4th October 2024
Home
LocoScene
FAQ
Join Us
Links
Login
Loco Quick Search
Home
» 66 781
66 781
Name:
Ratcliffe Power Station
Depot:
Livery:
Owner:
EXETER ST DAVIDS STATION. 07/08/2024 Martian
Sightings by other spotters
View on map
19/08/2024 - March Area by smithaj
07/08/2024 - EXETER ST DAVIDS STATION. by Martian
15/07/2024 - Doncaster Woodyard/Belmont by MAC 228
12/07/2024 - Peterborough Station by Talky-Tim
12/07/2024 - Doncaster Station by dark glasses
11/07/2024 - Doncaster Woodyard/Belmont by MAC 228
10/07/2024 - Doncaster Station by dark glasses
10/07/2024 - Doncaster Woodyard/Belmont by MAC 228
30/06/2024 - Huddersfield to London Kings Cross and return by 55 G
23/06/2024 - Berry Brow to Eastleigh via Sheffield and London return via London and Leeds by 55 G
23/06/2024 - RETFORD by MAC 228
21/06/2024 - Nuneaton by Gareth84
14/06/2024 - Doncaster Station by Sooty
14/06/2024 - Scunthorpe Station by Sooty
14/06/2024 - Barnetby Station. by smithaj
13/06/2024 - Hagg Hill Bridge by Martian
13/06/2024 - Swinton (South Yorks) by MAC 228
13/06/2024 - Scunthorpe area by Sooty
13/06/2024 - Scunthorpe by fleecey
11/06/2024 - Scunthorpe Brigg Road Bridge by Sooty
11/06/2024 - Scunthorpe by fleecey
10/06/2024 - Scunthorpe Station by dark glasses
31/05/2024 - Walsall Staion by john b13
28/05/2024 - Walsall Staion by john b13
27/05/2024 - Toton Bank by Talky-Tim
24/05/2024 - Walsall Staion by john b13
22/05/2024 - Walsall Station by john b13
10/05/2024 - Peterborough GBRF Depot by MAC 228
30/04/2024 - March Area by smithaj
09/04/2024 - March Station by smithaj
02/04/2024 - Nuneaton by BeduthBob
12/03/2024 - Berry Brow to Doncaster via Meadowhall and return by 55 G
11/03/2024 - Doncaster by MJM
09/03/2024 - Hitchin by MAC 228
07/03/2024 - Ipswich Station and Stablling Point by smithaj
03/03/2024 - WNJ by Boyd07
28/02/2024 - Peterborough Station by smithaj
27/02/2024 - March Area by smithaj
23/02/2024 - Doncaster Station by big neil
23/02/2024 - Doncaster Station by dark glasses
23/02/2024 - Doncaster Station by Alanb
22/02/2024 - Scunthorpe - Trent Yard by dark glasses
22/02/2024 - Scunthorpe - Trent Yard by fleecey
19/02/2024 - Leeds by MAC 228
19/02/2024 - Hemsworth Loop by MAC 228
19/02/2024 - Doncaster by MAC 228
19/02/2024 - Doncaster Station by dark glasses
01/02/2024 - Nuneaton Station by Alanb
30/01/2024 - Weddington Fields by Gareth84
10/01/2024 - March Area by smithaj
09/01/2024 - March Area by smithaj
05/01/2024 - March Area by smithaj
02/01/2024 - Peterborough Station by Alanb
14/12/2023 - Nuneaton Station by Alanb
13/11/2023 - March Area by smithaj
07/11/2023 - Water Orton by HS 4000
01/11/2023 - March Station by smithaj
28/10/2023 - Leicester Depot by sonnyboythethird
24/10/2023 - March Station by smithaj
03/10/2023 - Nuneaton by big neil
28/09/2023 - Gainsborough Lea Road by big neil
27/09/2023 - Doncaster Station by dark glasses
27/09/2023 - Doncaster Decoy Yards by dark glasses
23/09/2023 - Peterborough Area by MAC 228
31/08/2023 - Berry Brow to Doncaster via Meadowhall and return by 55 G
17/08/2023 - Eastleigh,Waterloo,Liverpool St,Bethnal Green,Stratford, Alexandra Palace, Blackfriars’s. by B Mesher
15/08/2023 - Eastleigh by itfc4life
10/08/2023 - Scunthorpe by fleecey
10/08/2023 - Scunthorpe Station by Sooty
10/08/2023 - Doncaster Woodyard/Belmont by MAC 228
08/08/2023 - Stafford Station by D.R.F.
21/07/2023 - warwick parkway by David Cooper
15/07/2023 - Doncaster Station by dark glasses
14/07/2023 - RETFORD by MAC 228
11/07/2023 - Doncaster Station by dark glasses
11/07/2023 - March Station by smithaj
27/06/2023 - Huddersfield to London and return plus a One Day Travel card by 55 G
24/06/2023 - Doncaster Woodyard/Belmont by MAC 228
24/06/2023 - Doncaster Woodyard/Belmont by MAC 228
21/06/2023 - Doncaster St James Bridge by big neil
21/06/2023 - Doncaster Station by dark glasses
18/06/2023 - RETFORD by MAC 228
13/06/2023 - Doncaster Station by dark glasses
09/06/2023 - Doncaster by MJM
08/06/2023 - Doncaster by MJM
05/06/2023 - March Area by smithaj
22/05/2023 - peterborough by BH124
21/05/2023 - RETFORD by MAC 228
19/05/2023 - Scunthorpe by fleecey
19/05/2023 - Lincoln Central by Alanb
18/05/2023 - Doncaster Decoy Yard by dark glasses
18/05/2023 - Doncaster Station by dark glasses
15/05/2023 - March Area by smithaj
07/05/2023 - Doncaster Roberts Road by berkshirerover
05/05/2023 - Lincoln Central by Gloucester boy
04/05/2023 - Gainsborough Lea Road by dark glasses
02/05/2023 - March Area by smithaj
29/04/2023 - Alderley Edge by Aladdin
25/04/2023 - doncaster station by dark glasses
11/04/2023 - Peterborough Station by Alanb
11/04/2023 - Berry Brow to Doncaster out via Leeds return via Meadowhall by 55 G
05/04/2023 - March Station by smithaj
29/03/2023 - March Area by smithaj
29/03/2023 - March Station by smithaj
17/03/2023 - RETFORD by MAC 228
14/03/2023 - Doncaster by MJM
13/03/2023 - Doncaster Woodyard/Belmont by MAC 228
13/03/2023 - Scunthorpe by fleecey
08/03/2023 - Scunny -Sheffield and return by Sooty
07/03/2023 - Scunthorpe by fleecey
23/02/2023 - Doncaster Woodyard/Belmont by MAC 228
15/02/2023 - March Station by smithaj
14/02/2023 - Heald Green by manchester mart
08/02/2023 - Stratford by mdm
05/02/2023 - sharlston near wakefield by mick collinson
02/02/2023 - March Area by smithaj
31/01/2023 - March Area by smithaj
28/01/2023 - Scunthorpe by fleecey
25/01/2023 - Stapleford by Alanb
23/01/2023 - Sprotbrough by MAC 228
20/01/2023 - Chesterfield Station by big neil
19/01/2023 - Scunthorpe by fleecey
11/01/2023 - Scunthorpe by fleecey
10/01/2023 - Berry Brow to Doncaster via Leeds by 55 G
06/01/2023 - Swinton (South Yorks) by MAC 228
06/01/2023 - Mexborough by MAC 228
02/01/2023 - Scunthorpe by fleecey
02/01/2023 - Scunthorpe by fleecey
17/12/2022 - Toton Bank by Talky-Tim
09/12/2022 - Doncaster Woodyard/Belmont by MAC 228
28/11/2022 - March Area by smithaj
22/11/2022 - March Station by smithaj
18/11/2022 - Lincoln Station by big neil
10/11/2022 - Scunthorpe by fleecey
25/10/2022 - March Area by smithaj
21/10/2022 - Doncaster by MAC 228
20/10/2022 - Scunthorpe by fleecey
19/10/2022 - Doncaster by MAC 228
17/10/2022 - Scunthorpe by fleecey
13/10/2022 - Water Orton by HS 4000
13/10/2022 - Appleford by Chris MDL
13/10/2022 - Nuneaton Station by Alanb
28/09/2022 - Leamington Spa by boso
27/09/2022 - Eastleigh by David Kennedy
22/09/2022 - Farnborough by itfc4life
21/09/2022 - Farnborough by itfc4life
19/09/2022 - Farnborough by itfc4life
01/09/2022 - Nuneaton Station by Alanb
31/08/2022 - Doncaster mallard bridge by fleecey
28/08/2022 - Doncaster Woodyard/Belmont by MAC 228
28/08/2022 - RETFORD by MAC 228
25/08/2022 - Stafford Station to Perry Barr Station by john b13
16/08/2022 - March Area by smithaj
05/08/2022 - Doncaster Woodyard/Belmont by MAC 228
26/07/2022 - Lincoln Station by big neil
21/07/2022 - Stafford Station. by D.R.F.
13/07/2022 - March Area by smithaj
12/07/2022 - RETFORD by MAC 228
11/07/2022 - RETFORD by MAC 228
07/07/2022 - Stafford Station by D.R.F.
06/07/2022 - Stafford Station by D.R.F.
05/07/2022 - Northampton by HS 4000
05/07/2022 - Berry Brow to Nuneaton via Sheffield and return by 55 G
30/06/2022 - Lincoln Station by big neil
16/06/2022 - Ely by Perseverance
10/06/2022 - March Area by smithaj
07/06/2022 - March Area by smithaj
01/06/2022 - Doncaster Station. by big neil
31/05/2022 - Berry Brow to Doncaster out via Leeds back via York by 55 G
27/05/2022 - Peterborough Area by MAC 228
17/05/2022 - Scunthorpe by fleecey
13/05/2022 - Ulceby by Kitodew
10/05/2022 - Immingham by Kitodew
07/05/2022 - Scunthorpe - Trent Yard by fleecey
05/05/2022 - Doncaster Yards by big neil
05/05/2022 - Doncaster Decoy by dark glasses
04/05/2022 - Swinton (South Yorks) by MAC 228
03/05/2022 - Scunthorpe by fleecey
02/05/2022 - Toton Bank by Talky-Tim
29/04/2022 - Doncaster St James Bridge by big neil
27/04/2022 - Doncaster Station by dark glasses
26/04/2022 - Ulceby by Kitodew
18/04/2022 - Southampton Area by MJM
14/04/2022 - Reading West (Richard from Som >INFO). by David Kennedy
14/04/2022 - Nuneaton Station by Alanb
12/04/2022 - Eastleigh by Southern Spotter
11/04/2022 - Southampton Area by MJM
07/04/2022 - Eastleigh/Southampton Maritime (Richard) (SOM).. by David Kennedy
02/04/2022 - Southampton Area by MJM
30/03/2022 - Eastleigh by David Kennedy
24/03/2022 - Newport / East Usk A D J..(Steve).( BRO -INFO) by David Kennedy
21/03/2022 - Eastleigh by MJM
17/03/2022 - Stafford station by Alanb
04/03/2022 - Farnborough by itfc4life
03/03/2022 - Farnborough by itfc4life
28/02/2022 - Birmingham Moor St to Leamington Spa. and Return by john b13
26/02/2022 - Doncaster Woodyard/Belmont by MAC 228
16/02/2022 - RETFORD by MAC 228
15/02/2022 - Berry Brow to Doncaster out via Leeds back via York by 55 G
14/02/2022 - Scunthorpe by fleecey
11/02/2022 - Scunthorpe Station by dark glasses
10/02/2022 - Woodlesford by big neil
08/02/2022 - Berry Brow to Doncaster via Meadowhall and return via York by 55 G
07/02/2022 - Toton Depot / Yards by Alanb
07/02/2022 - Barnetby Station. by smithaj
03/02/2022 - Scunthorpe by fleecey
03/02/2022 - Scunthorpe Station by dark glasses
02/02/2022 - Scunthorpe by fleecey
01/02/2022 - Scunthorpe by fleecey
24/01/2022 - Toton Depot / Yards by Alanb
15/01/2022 - Doncaster Area by Gloucester boy
15/01/2022 - March Area by smithaj
14/01/2022 - March Area by smithaj
12/01/2022 - March Area by smithaj
05/01/2022 - Toton Depot / Yards by Alanb
04/01/2022 - Doncaster Woodyard/Belmont by MAC 228
28/12/2021 - Toton Bank by Talky-Tim
14/12/2021 - March Area by smithaj
08/12/2021 - Doncaster by David Cooper
03/12/2021 - Stapleford by Alanb
18/11/2021 - Doncaster by MAC 228
01/11/2021 - Roberts Road by MAC 228
30/10/2021 - Manea by smithaj
29/10/2021 - Doncaster Roberts Road by Alanb
22/10/2021 - Scunthorpe Station by dark glasses
20/10/2021 - Lincoln Station by big neil
14/10/2021 - Eastleigh by B Mesher
08/10/2021 - Eastleigh and Yards by berkshirerover
25/09/2021 - Bristol by MJM
25/09/2021 - Westbury by MJM
13/09/2021 - Scunthorpe by fleecey
27/08/2021 - Hitchin by graham d
24/08/2021 - March Area by smithaj
04/08/2021 - Stafford station by dark glasses
21/07/2021 - Scunthorpe Station by dark glasses
19/07/2021 - Scunthorpe by fleecey
16/07/2021 - Nuneaton by Adrian Wood
15/07/2021 - Nuneaton by BeduthBob
09/07/2021 - Nuneaton by Adrian Wood
11/06/2021 - RETFORD by MAC 228
31/05/2021 - Doncaster by mick collinson
20/05/2021 - Derby by Perseverance
20/05/2021 - Swinton (South Yorkshire) by dark glasses
19/05/2021 - Westbury by MJM
22/02/2021 - Didcot North Junction by smithaj
17/02/2021 - Toton Depot / Yards by Alanb
10/02/2021 - Attleborough South Junction by Bigman
06/02/2021 - RETFORD by MAC 228
02/02/2021 - My front room by big gez
16/01/2021 - Hale by manchester mart
12/01/2021 - Newport / East Usk A D J..(Steve.Bro Info).(Back garden and within 2 miles from home_) by David Kennedy
10/01/2021 - Newport / East Usk A D J..(Steve). by David Kennedy
04/01/2021 - Charfield by Charfield Flyer
03/01/2021 - Newport / East Usk A D J..(Steve). by David Kennedy
28/12/2020 - Newport / East Usk A D J..(Steve). by David Kennedy
24/12/2020 - Westbury by MJM
14/12/2020 - Walsall Station by GKB
10/12/2020 - Westbury by MJM
09/12/2020 - Sutton Park on the Sutton Line by john b13
30/11/2020 - Gloucester loop by snozcat
27/11/2020 - Westbury by MJM
25/11/2020 - Charfield by Charfield Flyer
20/11/2020 - Charfield by Charfield Flyer
13/11/2020 - Westbury by MJM
06/11/2020 - Sutton Park on the Sutton Line by john b13
06/11/2020 - Charfield by Charfield Flyer
29/10/2020 - Westbury by MJM
23/10/2020 - Shrewsbury by Blade rr
23/10/2020 - Charfield by Charfield Flyer
16/10/2020 - Westbury by MJM
05/10/2020 - Birmingham New Street to Walsall. to Perry Barr by john b13
04/10/2020 - Newport / East Usk A D J..(Steve). by David Kennedy
02/10/2020 - Westbury by MJM
01/10/2020 - Birmingham - Walsall and return at 16.01 by HS 4000
29/09/2020 - Water Orton by HS 4000
25/09/2020 - Hagg Hill Bridge by Martian
18/09/2020 - Westbury by MJM
17/09/2020 - Water Orton by HS 4000
17/09/2020 - Nuneaton by Adrian Wood
05/09/2020 - Doncaster Decoy Yard by berkshirerover
04/09/2020 - Leeds Station by Perseverance
03/09/2020 - Kirkstall Forge by big neil
01/09/2020 - Wakefield Westgate by mick collinson
06/08/2020 - Doncaster Decoy by Alanb
04/08/2020 - Scunthorpe - Trent Yard by M strong
04/08/2020 - Scunthorpe by fleecey
02/08/2020 - doncaster down decoy by M strong
14/07/2020 - Doncaster Area by 55 G
02/07/2020 - Newport ,ADJ.East Usk,Cardiff Tidal.+Canton.(Steve). by David Kennedy
01/07/2020 - Newport / East Usk A D J..(Steve). by David Kennedy
01/07/2020 - Didcot East Junction by smithaj
27/06/2020 - Westbury by MJM
27/06/2020 - Newport / East Usk A D J..(Steve). by David Kennedy
24/06/2020 - Bescot Station And Yard by john b13
22/06/2020 - Attleborough Jn. by Bigman
17/06/2020 - Toton Bank by Talky-Tim
14/06/2020 - Attleborough Jn. by Bigman
13/06/2020 - Water Orton Station by john b13
06/06/2020 - Attleborough Jn. by Bigman
13/05/2020 - Toton Bank by Talky-Tim
25/03/2020 - Didcot North Junction by smithaj
24/03/2020 - Didcot North Junction by smithaj
18/03/2020 - Didcot North Junction by smithaj
13/03/2020 - Didcot North Junction by smithaj
12/03/2020 - Didcot North Junction by smithaj
09/03/2020 - Eastleigh (Richard). by David Kennedy
07/03/2020 - Didcot North Junction by smithaj
03/03/2020 - Didcot North Junction by smithaj
02/03/2020 - Heald Green by manchester mart
26/02/2020 - Appleford by Chris MDL
26/02/2020 - Westbury by MJM
25/02/2020 - Doncaster Woodyard/Belmont by MAC 228
21/02/2020 - Eastleigh by B Mesher
20/02/2020 - Scunthorpe by fleecey
20/02/2020 - Doncaster Woodyard/Belmont by MAC 228
15/02/2020 - Peterborough Station by Alanb
02/02/2020 - Toton Depot / Yards by Alanb
22/01/2020 - Leicester Station by Alanb
21/01/2020 - Leicester by Perseverance
27/11/2019 - Farnborough by itfc4life
26/11/2019 - Farnborough by itfc4life
25/11/2019 - Farnborough by itfc4life
21/11/2019 - Scunthorpe by fleecey
17/11/2019 - Scunthorpe by fleecey
12/11/2019 - Water Orton by HS 4000
12/11/2019 - Appleford by Chris MDL
12/11/2019 - Didcot North Junction by smithaj
08/11/2019 - Westbury by MJM
25/10/2019 - Westbury by MJM
12/10/2019 - Kings Langley by graham d
09/10/2019 - Leeds by MAC 228
09/10/2019 - Doncaster by MAC 228
09/10/2019 - oakenshaw [near wakefield by mick collinson
16/09/2019 - sharlston nr wakefield by mick collinson
11/09/2019 - Liverpool - Tuebrook by D.R.F.
11/09/2019 - Liverpool South Parkway by D.R.F.
09/09/2019 - Lichfield Trent Valley by concrete bob
04/09/2019 - Tamworth Station by Alanb
27/08/2019 - Armatage by Craig Jenkins
27/08/2019 - Armitage by Craig Jenkins
27/08/2019 - Madeley ( Staffs ) by Blade rr
27/08/2019 - Speke (Near Liverpool) by D.R.F.
22/08/2019 - Stafford station by GKB
22/08/2019 - Stafford Station by john b13
16/08/2019 - peterborough by Gareth84
13/08/2019 - Leicester by Perseverance
08/08/2019 - Leicester by Perseverance
06/08/2019 - Nuneaton by big neil
02/08/2019 - Nuneaton by 55 G
30/07/2019 - Leicester by Perseverance
22/07/2019 - Doncaster Decoy by Barney Staples
21/07/2019 - Doncaster Decoy by Barney Staples
17/07/2019 - Scunthorpe by fleecey
15/07/2019 - Scunthorpe by fleecey
11/07/2019 - Doncaster Decoy by Alanb
09/07/2019 - Lincoln Station by big neil
09/07/2019 - Doncaster by MAC 228
13/06/2019 - Doncaster Station by big neil
05/06/2019 - Doncaster Station by Alanb
04/06/2019 - Berry Brow to Doncaster via Meadowhall and return by 55 G
28/05/2019 - Berry Brow to Doncaster via Meadowhall and return by 55 G
27/05/2019 - Colton Junction by mike01
22/05/2019 - York Station by john b13
22/05/2019 - York by GKB
21/05/2019 - Colton Junction by mike01
17/05/2019 - Berry Brow to Doncaster via Meadowhall and return by 55 G
13/05/2019 - Salford Central by mdm
07/05/2019 - Peak Forest by 60500
06/05/2019 - Hope [ sidings ]/Peak Forest/Great Rocks/Buxton/Hindlow by 55 G
30/04/2019 - Doncaster by 55 G
29/04/2019 - Roberts Road by MAC 228
23/04/2019 - Doncaster by 60500
09/04/2019 - Berry Brow to Doncaster via Meadowhall and return by 55 G
07/04/2019 - Doncaster Decoy Yard by berkshirerover
03/04/2019 - Scunthorpe by fleecey
01/04/2019 - Stapleford by Alanb
28/03/2019 - Scunthorpe by fleecey
28/03/2019 - Scunthorpe by fleecey
26/03/2019 - Peterborough Station by smithaj
23/03/2019 - Doncaster by MJM
22/03/2019 - Doncaster by MJM
21/03/2019 - Doncaster by MJM
19/03/2019 - Berry Brow to Doncaster via Meadowhall and return by 55 G
07/03/2019 - Doncaster Woodyard/Belmont by MAC 228
21/02/2019 - Scunthorpe by fleecey
19/02/2019 - Scunthorpe by fleecey
19/02/2019 - Scunthorpe by fleecey
19/02/2019 - Melton Ross by smithaj
18/02/2019 - Melton Ross by smithaj
05/02/2019 - Stockport by Ashton
02/02/2019 - Roberts Road by MAC 228
02/02/2019 - Roberts Road by MAC 228
01/02/2019 - Leicester by Perseverance
29/01/2019 - Toton Depot / Yards by Alanb
28/01/2019 - Toton Depot / Yards by Alanb
27/01/2019 - Toton Bank by Talky-Tim
26/01/2019 - Toton Depot / Yards by Alanb
23/01/2019 - Toton Depot / Yards by Alanb
17/01/2019 - Leicester by Perseverance
10/01/2019 - TAMWORTH by Gadge
02/01/2019 - Barnetby by fleecey
20/12/2018 - Scunthorpe by fleecey
14/12/2018 - berry brow to doncaster and return by 55 G
01/12/2018 - Scunthorpe by fleecey
28/11/2018 - Scunthorpe by fleecey
18/11/2018 - Doncaster Decoy Yard by smithaj
17/11/2018 - barnetby station by smithaj
15/11/2018 - Scunthorpe by fleecey
14/11/2018 - Barnetby by BH124
03/11/2018 - Old Oak Common by graham d
25/10/2018 - Doncaster Station by big neil
29/09/2018 - Stockport by Ashton
23/09/2018 - Toton Bank by smithaj
11/09/2018 - Scunthorpe by fleecey
04/09/2018 - berry brow to doncaster and return by 55 G
31/08/2018 - Stockport by Ashton
10/08/2018 - Scunthorpe by fleecey
08/08/2018 - Scunthorpe by fleecey
07/08/2018 - Scunthorpe by fleecey
01/08/2018 - Bescot by MJM
31/07/2018 - Water Orton by HS 4000
20/07/2018 - Doncaster Decoy by Barney Staples
30/06/2018 - Trent Ouse Docker 1Z27 Coleshill - Hull docks. by HS 4000
19/06/2018 - Toton Depot / Yards by Alanb
19/06/2018 - Chesterfield by big neil
18/06/2018 - Stockport by Ashton
10/06/2018 - Chesterfield by Martian
08/06/2018 - Stockport by Ashton
08/06/2018 - Hope St Peakstone P. Sidings by D380
07/06/2018 - Salford Central by mdm
07/06/2018 - Manchester Victoria by Alanb
06/06/2018 - Salford Central by mdm
04/06/2018 - Salford Central by mdm
30/04/2018 - Farnborough by itfc4life
23/04/2018 - Hoo Junction by 67s all over wembley
16/04/2018 - Salford Central by mdm
14/04/2018 - Bescot by MJM
13/04/2018 - MID HANTS RAILWAY by Ollie Bulid
07/04/2018 - Peterbourgh by mick collinson
07/04/2018 - London - Hull by SuitednBooted
05/04/2018 - Birmingham by MJM
05/04/2018 - Nuneaton by 60500
02/04/2018 - peterborough by Alanb
21/03/2018 - Worting Junction by smithaj
15/03/2018 - Farnborough by itfc4life
14/03/2018 - Pirbright Aquaduct by 67s all over wembley
14/03/2018 - Farnborough by itfc4life
17/02/2018 - Peterborough Station and Yards by john b13
13/02/2018 - Stapleford by Alanb