Category Archives: Field Day

VHF Field Day

Members of the contest group took to the air this weekend operating for the 2014 VHF national field day.  Members activated 4 bands, 6 metres, 4 metres, 2 metres and 70 centimetres.

Band Transceiver Antenna
50 MHz Icom IC-7400 6-element Yagi
70 MHz Icom IC-7100 8-element Yagi
144 MHz Icom IC-7000 16-element Tonna
432 MHz Yaesu FT-847 27-element Tonna

Two masts were used.  Pictured below are the 6 metre and 2 metre antennas on the SCAM 12 metre mast.
VHF NFD 2014During the 24 hours of activity, starting 2pm UTC on Saturday, we managed to rack up 20 QSOs on 50 MHz, 53 QSOs on 70 MHz, 76 QSOs on 144 MHz and 24 QSOs on 432 MHz (173 QSOs total). Maps of the QSOs made are shown below for the 4 bands.

50 MHz

50 MHz VHF NFD 2014

70 MHz

70 MHz VHF NFD 2014

144 MHz

144 MHz VHF NFD 2014

432 MHz

432 MHz VHF NFD 2014

50 MHz Trophy Cup

Members of the contest group took to the air this weekend operating for the 2014 50 MHz Trophy Cup.  Equipment was an Icom IC-7700 transceiver, 6-element 6 metre beam and 12 metre SCAM pneumatic mast.

50 MHz 6-element beam

During the 24 hours of activity, starting 2pm UTC on Saturday, we managed to rack up around 150 QSOs in conditions which where a little above average.  Best DX was a tie between EA8 and IZ1 both very close to 3000 km.  Splashes of sporadic-E were noticed, but these patches where few and far between (hence sporadic!).

Map of QSOs:

50 MHz Trophy Cup 2014

Field Weekend

This event was similarly organised to the previous event.  Just a few of us run the event other the weekend, with a few others from the club helping out.  No photos of this event, but some breakdown of the 393 QSOs made.

The map below shows some of the contacts made.  Locations were taken from QRZ,com and so not all worked stations are on the map.

Map of some of the stations worked

Map of some of the stations worked

Below, a breakdown of the bands used and the number of QSOs made.

Band QSOs Percentage
40m 156  39.7
20m 233  59.3
10m 4  1.00
Total 393 100

Crude analysis of contacts made by mode of operation.

Mode QSOs Percentage
SSB 295 75.1
CW 98 24.9
Total 393 100

Field Weekend

At about 5pm, Spencer M0STO and Peter G0IAP converged on the grass outside the main mast at GB0SNB.  In their usual style, George M1GEO and Chris G8OCV were late delayed by around 1 hour by collecting their caravan.  Kevin M0TBX and others arrived some time later since they were coming from work.

George's car was pretty full

George’s car was pretty full

Spencer and Peter had made a good start on the beam construction, while Chris and George were levelling the caravan and setting up the awning as a shack.

Spencer drinking a tea with the antenna parts in the background

Spencer drinking a tea with the antenna parts in the background

By the time the mast had been erected, it was dark, and the generator was running some halogen lamps for the final stages.

Members help guide the Cushcraft ASL 2010 up on the SCAM12

Members help guide the Cushcraft ASL 2010 up on the SCAM12, with Diamond F-23 colinear atop.

Once erected and inflated, the mast was locked in position.  We checked the antennas functioned and went to sleep.  We awoke around 6:30am to try and get some DX into the log.  While operating, we erected the other SCAM mast with a 4 metre antenna.

The field weekend setup near the bunker's original tower site

The field weekend setup near the bunker’s original tower site

After some initial contacts, it became apparent that there was an intermittent connection on the Cushcraft ASL 2010.  Spencer volunteered to adjust the antenna.

Spencer standing on the car roof adjusting the beam

Spencer standing on the car roof adjusting the beam

Strike a pose

Strike a pose

Once the adjustments were made, we went inside to operate.

Members listen in as Steve G8PMU operates 4 metres

Members listen in as Steve G8PMU operates 4 metres

Icom IC7700 comprises the HF station

Icom IC7700 comprises the HF station

Below, Fred G3SVK operates the key on 17 metres, beaming towards Japan.

Fred operates 17 metres CW

Fred operates 17 metres CW

Some preventative maintenance on the generator during the weekend; Here Graham M0PAX and George fill the generator with fuel, while Spencer checks the oil level.

Tending to the generator

Tending to the generator

In total, there were 280 QSOs made that weekend, covering all areas of the globe.  The map below shows some of the contacts made.  Locations were taken from QRZ,com and so not all worked stations are on the map.

Map of some of the stations worked

Map of some of the stations worked

Below, a breakdown of the bands used and the number of QSOs made.

Band QSOs Percentage
60m 7 2.4
20m 173 59.5
17m 83 28.5
15m 2 0.7
4m 9 3.1
2m 17 5.8
Total 291 100

Crude analysis of contacts made by mode of operation.  FM mostly comprised of 4m and 2m activities although there were a couple of HF FM contacts on 10 metres.

Mode QSOs Percentage
SSB 158 54.3
CW 88 30.2
FM 45 15.5
Total 291 100

Field Day

A hurriedly organised event at a Wednesday club night saw members meeting at the bunker for a field day on the 15 March 2014.  We arrived early morning, with Spencer M0STO arriving at 7:30am.  Other members arrived about 9am.  We erected a small day-tent, the SCAM12 mast, and a 4 element tri-bander HF beam.

Higher HF bands QRV via Spencer M0STO's yagi

Higher HF bands QRV via Spencer M0STO‘s yagi

Members outside the day tent chatting

Members outside the day tent chatting

Most operating was done on 10 metres FM since, and the GB0SNB callsign achieved a good pile-up with plenty of activity.  Dave M0TAZ called into the club top-band net from his car (although not /M).

Dave M0TAZ operates top-band portable from his car boot with fishing rod antenna

Dave M0TAZ operates top-band portable from his car boot with fishing rod antenna

 

Steve G8PMU brought a crazy looking 4 metre antenna and some good contacts were made.

Steve G8PMU works some nice DX on 4 metres with Clansman

Steve G8PMU works some nice DX on 4 metres with Clansman

Dave G7UVW and Steve G8PMU pose with Clansman radios on back-packs.

Steve G8PMU poses with Clansman

Steve G8PMU poses with Clansman

David G7UVW with clansman was pedestrian mobile on 160 metres!

David G7UVW with clansman was pedestrian mobile on 160 metres!

Pictures taken by Chris G8OCV.

Work The World

Since the 2012 Work the World Event, Kevin, M0TBX along with members from a local club decided to recreate the event following a similar approach – relaxed and informal field day.

The photographs on this page were taken by Graham M0PAX and used with permission.

Chris G8OCV's homebrew HF yagi

Chris G8OCV‘s homebrew HF yagi

David G7UVW walks to lend a hand erecting Dave M0TAZ's 20m quad

David G7UVW walks to lend a hand erecting Dave M0TAZ‘s 20m quad

Peter G0IAP, George M1GEO and Aaron operate the outside HF station

Peter G0IAP, George M1GEO and Aaron operate the outside HF station

The ground side of Spencer, M0STO's homebrew tracking array

The ground side of Spencer, M0STO‘s homebrew tracking array

Spencer, M0STO's satellite tracking array

Spencer, M0STO‘s satellite tracking array

Kevin operates HF from the outside station

Kevin operates HF from the outside station

Dave, M0TAZ, operates HF from inside the club caravan

Dave, M0TAZ, operates HF from inside the caravan

Some general chit-chat as members enjoy lunch in the sun

Some general chit-chat as we enjoy lunch in the sun

Work The World

This event was short notice, coordinated by Kevin, M0TBX, from a local club. Following the design and construction of a new HF beam by Chris, G8OCV, we decided set up a nice HF station and try and work some DX. Our ambition was simple, to work the world.

We set up camp using the club caravan on the surface of the bunker to give us plenty of room. In the background, you can see Dave, M0TAZ‘s quad also being erected as well as Dave, G7UVW‘s long wire.

Work The World Camp

Work The World Camp

I think we achieved our aim of working the world, as the map below shows. This map was taken after about 5 hours of operating. In total, we managed many other QSOs. Only the first QSO into each new region is included in the map, to prevent it from becoming too cluttered.

Map of contacts

Map of contacts

A few other pictures

M0TAZ works the HF station.

M0TAZ works the HF station.

A few of G8OCV‘s homebrew 20 and 17 metre beam.

Rotator and homebrew yagi

Rotator and homebrew yagi

G8OCV homebrew beam

G8OCV homebrew beam

 

Museums on the Air

We struggled during the 2012 Museums on the Air weekend, due to some very strong (S9) local QRM. Afterwards, A few of us (M1GEOG8OCV and G7UVW) decided to try some antennas out at the site. We arrived back after tea at round 8pm, having sorted out some equipment, and set up operating a portable setup. We worked around 50 QSOs during the few hours we stayed there, operating from 9pm till 12:30am 24/25th June 2012.

During one QSO, we mentioned the operating setup, Icom IC7000, 40m dipole, using a pallet as a table on wet grass and gravel, and it was suggested that we make a ‘limited edition’ QSL card to commemorate the event. So, in light of the level of organisation, here is a QSL card made in 10 minutes.

Limited Edition QSL Card

Limited Edition QSL Card

Photo taken by Dave, G7UVW of George, M1GEO operating 40 metres. The light in this image comes from the camera flash. Logging was done using the IC7000’s LCD backlight, the auto-tuner’s power light, and the keypad light on the microphone!

I think all in all, we can all say we had fun for something we set up in 10 minutes!