.0 db [PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware]
PWWestBfd: LOWCPU & noppm (flagged 133447 times)PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware>>cpu 0 0 ppm, 0 db
->PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware<-
details beacon PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware
:: PWWestBfd: ppm -99.0/-99.0 db [PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware]
PWWestBfd: LOWCPU & noppm (flagged 133448 times)PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware>>cpu 0 0 ppm, 0 db
->PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware<-
details beacon PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware
:: PWWestBfd: ppm -99.0/-99.0 db [PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware]
PWWestBfd: LOWCPU & noppm (flagged 133449 times)PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware>>cpu 0 0 ppm, 0 db
->PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware<-
details beacon PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware
:: PWWestBfd: ppm -99.0/-99.0 db [PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware]
PWWestBfd: LOWCPU & noppm (flagged 133450 times)PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware>>cpu 0 0 ppm, 0 db
->PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware<-
details beacon PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware
:: PWWestBfd: ppm -99.0/-99.0 db [PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware]
PWWestBfd: LOWCPU & noppm (flagged 133451 times)PWWestBfd>APRS,TCPIP*,qAC,GLIDERN2:>205506h v20190511 OGN-R/PilotAware>>cpu 0 0 ppm, 0 db
and on 10 mins worth of data:
6 ZENAIR
6 ZHAWisc
6 ZrhKip
6 ZrhUzh
8 LZPT
9 AUBR1
9 AUBR2
9 CNC4A
9 CNC4B
9 CNZ8A
9 CNZ8B
9 CYFD1
9 CYFD2
9 CYKF1
9 CYKF2
9 CZBA1
9 CZBA2
9 LFOD
9 LKKO
9 PENALLY
9 YTOC
10 KalkarESP
10 Rocco
14 ETSR
16 Motala
22 LOIH
32 AIRS03
64 Moosburg
17301 PWWilmcot
17319 PWWestBfd
17322 PWEDXD
17352 PWCV32QG
Hope that helps.