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Messages - Sparks

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61
Sparks, where are you located? Is your BALUN a 4:1 or 1:1 type? You would use it to feed a dipole or Windom.. Do you have two support points high up to string a wire, only one? None? Trees?


Thanks to the three of you who have replied. Sorry for not responding until now! Life's unforeseen circumstances and family responsibilities forced me to leave the radio and the paraphernalia packed and stored with a friend in southern Norway, until further notice, so I haven't been able to look closely at the balun. I planned to use the set for portable QRP (CW only) on hiking trips in forests and mountains. I now consider selling the FT-817ND and instead acquire this radio:


http://radiopreppers.com/index.php/topic,1327.0.html  ( ELAD FDM-DUO Transceiver )

62
Radio Reviews, Questions and Comments. / ELAD FDM-DUO Transceiver
« on: August 13, 2017, 12:39:06 AM »
I cannot find this Italian radio mentioned anywhere in this forum. Anyone here familiar with it?


I am asking because Norway's major ham outlet runs a summer sale with a 25% discount on this one, and I am considering selling my unused Yaesu FT-817ND to acquire the ELAD FDM-DUO instead.


Some links concerning this radio, mostly reviews:
https://eclecticlight.co/2015/10/04/sdr-the-elad-fdm-duo-an-hf-transceiver-for-all/
http://www.hamradioscience.com/elad-fdm-duo-sdr-done-right/
http://www.rtl-sdr.com/hamradioscience-reviews-the-elad-fdm-duo/
http://www.eham.net/reviews/detail/11933  (Several reviews; mostly very favorable.)
https://www.hamradio.co.uk/amateur-radio-base-station-radio-elad-transceiver/elad/elad-fdm-duo-5w-multi-use-sdr-transceiver-pd-5447.php
http://sdr.eladit.com  — http://sdr.eladit.com/FDM-DUO/  (Manufacturer's site.)
http://shop.elad-usa.com/sdr-radio/  (U.S. shop.)
http://www.permo.no/index.php/item/654-elad-fdm-duo-tranceiver  (Where the summer sale is.)

63
General Discussion / Re: Backpacks
« on: June 11, 2017, 06:45:01 PM »
All my ham radio gear is into this 5.11 moab 6 backpack, leads, rig, antennas, batteries, solar pannel, chargers etc.

(My emphasis.) There is a large empty space after this sentence and before the two concluding ones, but I see absolutely no link(s) nor pictures or any other kind of illustration in between.

64
Morse Code / Re: Vibroplex Code Warrior Juniors CODEWARR-JR
« on: June 09, 2017, 11:20:54 AM »

Here is the link Vibroplex Code Warrior Juniors CODEWARR-JR


No link there, so here is the link to the manufacturer's site:


http://www.vibroplex.com/contents/en-us/d7_CODE_WARRIOR_iambic_paddle.html

66
General Discussion / Re: Anything interesting going on?
« on: May 12, 2017, 01:52:24 AM »

And loosing a week with the evacuation oder because of Oroville Dam has put me that much further behind.


Many facts here, hopefully all correct: https://en.wikipedia.org/wiki/Oroville_Dam


And this is Wikipedia at its best: https://en.wikipedia.org/wiki/Oroville_Dam_crisis


This topic interests me since many friends and relatives live downstream of huge dams in Scandinavia.

67
Technical Corner / Re: mcHF QRP transceiver
« on: April 18, 2017, 02:16:19 PM »
Update: "Complete kit v 0.6 is in stock" as of March 12, 2017: http://www.m0nka.co.uk/?p=5747

Check main page for "Complete Kit v 0.6 Assembly Error", etc.: http://www.m0nka.co.uk/

A local ham friend of mine just announced on Facebook that he will be building one, that's how I became aware of this kit.

68
New To Radio / Re: Why not a radio that has the general license defaults?
« on: December 09, 2016, 06:38:27 AM »
Also, the captchas on this site seem excessive.

I remember I thought so, too, when I was new here. However, I think they disappear when you have posted a few times, ten maybe?

69
Net Activity / Re: On the air..
« on: October 21, 2016, 07:38:44 PM »
The PRC-320 Yahoo group uses WhatsApp for impromptu skeds.. I don't like the privacy implications but it works.. I'll post something about it soon..

As a Mac user, I was recently warned about using WhatsApp (maybe more things are called WhatsApp, but here goes):

 http://www.macworld.com/article/3131018/security/the-cautionary-tale-of-whatsapp-slipping-on-strong-default-user-security.html

70
Digital Modes / Re: Ultra-Portable Digital Kits
« on: October 08, 2016, 01:53:44 PM »
I love when people reply without reading the articles or watching the videos.
The very first example is LINUX BASED!!! :D
I updated the image to show.
I totally agree with you Windows has no place in emergency communications. Android is an excellent lightweight, low current draw solution, when rooted with bloatware removed. Apple? Well everyone has an opinion :D
Thanks for the feedback

Sorry for not noticing this! (However, Linux is even more Greek to me than Windows and Android already are.)

The MiniProSC is Plug and Play on Android Linux and Windows systems.

71
Digital Modes / Re: Ultra-Portable Digital Kits
« on: October 07, 2016, 07:35:35 PM »
Quite interesting, except this operator is not and will not be into things Windows and/or Android.

I already own a Yaesu FT-817ND, and the day I see it configured with a MacBook Air, an iPad, or an iPhone, I will read closely.

72
Radio Reviews, Questions and Comments. / Re: The 'Old Standard' FT-817ND.
« on: September 17, 2016, 09:15:07 PM »
Thanks for this note about the Yaesu FT-817ND! I bought one over the counter at my (European) country's major ham outlet this summer, with a 10% discount because there was a special event for our capital's hams.

It's the first radio I have handled since I sailed the high seas as a Radio Officer (1963-73). In addition to my Merchant Marine First Class Radiotelegraph Operator's Certificate I also had a ham license, not used for more than 40 years. When I definitely retired from later occupations at age 70 I renewed my ham license (same C/S, the proper authorities never forget you). The Morse Code that was drilled into me at the tender age of 16-17 never left me, though, and I believe it will help me to stay mentally fit for service to start using my CW capabilities after these more than 40 years.

I have long since decided: CW only and QRP only. So for years I wished for an Elecraft KX3, and lately, KX2. However, I simply cannot afford any of them, yet. So when I had a chance at a new but affordably priced Yaesu FT-817ND, I grabbed it, to get started.

The vendor also sold me the LDG Z-817 Autotuner for FT-817 (a must, they told me). In addition, a balun which I so far don't understand how to use, and some other more or less useless (to me, so far) antenna stuff. So I am still not on the air!

I hope I may use this forum to ask for good advice. Essentially, I was exactly where Gil was this year when he lost his sailing vessel and all his radio equipment, so I have followed all the threads in that connection. The exception is, I finally acquired a QRP transceiver, and I need help to get it on the air.

73
Radio Reviews, Questions and Comments. / Re: KX2 First Impressions.
« on: July 22, 2016, 12:06:54 PM »
You can't switch from USB to LSB and vice-versa within the same band using the band button, WTH!?

Seems to be related to the problem(s) discussed in this public FB group (Ham Radio Outdoors):

https://www.facebook.com/groups/QRP4fun/permalink/1243964125648237/

74
Technical Corner / Re: Crystal set cat's whisker
« on: June 16, 2016, 12:33:23 AM »
It has been said that the reason "foxhole radios" came into being was that the Germans developed a way of detecting our receivers oscillators not the transmitters but the receivers.........didn't know that was possible.......so no radios with oscillator circuits were allowed......thus the foxhole radio

Wikipedia has this explanation: https://en.wikipedia.org/wiki/Foxhole_radio

There are links to these articles, one of them I referred to in my foregoing post:
Here is a DIY: https://survive-prepare.com/2012/12/28/survival-radios-diy-radio-1-the-foxhole-radio/

75
Technical Corner / Re: Crystal set cat's whisker
« on: June 16, 2016, 12:20:47 AM »
Another over 60 radio buddy and I have been discussing crystal sets and remembering our first one when we were kids etc........here is where the trolley leaves the rails..........he swears that a living cat's whisker can be used for the crystal sets whisker which is usually fine springy wire.......I told him that I didn't think a living cats whisker would conduct and he said that his father who was a double E told him that there was a nerve that ran down the center of the whisker that would conduct and that the two of them made a crystal set using a whisker from the neighbors cat........it was touchy to run but did work.........I find that hard to believe.......anyone else ever heard about using a living cats whisker on a crystal set?

I tried to do a little research. Seems that it was just a way of speaking about crystal receivers (and one of its components):

What is a Crystal Radio
• Crystal Radio Receiver

AKA “Crystal Set”, “Cat’s Whisker Receiver”, “Foxhole Radio”

Cat’s Whisker Detector

Step back in time with a galena detector kit and experience the soft detection that comes from minerals.

Delight in the first broadcast reception using the galena as a replacement for those 1N34 diodes

Wood base, mounted galena, phosphor-bronze cat whisker, 3- inch brass rod, compression spring, and brass parts.

So the cat whisker could made of "phosphor-bronze". A few links to corroborate that it was not an animal product:

The cat's whisker wire was generally of steel to allow more force to be applied to the carborundum.

http://www.worthpoint.com/worthopedia/cats-whisker-crystal-crystal-set-275317672

https://en.wikipedia.org/wiki/Cat%27s-whisker_detector

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