KT Tunstall - Maybe Its A Good Thing (CDr)

Don't worry though, you're in control of your privacy and can turn off the sending of position reports at any time. More details can also be found at www. Of the 12 Cadets and one civilian instructor from the ATC, ten obtained very high pass marks. In December, 3 Cadets joined 7 other candidates taking the Intermediate exam. All passed, achieving some of the highest marks to date. They have a comms and radio room at their HQ with HF capability, so look out for them in competitions.

Intermediate exam photograph. Rear left civilian ATC instructor Dave. Entrance is free to the lecture and the reception following in the Bodleian Library. Using a Windom antenna into a FTMP transceiver they managed to make contacts throughout the UK and Europe as well as contacts with many other railways, mainly on the 40 and 80m bands that were particularly open over this weekend.

The photo shows the membership of the Rhondda Wireless Enthusiasts' Society, taken back in He used to build his own wireless sets in aboutto which he invited his neighbours to listen. The club would be interested to discover more about this photograph — the occasion and the people in it. A bi-monthly newsletter will be e-mailed to club secretaries who have registered to receive it, containing a wide variety of information including practical operating tips specifically targeted at the large number of operators who have not previously experienced the enhanced F2 propagation expected during the sun spot cycle peak in Any club secretaries who have not already registered to receive the newsletter can do so at www.

Radio amateurs are encouraged to participate in this event by setting up stations in their local museums. Harry, M1BYT, who is organising the event, asks that all those intending to take part should register their museum via e-mail to [email protected] Full details of the event can be found on the International Museums Weekend website at www. This was the 15th Foundation course for Plymouth Training Team, making a total of 97 students. There is already a waiting list for the next Foundation course but first the seven successful candidates now want an Intermediate course and examination.

He had been searching for a course for several months and had set his own target of gaining a callsign before the New Year. The training was largely conducted by Bill, 2E0IPC with assistance from other in-house instructors in only four evenings — quite a task, considering all the practical sessions had to be incorporated in that period!

Towards the end of his training, Nicholas asked if it would be possible to take the exam just before he returned home for the Christmas period. As this request was made less than two weeks before Christmas, the club had to pull out all the stops.

The club was specially opened on Thursday, 23 December so that Nick was able to sit the exam. He passed with a score of 23 out of 25 and is now looking forward to getting on the air.

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The lads, with their leader Pete Houghton, can be seen being presented with their Foundation pass certificates. Warrington Amateur Radio Club is delighted to welcome young people from other organisations within the community to their introductory amateur radio Foundation licence courses. The Club meets at the Grappenhall Community Centre at 7. The mainstay is a heavy duty range, but certain products are also available as a lightweight alternative. All antennas and accessories can be ordered directly online at www.

Alternatively, Steve can be contacted at the workshop on or by e-mail to [email protected] Vortex Whirlwind 3-element lightweight 6m antenna. The appeal has been launched to raise funds to develop the Golden Grove Mansion near Llandeilo into a convalescent home; the first of its type in Wales dedicated specifically for both our wounded Armed Forces personnel and veterans.

The small team of radio amateurs from the club, which included a few ex-service men, managed to make contact with different radio amateurs from around the world. Many QSOs were made with various countries around Europe, however some of the more exotic places contacted were South Africa, Argentina, Brazil and even a few into Australia.

During the 24 hour event, various members of the group took it in turns to use GB1HTW using the three radio stations that had been set up in the club HQ. Special thanks to the committee running Swiss Valley Community Centre for allowing the club to use the hall at the HQ for the 24 hour event free of charge. A big thank you must also go to all involved in helping out with operating the stations and raising funds for the charity. This makes a total of 14 Foundation licences passed inthree of whom are school pupils.

At the club, they are very proud of them all. Marine Products Two of the well-known names in amateur radio also have a large presence in the world of marine radio. An important safety feature of the radio is that it has a bright internal red LED incorporated at the bottom of the radio that automatically starts flashing when the radio detects contact with water. He was a highly respected former chairman of the club and members could not let his passing go without some sort of memorial in his honour.

His interest in building amateur radio equipment meant that a suitable memorial trophy was an obvious choice. She kindly agreed to say a few words to those present before she presented the new trophy to the winner, David Middleton, G6DCT. David won the trophy for his outstanding selection of homemade transceivers. The three judges were unanimous in their decision. The transceivers were entirely homemade and designed by David, including the printed circuit boards.

In addition to a certificate, Josh received a 40m QRP transceiver kit. Mark is a new club member and now has the callsign M0TGW. The evening was also used as an opportunity to present framed certificates of achievement and appreciation to seven club members who had made a distinct contribution to the club during the year. G1TKX has been lead instructor at SARC for some 20 years and it was felt appropriate at this event to officially recognise his considerable contribution to the club.

The club is about to begin the next Foundation and Intermediate courses at the club venue. The company, Antenna Engineering, has a comprehensive range of amateur radio antenna equipment ranging from mono band single element verticals to multi element phased arrays.

Antenna Engineering produces a range of vertical antennas for the serious DX enthusiast. Held at the Central Florida Fairgrounds in Orlando on 11 to 13 February the organisers are hoping for over commercial traders, swap table sellers together with the largest 'Tailgate Area' in the southeast US. A number of radio amateurs operate from aboard craft on the inland waterways where the canal gives a good ground plane and S0 noise levels.

M0JAV is interested in organising Waterways on the Air in a similar manner to Railways on the Air — not a contest but an opportunity to rag chew with fellow amateurs operating close to inland waterways.

The suggestion is to hold it on the weekend of the Inland Waterways Festival and to try to illuminate as many of the inland waterways as possible. It is likely some narrowboat amateurs will be attending.

Operators can take advantage of the low noise levels to attempt IOTA contacts from their canal locations, which will give plenty of signals for demonstration to interested gongoozlers a person who enjoys watching activity on the canals in the United Kingdom.

If people are interested in this idea, please contact John, M0JAV on or by e-mail to [email protected] Further information about the inland waterways can be found at www.

Congratulations to Ian. This year warnings were sent to some stations for self-spotting. Contestants and their club members need to be aware that their team is likely to be penalised if they persist in this practice. The weather in the early summer of was pretty good and even Glastonbury was dry.

By September things were not quite so stable, so most parts of the country were lucky to have a dry weekend. SSB Field Day was quite eventful this year. A single operator won the Restricted Section — the first time this has been done.

And in the Open Section the club with the most QSOs did not win, which demonstrated the importance of multipliers in this contest. Although the weather was dry in most areas the sunspot cycle was still showing little sign of picking up at that time. Few openings were seen on 15m and virtually none on 10m. The result was very close in the Open Section and multipliers proved to be the key.

In spite of some painful dental work just before the contest he managed to operate for most of the 24 hours and will pick up the G3PSH Memorial Trophy for his efforts. All logs were entered online this year using the RSGB entry robot. In adjudication we generally assume that the receiving station is in error, but where a lot of errors are created by a particular station the adjudicator may decide otherwise. The DX cluster is a valuable tool in contests like this one.

If you have access to the cluster in the field it allows you to monitor for new multipliers. Also, getting spotted on the cluster drives more stations your way by telling them your frequency. HF propagation was very poor. It was almost identical to the previous year and typical for the sun-spot low. A small Sporadic-E opening on 10 metres seems to have only favoured one or two locations and many stations recorded zero points on the band.

As usual it was the top Open Sections stations that made the most out of 20 metres late on the Saturday evening. Some groups reported difficulty with stations in the All Asia contest refusing to work them. This would most likely be nonAsian stations, as Asian stations are usually only too happy for the points, provided you supply your age for their contest as well as your serial number for Field Day.

This contest manages to provide a great vehicle for clubs to organise a social event as well as the excitement of the contest itself. The fact that it runs concurrently with the 2m Trophy event provides an opportunity to bring HF and VHF contesters together. We will all be looking forward to the long awaited upturn in the sunspot cycle and a lively event in Many thanks to all who entered and those who sent check logs. The results are available on the Contest Committee website, www.

Tower being towed KT Tunstall - Maybe Its A Good Thing (CDr) site. Norfolk ARC antennas and tent. It all helps form a picture of the event. Any pointers would be helpful! Well not here obviously! The station was pulled down and put up by myself who is getting cardiac surgery in three days and our treasurer John who by his own admission is well past his sell by date!

Weather mostly dry but windy; however heavy rain came to visit for a few hours on Sunday and around 30 minutes were wiped out by static rain.

Aerial erected dusk Friday evening perhaps explaining why wire wrapped around mast. All had to be redone Saturday morning. Pity distance isn't in the score! Anyone know how best to persuade All Asia participants to give points to Field Day participants?

Wx on Friday and Saturday was perfect Sunday was cooler but still good. Pity about 10m though! No major technical problems. An enjoyable weekend. An enjoyable contest and lessons learnt. Medieval tent as operating base. All food cooked over an open fire again. Pick-up possible Second hand amplifiers are usually available for sale, please ring for details.

I no longer make amplifiers but I am now in a position to repair most makes of valve amplifier at a competitive price. Repair, Service and Tune-up to full performance. I would be pleased to look at any type of triode or tetrode linear amplifier, old or new! I will also look at ATUs and Mobilite microphones. Give me a call and I will try to help you. Latest schedules for Clearly arranged and really user-friendly. Dozens of SDR screenshots. Digital data transmission on HF. Military modem standards.

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Filters for other bands appear similar. We will start with the filter for the m band, the filter centre frequency of which is 1. Most filter design calculations define the bandwidth as the frequency difference between the upper and lower -3dB frequency points. This is not particularly useful when designing a maximally flat Butterworth filter or a Chebyshev filter with passband ripple of much less than 3dB.

Attenuation graphs from Zverev [2] show that a 4th order Butterworth filter will have a -1dB bandwidth that is 0. The standard formula for finding the value of capacitor required to make a resonant LC circuit is based on the basic Hz, on the web [1].

Building a T50 type powdered iron cores for the switched BPF unit with separate filters for inductors. The filters from 1. Coils wound on quite a daunting task. Using number of turns. The filters from 10MHz to fourth order filters, that is 44 hand wound 52MHz use coils wound on T yellow coils, 22 miniature relays and several dozen cores. These coils have an approximate capacitors. Make sure you use manageable, each filter will be built as a the correct cores.

Using random cores from separate sub-module. After testing and the junkbox is almost sure to end in failure, alignment, these filters will be incorporated even if the cores happen to be the correct into the main BPF unit. The constructor may colour. Toroid colour codes are not universal.

I have left room for at least ten filters component values. The C source code for in my BPF unit. At the time of writing, I have this program can be found on the project built and tested six sets of filters to cover the web page [1]. The key lines of this program80, 40, 17, 10 and 6m bands. I will are: add a few more when the next batch of relays arrives.

If you start with the LF filters, your 40T 40T 40T 40T task will get progressively easier as 65p 65p 65p 65p you work your way up through the 13T 13T bands.

T T T T The filter for the 17m band was described in detail last month. The design procedure was covered in Homebrew for September Other bands use the same circuit with different component values. Henry and Farad units.

This can be used to find the total capacitance for each resonator nodal capacitance. To find the correct values for the interresonator coupling capacitors, we can use I used pF in parallel with 15pF for C The usual model of an LC resonant circuit shows loss resistance as a resistor in series with the inductor. Capacitors are often assumed to be completely lossless. This approach was probably valid back in the days when air spaced capacitors with large metal plates had Qu values of over I have learned to my cost that some modern miniature ceramic capacitors can be quite lossy.

Figure 1 shows the filter schematic. Figure 2 shows the expected response for a resonator Qu value of Insertion loss of below 1dB is unlikely to be achieved in practice.

Passband ripple of well below 1dB should be readily achievable. The filter was built on a x26mm strip of double sided PCB laminate.

The finished unit is shown in Photo 1. The filter is built in the middle of the board using point-to-point wiring.

The switching relays can be seen at each end of the board. The wire was stripped from four core telephone cable. Instead of using trimmer capacitors, I used hand picked fixed capacitors for the m filter.

Normalised d too 1MHz. I managed to make a couple of pF capacitors from selected parallel pairs of and pF. The first test of the filter gave very disappointing results. The passband was accurately centred on 1. All component values were checked and found to be accurate. Checking the Q of one of the resonators revealed that Qu was just 26! The capacitors were miniature ceramic disc types that came from a very low cost kit. Substituting a high quality air spaced capacitor resulted in a radically improved Q of just over Clearly these cheap and nasty capacitors are just not up to the job.

When the capacitors were replaced by larger ceramic types, filter insertion loss improved to an acceptable level of 3dB and return loss is now better than 20dB SWR 1. The remaining filters were built on identical x26mm strips of double sided PCB. The filter specification, component values and toroid details are listed in Table 1. Six of the filters have been built and tested.

The untested filters were designed using the same formula. Any amendments and additional filter details will be posted on the web [1]. Most of the filters use a combination of fixed and trimmer capacitors. Filters for the higher bands used cheap and readily available 40pF trimmers that can be bought on eBay for about 25p each.

The T50 toroids were bought in bulk from a well known US seller [3]. None of the other filters were as troublesome as the m filter. The 80m filter performs particularly well, with a measured insertion loss of 1. Each filter is mounted vertically on a sheet of PCB laminate. Photo 2 shows the first four filters in the BPF unit. The filters are soldered to the main PCB. The first filter is seam soldered along the entire length of the back of the filter PCB. There is less working room for filters at the centre of the cluster, but you should make sure that each filter is soldered to ground at several points.

The height of each filter is about mm. When they are mounted edgeways on the main filter unit, you should allow a few mm clearance between the relay pins and the adjacent filter PCB. This means you need about mm per filter or, if you prefer, one filter per inch.

Figure 3 shows the arrangement of the switching relays. This gives much improved isolation at virtually no extra cost. There is no requirement for the filters to be mounted in any particular order, eg80, 40… There may even be a case for mounting the filters in a staggered manner so that filters for adjacent or harmonically related bands are physically separated, for example17, 40, 12, 80… The 10nF capacitor across each relay coil prevents RF leakage around the filter via capacitive coupling between the relay contacts and coil.

Isolation can be further improved by placing a ferrite bead on the 12VDC wire to each relay. The 1N diodes suppress negative voltage transients caused by back-EMF from the relay coils. The choice of diode is not critical.

These wires are marked A and B in the schematic. Filters for the highest frequency bands 10m and 6m should be placed near the centre of the filter cluster so that the length of the connecting wires is as short as possible. A extra few cm makes no difference on the lower frequency bands where wavelength is measured in several tens of metres.

This is very similar to the post-mixer amp described last month. The second stage is a 2N common-emitter amplifier with shunt feedback and emitter degeneration.

The amplifier schematic is shown in Figure 4. I used a spectrum analyser with tracking generator for most of the filter tests. The home made return-loss bridge from January was used for return loss measurements.

Filter insertion loss was generally between 1. I didn't bother to investigate the reason for this because I was quite satisfied with the IL, BW and passband ripple performance of this filter. This represents the limits of my test instruments rather than the ultimate attenuation of the switching relays. Stopband attenuation is generally greater than 60dB.

This type of filter has an asymmetrical response that gives greater attenuation of frequencies below the passband. This works well in practice because the transceiver will have band switched low pass filters which will greatly reduce the level of any spurious signals at frequencies well above the BPF passband.

I haven't yet chosen a driver and PA for the transceiver. I will proceed with a working assumption that the PA will produce 10W and the driver will produce 1W. Assuming 10dB of gain for each stage, mW of drive from the low level amplifier should be sufficient.

The surface mount Philips BFG looks like a possible candidate. As I have recently bought a new batch of 2N transistors, I will use one in the prototype low-level amplifier. The 2N is a 1W transistor with an fT of 1. The amplifier was built dead bug style on a strip of PCB laminate. T1 is 10 turns of enamelled copper wire, bifilar wound on a FT or similar medium to high permeability ferrite toroid.

Wire diameter is not that critical: I used 0. The second stage requires a heatsink; the 2N dissipates about mW in this circuit.

After one hour of testing, the small clip-on heatsink seen in Photo 3 was quite hot. A larger heatsink would be desirable, especially if you are a rag chewer or use SSTV or data modes. The choke in the collector circuit is 8 turns of insulated wire on a FT toroid. As usual, the wire came from standard telephone cable. At pennies per metre, this type of cable is an excellent source of general purpose insulated hookup wire.

This was one of those happy projects where the initial design survived the transition from computer screen to the finished hardware without needing any modification. The measured gain is very close to the design value of 35dB. Photo 4 shows the measured gain from LF to 50MHz. Gain is almost perfectly flat from 1. Input return loss is better than 16dB from 1. The amplifier is very well behaved at output levels up to mW and saturated output is about mW.

All of the modules built so far were wired up on the bench. With the LO generator set to Golden State EP Live Islington Assembly Hall Show more Show less. Nelly Furtado. Sheryl Crow. Rachael Yamagata. Fiona Apple. Brandi Carlile. Sandi Thom. Beth Orton. Shelby Lynne. Drastic Fantastic. Retrieved 31 March Retrieved on 4 April Retrieved 3 April Retrieved on 4 August KT Tunstall. KT Tunstall's Acoustic Extravaganza. Timmy, my friend Are you okay? Just kidding. Brent kicked ass and later on Vince began to fit in more but for awhile Bruce's piano gave this band such a complete sound.

With just Vince, they may have floundered for awhile before he found his groove. But with Bruce They'd've been so much better had he stayed in the band and Vince was never brought on board.

Vince might play well on a lot of tunes but Hornsby is a genius. I'm glad you're here, I appreciate you clicking to and commenting but we'll have to respectfully agree to disagree, my friend. I like Vince just fine Thanks for the show. IMO the problem with Vince was that they made Bruce play the piano and Vince got stuck with the cheesy keyboards. After Bruce left and Vince played piano, he fit in a lot better. I also like Vince's voice. Brent's voice was good when it was mixed right.

Thanks alot. Just jammin out while enjoyin' the election results. The people who voted for the leader who is going to invite an international crisis, perhaps a terrorist attack on the United States that could MURDER our friends and family members, they need their head checked.

That's what they stated when they voted for that dipshit motherfucker socialist assface elitist moron. Being President of the U.

The piece of shit European and American attitude that genocide is okay and let's just mind our own business -- that's wrong. To allow such evil to exist in the world -- wrong.

Hey, let's allow Iran to nuke Israel because war to stop that would be wrong. People who don't see this are probably the very same shitheads who want to be taxed up the ass while they smile about being forced to give over more of their hard-earned money while receiving nothing in return. Take from those who bust their butt and give to those who do nothing?

Give them free healthcare?!??! Yes, that makes sense, I say sarcastically. Fuck off, Pete. Hi Freakypete, I don't know why you think your comments were deleted, they are all there. About your comments, I'm not a Bush supporter, Zoooma is, whatever, the election is over and McCain lost.

Btw, McCain also spoke of mistakes in Iraq and Afghanistan and I believe that if he had been elected his approach would not have been all that different from Obama's, but we will never know and it's a moot point. I'm glad you like this site and that you comment buy could you do me a favor?

Could you please turn off the caps lock? It looks like you are shouting and I don't dig that. You asked what Jerry would say, I have no idea what Jerry would say because I didn't know him personally, but I'm not sure if it's relevant anyway because Jerry was not Jesus. I don't recall him telling people who to vote for and I think it's kind of dumb to vote for someone because a musician said to, ya dig?

And shit, if it's KT Tunstall - Maybe Its A Good Thing (CDr) unwinnable war then what the fuck do you think the U. Lay down and take it up the ass by those piece of shit Muslim extremists who want to end out way of life?

Give up? Go away. And have a nice day :.

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