Introduction

NOTE – This Page is Under Construction, the report still needs to be compiled and photos selected but the statistical analysis has been undertaken

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Results

The results presented below have been determined following analysis of the unadjudicated log, and will not be updated once results are known.

Number of QSOs

Table 1, below, presents the disposition of QSOs across the operating period and calculates both the average QSO/Hour and by how much each hour deviates from the average. This table when tracked over a number of years can provide an insight into the best times to operate.

Table 1 – QSOs Recorded
Day Time (UTC) Hour QSOs %age of QSOs Deviation from Average QSOs/Hour Cumulative QSOs Cumulative %age of QSOs Cumulative QSOs/Hour
 
S
a
t
u
r
d
a
y
 
14:00 – 15:00 1 18 13.74% 133.59% 18 13.74% 18.00
15:00 – 16:00 2 17 12.98% 120.61% 35 26.72% 17.50
16:00 – 17:00 3 7 5.34% -9.16% 42 32.06% 14.00
17:00 – 18:00 4 9 6.87% 16.79% 51 38.93% 12.75
18:00 – 19:00 5 11 8.40% 42.75% 62 47.33% 12.40
19:00 – 20:00 6 6 4.58% -22.14% 68 51.91% 11.33
20:00 – 21:00 7 6 4.58% -22.14% 74 56.49% 10.57
21:00 – 22:00 8 3 2.29% -61.07% 77 58.78% 9.63
22:00 – 23:00 9 1 0.76% -87.02% 78 59.54% 8.67
23:00 – 00:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
 
S
u
n
d
a
y
 
00:00 – 01:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
01:00 – 02:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
02:00 – 03:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
03:00 – 04:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
04:00 – 05:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
05:00 – 06:00 Shutdown 0 0.00% -100.00% 78 59.54% 8.67
06:00 – 07:00 10 2 1.53% -74.05% 80 61.07% 8.00
07:00 – 08:00 11 3 2.29% -61.07% 83 63.36% 7.55
08:00 – 09:00 12 6 4.58% -22.14% 89 67.94% 7.42
09:00 – 10:00 13 8 6.11% 3.82% 97 74.05% 7.46
10:00 – 11:00 14 5 3.82% -35.11% 102 77.86% 7.29
11:00 – 12:00 15 9 6.87% 16.79% 111 84.73% 7.40
12:00 – 13:00 16 6 4.58% -22.14% 117 89.31% 7.31
13:00 – 14:00 17 14 10.69% 81.68% 131 100.00% 7.71
TOTALS 131 100.00%  

The basic patterns from previous years are seen to recur. Predictably the “hit rate” is highest in the early hours of the contest. This year, however the first 2 hours only accounted for 25% of the total QSOs and the first 3 hours only accounted for around one third of the total QSOs. In previous years this period has normally accounted for closer to 50% of the total QSOs in the weekend. It was a pleasant surprise, therefore to see early predictions of a sub 100 QSO log being well exceeded. This difference from previous years might have had something to do with a small football match that was going on on the Saturday afternoon.

The was a small “blip” in the hit rate on Saturday evening between 18:00 UTC – 19:00 UTC which is not apparent every year but has been observed before.

Sunday started slower than usual although this might be because our rotator had slipped overnight and was not pointing in the direction the controller said it was! There was reasonable activity all through Sunday morning with the usual flurry of contacts in the closing hour of the contest.

Our average QSO rate was 7.71 QSO/hour but the range was from as high as 18 QSO/hour (1/3.33 minutes) to a low of 1 QSO/hour late on Saturday evening.

The late shift on Saturday had a hard time scaring up some contacts calling CQ although stations on the east coast were reporting significant activity in Europe during these late hours. This clearly demonstrates the benefit of being situated on the east of the country with easy access to continental Europe as well as a reasonable spread of land to the west as well.

Points Scored

Table 2, below, presents the disposition of points scored across the operating period and calculates both the average points/QSO and by how much each hour deviates from the average. This table when read in conjunction with the QSO rate above can provide an insight into the best times to operate, as it is not always the most frenetic periods that yield the best distances.

Table 2 – Points Scored
Day Time (UTC) Hour Points Average Points/QSO %age of Total Points Deviation From Average Points/QSO Cumulative Points Cumulative Percentage of Points
 
S
a
t
u
r
d
a
y
 
14:00 – 15:00 1 2595 144.17 9.89% -28.05% 2595 9.89%
15:00 – 16:00 2 2286 134.47 8.71% -32.89% 4881 18.60%
16:00 – 17:00 3 1959 279.86 7.46% 39.67% 6840 26.06%
17:00 – 18:00 4 1991 221.22 7.59% 10.41% 8831 33.64%
18:00 – 19:00 5 1373 124.82 5.23% -37.71% 10204 38.88%
19:00 – 20:00 6 1466 244.33 5.59% 21.94% 11670 44.46%
20:00 – 21:00 7 1881 313.50 7.17% 56.46% 13551 51.63%
21:00 – 22:00 8 1311 437.00 4.99% 118.10% 14862 56.62%
22:00 – 23:00 9 251 251.00 0.96% 25.27% 15113 57.58%
23:00 – 00:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
 
S
u
n
d
a
y
 
00:00 – 01:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
01:00 – 02:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
02:00 – 03:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
03:00 – 04:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
04:00 – 05:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
05:00 – 06:00 Shutdown 0 0.00 0.00% -100.00% 15113 57.58%
06:00 – 07:00 10 641 320.50 2.44% 59.96% 15754 60.02%
07:00 – 08:00 11 613 204.33 2.34% 1.98% 16367 62.36%
08:00 – 09:00 12 1747 291.17 6.66% 45.32% 18114 69.01%
09:00 – 10:00 13 1967 245.88 7.49% 22.71% 20081 76.50%
10:00 – 11:00 14 1284 256.80 4.89% 28.17% 21365 81.40%
11:00 – 12:00 15 1136 126.22 4.33% -37.00% 22501 85.72%
12:00 – 13:00 16 1202 200.33 4.58% -0.02% 23703 90.30%
13:00 – 14:00 17 2545 181.79 9.70% -9.27% 26248 100.00%
TOTALS 26248 200.37 100.00%  

As in previous years the early more frenetic hours at the start of the contest do not yield the best points haul. Hours 1 and 2 of the contest account for nearly 27% of the total QSOs recorded and yet only provide 19% of the total points scored. By contrast 08:00 UTC – 10:00 UTC on Sunday provides just over 14% of the total points scored but accounts for only around 10% of the total contacts.

Overall we managed an average 200 points (or kilometres) per QSO about 10% up on 2017, although year on year comparisons can be misleading as a result of differing conditions. 3 good contacts on Saturday evening between 21:00 UTC and 22:00 UTC gave around 437 points (or kilometres) per QSO which is very good, on a par with Loch Fynes overall average in 2017. The lowest period was 18:00 UTC – 19:00 UTC on Saturday when despite working 11 stations the average score was only 125 points (or kilometres) per QSO.

Distances Worked

Tables 3 and 4, below, present a summary of the distances worked. The best DX was DA0FF at 887km

Table 3 – Distances Worked
Distance Number of Stations Worked Percentage of Stations Worked
Dist <= 1km 2 1.53%
1km < Dist <= 5km 0 0.00%
5km < Dist <= 10km 0 0.00%
10km < Dist <= 20km 6 4.58%
20km < Dist <= 50km 16 12.21%
50km < Dist <= 100km 26 19.85%
100km < Dist <= 200km 30 22.90%
200km < Dist <= 350km 28 21.37%
350km < Dist <= 500km 13 9.92%
500km < Dist <= 750km 9 6.87%
750km < Dist <= 1000km 1 0.76%
1000km < Dist <= 1500km 0 0.00%
1500km < Dist <= 2000km 0 0.00%
2000km < Dist 0 0.00%
TOTALS 131 100.00%

Distribution of Distances

Table 4 – Statistical Analysis of Distances Worked
Quantity Value Population
Mean Distance (km) 200  
Median Distance (km) 157  
Mode (km) 47 3
1 Standard Deviation 171.19 79.39%
2 Standard Deviation 342.39 95.42%
3 Standard Deviation 513.58 99.24%

The distribution of distances worked is similar to previous years. There is a broadly normal distribution with around 44% of all QSOs in the 100km – 350km range with essentially a 50/50 split between 100km – 200km and 200km – 350km. Taking the 50km – 100km range into account brings the total to 64%.

The mean is above the median indicating a bias towards longer distance QSOs which would be expected in a contest where long distances are rewarded. The most common distance worked was 47km which was the result of 3 contacts into the same grid square!

If an effective reliable operating range of 350km is assumed then from our location we could reliably expect to be able to work to the French coast at Calais and Brest, the east coast of Eire and north to the Lake District. There is significant unpopulated areas of ocean off the North Devon, and North Cornish coasts within our effective range reducing the potential number of target stations. By contrast a station on the east coast, and we worked several, is blessed with much more populated land mass within 350km including most of southern England out to mid-Wales and into continental Europe with the Netherlands, parts of Germany, Belgium, Luxembourg and a large tract of France being easily accessible.

Countries Worked

The tables below show the number of stations from each country with a specific breakdown for UK stations. The tables are generic allowing flexibility in the website code rather than aspirational in terms of the countries we expect to contact.

Table 5A – UK Stations Worked
Country Callsign Groups Number of Stations Worked Percentage of Total QSO
England G, GX, 2E, M, MX 88 67.18%
Special Events GB 0 0.00%
Isle of Man GD, GT, 2D, MD, MT 1 0.76%
Northern Irelend GI, GN, 2I, MI, MN 1 0.76%
Jersey GJ, GH, 2J, MJ, MH 0 0.00%
Scotland GM, GS, 2M, MM, MS 4 3.05%
Gurnsey GU, GP, 2U, MU, MP 1 0.76%
RSGB 2013 Centenary Stations GV, 2V, MV 0 0.00%
Wales GW, GC, 2W, MW, MC 15 11.45%
Club Stations (included above) GX, MX, GT, MT, GN, MN, GH, MH, GS, MS, GP, MP, GC, MC 1 0.76%
SUB-TOTAL United Kingdom Stations 110 83.97%
Table 5B – Non UK Stations Worked
Country Callsign Groups Number of Stations Worked Percentage of Total QSO
Andorra C3 0 0.00%
Austria OE 0 0.00%
Belgium ON, OO, OP, OQ, OR, OS, OT 2 1.53%
Cyprus 5B, C4 0 0.00%
Czech Republic OK, OL 0 0.00%
Denmark 5P, OZ 0 0.00%
Eire EI, EJ 3 2.29%
France (inc Overseas Territories) F, TM, TO, TX 13 9.92%
Germany DA, DB, DC, DD, DF, DG, DH, DJ, DK, DL, DP, DR 2 1.53%
Gibralter ZB, ZG 0 0.00%
Greece J4, SV 0 0.00%
Hungary HA, HG 0 0.00%
Italy I, IA, IB, IC, ID, IE, IF, IG, IH, IK, IL, IN, IP, IR, IT, IV, IW, IX 0 0.00%
Liechtenstein HB0 0 0.00%
Luxembourg LX 0 0.00%
Monaco 3A 0 0.00%
Netherlands (inc Antilles) PA, PB, PD, PE, PI, PJ 1 0.76%
Norway LA, LB, LC, LG, LI, LJ, LN 0 0.00%
Poland HF, SN, SO, SP, SQ, SR 0 0.00%
Portugul (inc Azores) CT, CU 0 0.00%
San Marino T7 0 0.00%
Sardinia IM, IS 0 0.00%
Slovak Republic OM 0 0.00%
Slovenia 7S 0 0.00%
Spain (inc Overseas Islands, Territories, Balearic Islands, Canary Islands, Ceuta and Melilla) AM, AN, AO, EA, EB, EC, ED, EF, EG, EH 0 0.00%
Sweden 8S, S5, SH, SI, SJ, SL, SM 0 0.00%
Switzerland HB, HE 0 0.00%
Vatican City HV 0 0.00%
SUB-TOTAL Non United Kingdom Stations 21 16.03%
Table 5C – Summary of Stations Worked
Country Callsign Groups Number of Stations Worked Percentage of Total QSO
SUB-TOTAL United Kingdom Stations 110 83.97%
SUB-TOTAL Non United Kingdom Stations 21 16.03%
TOTAL MATCHED All UK and Non UK Stations 131 100.00%
Unmatched Callsigns Possible Log Errors or Foreign Special Event or similar Stations 0 0.00%
FINAL TOTAL All Stations inc Unmatched Callsigns 131 100.00%

We almost managed a clean sweep of the United Kingdom Regional Secondary Locators, something that has not been achieved to date on any contest or Special Event operation that we have participated in. Missing stations in Jersey was the only reason that we failed to collect all RSLs.

16% European contacts is on a par with 2017 and higher than we have achieved in many previous years.

Location of Stations Worked

Map Showing Locations of Stations Worked

Submitted Log

Below is the full log submitted following participation in this years event. If any information is received post submission updates will appear in the “Notes” column.

We normally get round to uploading our Field Day contest logs to eQSL.cc, but otherwise do not exchange QSL cards in this event. If you wish to QSL traditionally please send information via the RSGB Bureau.

VHF National Field Day 2018 Log

We will publish our contest log after the closing date for log submissions.