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General Comments Jul 24th 2011, 21:46 22 8,668 on 29/7/11

Latest Posts

Topic Author Posted On
His response seems rude and inappropriate, so don't take it too seriously. Some (few) folks are like that, but this kind of thing is pretty rare on CW, in my experience.

On the other hand, just giving your callsign in response to a CQ is pretty informal. It's common when you're trying to break through a pile-up to some rare DX station, but I'd say that the traditional hiscall DE yourcall K is more common - with the callsigns repeated once or twice.

This depends on operating conditions. If the bands are empty and you're responding to an S9 signal, you may not need the repeats. But a repeat is a courtesy for operators whose CW skills or whose noise or QRM situation might be worse than yours. I.e. you can't always expect the other guy to get your callsign on one try.

73 Martin AA6E
ATT UVERSE Interference WA2EXZ 2 weeks, 2 days ago
No recent experience here. (In CT, ATT has dumped its service onto Frontier FWIW.) But I had lots of problems like yours until I switched back to our cable service, Comcast. Comcast delivers up to 175 Mbs to us (and even more if you want to pay a big premium). There is zero interaction with ham operations. So if you've got a cable internet provider, that's probably the safest way to go.

73 Martin AA6E
Picking a Call sign Lucky56 1 month, 1 day ago
Some folks keep their assigned call sign, because they like it, they get to be known by it, or they just aren't interested in "gaming" the system for a desirable call.

These days, you are not restricted to a particular numerical call district, so you could just as well ask for K1KPT, K2KPT, etc. (I have kept my call sign -- not a vanity call -- even though I've moved from 6- to 1-land quite a while ago.) Sometimes, people are confused by a "6" call from Connecticut, but so it goes. Your assigned call sign will always have the number of your actual FCC district (i.e. 7) if that matters to you.

My advice (worth what it costs you) is to see what you get assigned and then decide if you want to go "vanity". For one thing, the calls available to you as a Tech may be restricted. (I'm not sure, but you may only get a "2x3" type call.) You might decide you want to upgrade to General or Extra and get access to the "premium" calls. But be aware that it will be a struggle to get one of the top tier calls - like 1x2 format - there's a lot of competition.

73 Martin AA6E
inverted v leroy271 on 27/4/16
As with other dipole-type antennas, if you're feeding them with coax, the "correct" thing to do is to use a balun to transform from the unbalanced coax cable to the balanced dipole. But many people will say that a balun is unnecessary. That's right in the sense that you will still get results that may be satisfactory for you. But without a balun, you're going to have currents flowing back to the shack on the outside of the coax shield. Those currents are actually part of the antenna radiating system and will distort your antenna's pattern in unpredictable ways. They will also cause "RF in the shack" problems, with increased RFI potential, noise pickup on receive, distortion on your audio, and (in extreme cases) making a shock hazard for the operator. Even with a balun, you can get some of these problems if the coax is not well enough isolated from the antenna -- by running it parallel and too close to the antenna, for example.

73 Martin AA6E
Question about "db" KC2TZC on 24/4/16
The decibel always relates to the logarithm of a ratio of two quantities. Usually, it is a ratio of two power values, such as dB gain for an amplifier [10 times log10(output power divided by input power)]. But it is possible to use dB for a ratio of anything (volts, dollars, weights, etc.) If it's something other than power (the usual situation in radio systems), the writer needs to specify that very clearly.

If you see a power level referred to by "dB", it is only correct when referred to a specific reference power. E.g., 0 dBm equals 1 milliWatt, +10 dBm is 10 milliWatts, and +20 dBm is 100 milliWatts. Sometimes, you see dBw, for power relative to 1 Watt, but mostly we use dBm.

Check for the hoary details.

73 Martin AA6E

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