Data from the WSPR web site relating to
monitoring and transmission from VK6YSF Northam Western Australia.
WSPR
Frequency: Dial 7.0386 MHz USB (occupied bandwidth 7.0400 -
7.0402 MHz)
Grid location: OF88II
Local Time = +8:00 hours (0:00 =
8:00AM)
Receive and transmit
SSN (Sun Spot Number): 42
Equipment: TS-930 at
5W, Radio computer
interface
Antenna: Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
This exercise was to
compare the 40/15m band sloper antenna with the main station antenna used
for operations on the 40m amateur band.

WSPR 40m
band activity data recorded for 10 x 24 hour period on the
24~30/07/2017 and 31/07/2017~05/08/2017showing SNR against UTC time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
3B8CW Mauritius - RECEIVED BY VK6YSF
Distance: 5990km
Grid location: LG89sx
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
9K2/VO1DZA Kuwait - RECEIVED BY VK6YSF
Distance: 9903km
Grid location: LL49bc
dBm: 33

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
AI6VN Berkeley, California USA - RECEIVED BY VK6YSF
Distance: 14769km
Grid location: CM97
dBm: 23

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
CF6TDG AB Canada - RECEIVED BY VK6YSF
Distance: 15384km
Grid location: DO31aa
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
DH5RAE Spiegelau Germany - RECEIVED BY VK6YSF
Distance: 13525km
Grid location: JN68qv
dBm: 33

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
DK8JP Neukirchen-Vluyn Germany - RECEIVED BY VK6YSF
Distance: 14053km
Grid location: JO31gk
dBm: 30

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
DL5RBD Viechtach Germany - RECEIVED BY VK6YSF
Distance: 13564km
Grid location: JN69kb
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
FR1GZ LA MONTAGNE Reunion - RECEIVED BY VK6YSF
Distance: 6146km
Grid location: LG79rc
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
HA0MDA Debrecen Hungary - RECEIVED BY VK6YSF
Distance: 13051km
Grid location: JN80cq
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
JA5NVN Japan - RECEIVED BY VK6YSF
Distance: 7542km
Grid location: PM74ec
dBm: 33

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
JA5NVN Japan - TRANSMISSION BY VK6YSF
Distance: 7542km
Grid location: PM74ec
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
JA8INU Sapporo Hokkaido Japan - RECEIVED BY VK6YSF
Distance: 8675km
Grid location: QN03qa
dBm: 20

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
JG1EIQ KOBE Japan - RECEIVED BY VK6YSF
Distance: 7632km
Grid location: PM74ns
dBm: 30

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
K3EA YARDLEY, PA USA - RECEIVED BY VK6YSF
Distance: 18609km
Grid location: FN20of
dBm: 30

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
K7MHI SNOQUALMIE, WA USA - TRANSMISSION BY VK6YSF
Distance: 14810km
Grid location: CN87wk
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
K9AN URBANA, IL USA - TRANSMISSION BY VK6YSF
Distance: 17598km
Grid location: EN50wc
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
KB2SVD Titusville, NJ USA - RECEIVED BY VK6YSF
Distance: 18598km
Grid location: FN20nh
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
KB7GF COLLEGE PLACE, WA USA - TRANSMISSION BY VK6YSF
Distance: 15091km
Grid location: DN06ta
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
KC4RSN OPELIKA, AL USA - TRANSMISSION BY VK6YSF
Distance: 17937km
Grid location: EM72hp
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
KD6RF GILMER, TX USA - RECEIVED BY VK6YSF
Distance: 17033km
Grid location: EM22lm
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
KG5THG De Leon, TX USA - TRANSMISSION BY VK6YSF
Distance: 10363km
Grid location: EM02oc
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
KP4MD ROSEVILLE, CA USA - RECEIVED BY VK6YSF
Distance: 14772km
Grid location: CM98iq
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
M0RTP Warfield England - RECEIVED BY VK6YSF
Distance: 14554km
Grid location: IO91pk
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
N5CEY Los Fresnos, TX USA - TRANSMISSION BY VK6YSF
Distance: 16855km
Grid location: EL26gq
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
NN6RF EL CERRITO, CA USA - TRANSMISSION BY VK6YSF
Distance: 14671km
Grid location: CM87uw
dBm: 37 (5W)

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
ON7KO VRASENE Belgium - RECEIVED BY VK6YSF
Distance: 14212km
Grid location: JO21cepk
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
PI4TX Netherlands - RECEIVED BY VK6YSF
Distance: 14186km
Grid location: JO22jp
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
RX3QFM Voronezh Russia - RECEIVED BY VK6YSF
Distance: 11927km
Grid location: KO91oo
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
TA4/G8SCU Alanya Turkey - RECEIVED BY VK6YSF
Distance: 11694km
Grid location: KM56ov
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
V53ARC Namibia - RECEIVED BY VK6YSF
Distance: 9575km
Grid location: JG87
dBm: 30

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK1JAM Fraser ACT Australia - RECEIVED BY VK6YSF
Distance: 3013km
Grid location: QF44mt
dBm: 23

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK1UN ACT Australia - RECEIVED BY VK6YSF
Distance: 2659km
Grid location: QF22lf
dBm: 30

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK2OMD Bowral, NSW Australia - RECEIVED BY VK6YSF
Distance: 3146km
Grid location: QF55fm
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK3DXE Seaford VIC Australia - RECEIVED BY VK6YSF
Distance: 2678km
Grid location: QF21nv
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK4NE ROCHEDALE, QLD Australia - RECEIVED BY VK6YSF
Distance: 3532km
Grid location: QG62nj
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK5EI PARAFIELD GARDENS, SA
Australia - RECEIVED BY VK6YSF
Distance: 2057km
Grid location: PF95gd
dBm: 27

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK5LA BERRI, SA Australia - RECEIVED BY VK6YSF
Distance: 2238km
Grid location: QF05gq
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK6JB Kalgoorlie, WA Australia - RECEIVED BY VK6YSF
Distance: 463km
Grid location: PF09rg
dBm: 27

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VK7DD EXTON, Tasmania Australia - RECEIVED BY VK6YSF
Distance: 2877km
Grid location: QE38il
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
VU2LID TRIVANDRUM, KL India - RECEIVED BY VK6YSF
Distance: 6147km
Grid location: MJ88lm
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
dBm: 30
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun dBm:
37
VU3KAZ Bangalore India - RECEIVED BY VK6YSF
Distance: 6467km
Grid location: MK82tu
dBm: 30 & 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
W3IH Truth or Conseq, NM USA - RECEIVED BY VK6YSF
Distance: 15910km
Grid location: DM63ic
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
W4MO Venice, FL USA- RECEIVED BY VK6YSF
Distance: 18104km
Grid location: EL86ux
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
W7REK Marana, AZ USA - RECEIVED BY VK6YSF
Distance: 15552km
Grid location: DM42lk
dBm: 27

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
WA9EIC DANVILLE, IL USA - RECEIVED BY VK6YSF
Distance: 17638km
Grid location: EN60ed
dBm: 37

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
WD6DFH EUGENE, OR USA - RECEIVED BY VK6YSF
Distance: 14716km
Grid location: CN84
dBm: 30

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
YB0Z Jakarta Indonesia - RECEIVED BY VK6YSF
Distance: 2940km
Grid location: OI33tj
dBm: 33

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
ZL3PX CHRISTCHURCH New Zealand - RECEIVED BY VK6YSF
Distance: 5003km
Grid location: RE66hm
dBm: 47

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
ZS6GL Randburg South Africa - RECEIVED BY VK6YSF
Distance: 8414km
Grid location: KG33xv
dBm: 23

WSPR data has been graphed using
Excel. Horizontal axis = UTC Time, Vertical axis = dB below the
noise floor.
Antenna#1
Sloper Antenna - 40 & 15m
Bands
with T-Match tuner
Antenna#2 Multi-band
dipole with T-Match tuner and 4-1
Current Balun
ZS6GOO Gauteng South Africa - RECEIVED BY VK6YSF
Distance: 8416km
Grid location: KG33xw
dBm: 23
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