Perhaps these could be translated into Spanish! David KG4ZLB
Eric Knaps, ON4HF wrote: > Hello all, > I found these nice rules from VK3JED: > > 1. First and foremost is to listen before and while (if possible) > transmitting, to ensure your transmissions don't drown out a weaker > station who may be on the edge of a pass or running QRP. Satellites > should be an alligator free zone. It is strongly recommended that you > set your station up so you can monitor the downlink while > transmitting, so you can hear how well you are accessing the satellite > and whether you accidentally clobbered someone else. Similarly, if you > can't hear the transponder, don't transmit. Do something else more > productive, such as realign your receiving antenna to improve > reception. > 2. Be brief. Because the traffic levels can be quite high, contest style > (callsign/signal report/next station) operation is the most > appropriate for most situations. Many stations also exchange QTH and > first names, which is OK if time permits. If transponder activity is > low, you can have a brief chat, but the opportunities for this are > becoming rare now. > 3. Take turns. If you've just worked a handful of stations, be polite and > hand the transponder over to someone else so they can work a few. > There may be an opportunity to call back in later during the pass and > work some different stations as the satellite passes over different > areas, and others will appreciate your courtesy. > 4. When calling, a simple announcement (e.g. "This is VK3JED listening > SUNSAT" or even "VK3JED listening") will suffice, like it does on a > terrestrial repeater. Anyone within transponder range will hear your > call. A short CQ call ("CQ SUNSAT, this is VK3JED") is OK too. Long CQ > calls waste transponder time and frustrate everyone listening. Save > the long CQs for HF, where they're appropriate. Only call CQ when > there's a distinct lack of activity, such as at the very start of a > pass and sometimes late in the pass after everyone else has finished. > A well placed CQ call late in a pass might alert someone ahead of the > satellite that a pass has just commenced over their QTH. > 5. Wait your turn. If a QSO is in progress, wait until it finishes before > putting in your call. Butting in too soon is rude and wastes precious > transponder time as the stations involved in the QSO have to repeat > themselves due to your QRM. > 6. Don't tune up! Believe it or not, there are stations who test their > satellite access by dropping a carrier over the top of everyone and > perhaps announcing "Hello hello". Simply putting out a call at the > appropriate time will provide all the signal checks you need (and get > you a worthwhile contact! :) ), without annoying everyone else on the > transponder. If you're really that doubtful about your equipment, > perhaps connect your dummy load, test in the shack and try again > another day, rather than disrupting everyone else. If you just want to > hear your voice, well a tape recorder or a pair of walkie talkies will > do just as well... > 7. Reward good operation. If you're answering a call, why not reward the > good operators and put the alligators last on your list of priorities. > If all satellite users favour good operators, perhaps everyone will > learn that good ops have the highest QSO rates and earn the most > satellite awards. :-) Peer pressure is a powerful motivating force, as > any teenager will know (but probably not admit to! :-) ). > 8. Use the minimum power necessary. While power levels are not critical > on FM satellites (unlike linear transponders where an excessively > strong signal can affect other QSOs on the transponder), using the > minimum power necessary allows you to easier tell if you're 'doubling' > with someone else. For the South African SUNSAT satellite, you > shouldn't need more than 5 watts into a basic (1/2 wave handheld or > turnstile) antenna, perhaps a bit more if the antenna is setup for > terrestrial operation, to overcome radiation pattern limitations. As > an example of good operation, recently one station who had multiple > beams wound his power back to 20 mW. The signal into the bird was full > quieting, but it was still possible to tell if someone else was > underneath his signal. If he had run 100W, he couldn't have known if > he'd stepped on anyone else, due to the capture effect of FM. > > If everyone follows these simple guidelines (which are basically common > sense and courtesy), then FM satellite operation can be enjoyable for > everyone, regardless of whether you run a sophisticated satellite station > or a couple of handhelds from the back yard. FM satellite transponders are > like FM repeaters, only more extreme. On the positive side, they can enable > minimally equipped stations thousands of kilometres apart to communicate > with ease. On the other hand, the worst aspects of repeaters can be > experienced as well, such as congestion, doubling and even the odd idiot > dropping carriers! (I don't know how the idiots manage to always have a > very strong signal, even when the repeater is 800 km off the ground!). The > operators themselves (that's YOU!) have the power to determine what sort of > experience FM satellite operation will be in the future. > > 73, > ON4HF. > > Eric Knaps > Waterstraat 30 > B-3980 Tessenderlo > Belgium > > Tel. +32472985876 (mobile) > > http://www.on4hf.be > > > > Gary Lockhart schreef: > > _______________________________________________ > Sent via amsat...@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb