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Messages - swxx

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16
Tactical Corner / Re: Nuclear War Survival How To Survive a Nuclear War
« on: August 31, 2017, 10:37:34 AM »
I guess you're right. It will still depend on what part of the world you are in. There are places that are tight nit and remote, places where communities are strong. Then there are places at the opposite extreme where when SHTF most will die and a few will survive and they likely won't be the nice ones. Even disasters like Katrina, we saw what looked like elephants but on closer inspection were people, dangling from helicopters, too big to get inside. Dying within hours due to sugar withdrawal no coca cola and no hamburgers.

If the half lives of radiation which are much quicker than nuclear power station disasters are survived and not all the nukes go off then there will be areas where people will presumably survive. Maybe in some of those areas the people who were at the bottom of the heap will no longer be at the bottom, others high up will fall much lower.

For me, if I am in an area of survival, communications will be important as I'd like to know how the rest of the world is faring and my distant friends and loved ones, since they are scattered around the world. Part of staying alive and having something to live for will be that knowledge, so I think it would rank fairly high after air, water and food, it probably comes next.

In summary, I used to think this is not survivable. But now I'm thinking it is. And if it is, I'd like to be a little prepared, which I'm certainly not as yet!

19
Another thought: the fact that Clinton and the crazy neo cons think that a nuclear war is survivable and to their benefit and they now also own Trump, doesn't that make it all the more likely? They are in power not us. If they are planning for nuclear war and it is therefore more likely, so should we be. Even Putin has said that unfortunately nuclear war is not a question of it but when, given the current trends, if I understood him correctly. SO?! Bad!

20
Tactical Corner / Re: Nuclear War Survival How To Survive a Nuclear War
« on: August 30, 2017, 10:36:06 PM »
A thought: for some of us will TEOTWAWKI really be so bad as we all think? Have we much further to fall? On the other hand, if we DO still have communications and information from a few thousand km in all directions, and able to keep up those links on an ongoing basis, we'd be a lot better off than most and have something worth a huge amount of VALUE since thankfully money will all be gone and worthless, INFORMATION will be power.

21
Net Activity / Re: Global Radio Relay Network
« on: August 30, 2017, 10:10:09 PM »

I'd say that members should have the ability to operate on batteries and charge them without grid power, as a condition for joining.

Gil.
That makes great sense, rules me out for now but gives us additional incentive to get ready.

22
Morse Code / Re: That's a paddlin...
« on: August 30, 2017, 10:07:45 PM »
Yes some suggestions:

Keep in mind that a paddle needs the keyer and unless that is built into your QRP rig with long term battery or alt power source, it won't be much good having the paddles post TEOTWAWKI. So, if you are going to have a paddle, I'd make sure you have at least a cootie (side swiper) or a bug.

Now believe me, after a life time of CW on paddles, I can say that bugs are great, and side swipers are awesome! Amazing is that a side swiper can be put together out of a knife, nail file, hacksaw blade, etc, and with simple construction work perfectly unlike most other keys that need good engineering.

It takes a few weeks of practice to get used to the different art of keying but do look for video instructions on this, as if you follow the advice to start with numerals before letters, and some other tips, you will get it in no time! That is really a skill to have for post TEOTWAWKI as well as indestructable cootie.

As to paddle, I use the tiny K9LU Bulldog ($30 kit) and the external keyer with so many features is the ultrapico keyer. Both can be found in search. Both are extremely portable but can be stuck to your desk if you want using supplied chewing gum.

23
Technical Corner / Re: New QRP Labs 5W CW Transceiver Kit.
« on: August 30, 2017, 09:59:27 PM »
I think backlight is as much as 35mA. There is this suggestion too aside from switch:

Quote
Modern LEDs as used in today's LCD displays will provide fairly bright
illumination at currents of 3 to 10 ma.  Try using a larger resistance
value in series with the backlight LED.  Usually 1K in series with a 5V
or 2.2K with 12 volt source is adequate for both day and night viewing.
Experiment to see what is best for your particular situation.

Also this can be made dual band (not instant switch over, but still...) without too much trouble, here regarding 20/30m:

Quote
You won't be able to use the band pass filter T1 on either band. It is single band because it is quite sharp (see spectrum analyser traces in the manual). You could probably find a number of turns for the tuned winding of T1, which allowed the trimmer capacitor to tune for either 20m or 30m. Measured tuning ranges are also published in the manual. BUT, it would mean that when you want to change band, you would need to re-peak the BPF each time using the self-alignment menu item "8.7 Peak BPF".

You could build the LPF for 20m and operate 30m into it but you may not achieve adequate harmonic suppression on 30m band.

The Class-E resonant circuit is quite broad and you could find a compromise-value, it would probably result in a little loss of efficiency and power, but may be acceptable.

24
Net Activity / Re: Global Radio Relay Network
« on: August 30, 2017, 10:13:04 AM »
Should the data base map not show which stations are available on battery power up to a few days, for months (alternative recharge sources) as I suspect that will then show there is very little (or a lot less) capability and many skeds/nets may totally break? Also this will need to be printable as it won't be much good if computers are off, net is down.

25
Net Activity / Re: Global Radio Relay Network
« on: August 30, 2017, 10:08:46 AM »
+1 RETRO NET

Calling CQ RN on CW will do too :-)

26
Net Activity / Re: Global Radio Relay Network
« on: August 30, 2017, 04:23:03 AM »
WARRIOR: World Amateur Radio Relay International Organic Routing
CWW: CW Web

27
Agree that Killary was a greater danger by far, and that those were early days in January. But Trump has capitulated, been won over, debts wiped out, whatever, he is now owned too, though appears to be more sane. It may not make me friends saying so. But overall therefore, I think it is quite accurate, as it is not about individuals, but about, it would appear, a system that is a pathocracy: https://pathocracy.wordpress.com/definition/

28
Exactly Gil. That's a very worthwhile effort. Meanwhile I have updated the original post to include LNR LD5 and LD11. Amazing radios. But I guess there is no magic to get below 350mA RX and 1.5A TX. The price reflects of course, those on a normal income can manage this eventually but not those on QRP!

29
Tactical Corner / Nuclear War Survival How To Survive a Nuclear War
« on: August 29, 2017, 11:18:01 AM »
Interesting:

Nuclear war is much more survivable than you probably realise.
Nuclear war is much more likely than you probably realise.
Nuclear war can escalate much faster than you probably realise.

https://www.survival.org.au/nuclear-war-survival.php

30
Tactical Corner / Preparing for an EMP (Electromagnetic Pulse)
« on: August 29, 2017, 11:16:39 AM »
Very comprehensive with lots of information:

https://www.survival.org.au/emp.php

Includes How to Protect Against EMP

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