The topic for January 30th's Tech Net was Echolink. Questions regarding Echolink were invited.
ke5okt - Jim - has had an echolink node set up for about one year. He offered his advise to anyone who might have a question.
wa5psa - Brad- checked in and mentioned his interest in QRP contacts.
ke5ysh - Justin - regarding LK500 amplifiers, asked if anyone had any experience and advise on new tube burn-ins.
ke5wga - Ray - Remarked that he found Echolink nodes very useful while driving a truck in communicating between the Preston and Durant nodes.
kd5njr - Scott - had two questions
1. Does ke5okt, Jim, know of any good conference servers? ke5okt, Jim's answer was that he did not have an occasion to use conference servers.
2. Addressed to wa5psa, Brad, regarding QRP contacts, is that with code and what kind of antenna do you use. wa5psa, Brad answered that he uses an 80 meter dipole running through his attic, with each end running through a peak at the side of the house and then down to fences on each side of the house. He added that he usually runs 5 watts using CW.
ke5ehm - Paul - checked in
kd5cny - Tom - checked in and said he may have more later.
ke5lnn - Dave - checked in
k16und - James - checked in, visiting Tahlequah from San Diego.
w5ggw - Greg - checked in and advised that he was going to try to link up the 147.045 machine, and advised that it had been successfully linked.
ke5iig - Mike - checked in
kd5cny - Tom - asked "Can a switch box be built for two different microphones to be connected on the same radio? Has anyone done that?"
Another ham - said he didn't see why not, that it would be the reverse of one mike for two radios, but that worked with only compatible radios.
ae5ft - Gene - mentioned that he believed he had seen a QST article regarding the building of such a box.
ke5ncp - Tom - checked in.
ke5urg - Steve - checked in.
k5bbm - Brian - checked in and said he had tuned into 147.045 and heard the net. (confirming the linking of the VHF repeater to the UHF system.)
kf5rd - Pete - referenced a September 1988 QST article, page 18 that addresses building a switch-box for two microphones going to the same radio.
ki6und - James - said that one can be found at "tinyurl.com/coxde5", made from an old style computer switch.
wa5psa - mentioned that all QST articles are now available on-lin. He also said he found one made by MFJ model# 1262 at Ne Communications Solutions for $300, nscradio.com.
w5ggw - Greg - added that you should be able to us a 25 pin parallel switch, and that it's just a matter of figuring out the wiring. One PTT wire, two audio wires, and whatever else there is.
ki6und - James - said that what Greg mentioned is like the one he found at "tinyurl.com". He added that the cost was $90, but that you could buy the parallel switch by itself for $7, and then it's just a matter of matching what goes to what.
No other traffic or check-ins past this point.
If you notice corrections or additions that need to be made to this, feel free to leave that info as a comment below.
Don
ke5omv
4 comments:
I like the net and had some good topics.
ke5okt - Jim - has had an echolink node set up for about one year. He offered his advise to anyone who might have a question.
SCOTT: Thanks Jim. Did you mention that you had it tied into a repeater ? When you get a suitable radio running again ( I think you mentioned a problem with one) I'd like to experiment with it a bit.
wa5psa - Brad- checked in and mentioned his interest in QRP contacts.
SCOTT: I want to look into these HF Packer people. I'd like to do some experimentation with small wire antennas this summer.
w5ggw - Greg - checked in and advised that he was going to try to link up the 147.045 machine, and advised that it had been successfully linked.
SCOTT: Greg, on these linked repeater systems, what are the rules for which frequencies carry the "back haul" traffic from one remote to another ? What frequencies are supposed to be used for control ? I think there had been some debate on this in the past and that 220 MHz or higher is to be used. Just checking. Thinking about attaching an Echolink station into a BA repeater. Thinking of a reliable way to send the audio and stil be able to control it.
w5ggw - Greg - added that you should be able to us a 25 pin parallel switch, and that it's just a matter of figuring out the wiring. One PTT wire, two audio wires, and whatever else there is.
That is a great idea. There is a lot of that old stuff (printer switches and other multiple pole rotary switches at Affiliated Electronics. That is a great place to browse around.
73
KD5NJR
Scott
Hello and thanks for running the net!
To clarify one thing that I'm not sure was understood, TinyUrl.com is a site that allows URL redirection. You take a long web address and paste it in their site, and it returns a very short address to use instead.
This is very handy when trying to tell someone a webpage to visit I.E. over radio where long urls are cumbersome and highly likely to be misheard.
The actual link I gave to the switch box was on a great website called Monoprice.com. I highly recommend them for any sorts of computer, audio or video cabling. Their prices are rock bottom and they have great customer support. Very recommended!
73s, James
By the way, I just now noticed the graphic and what it represented above this blog post.
I love the two mics into the A B switch box! Thanks for that; I got a great giggle out of it!
-James
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