[ML-Hams] Latest Donation

[Bruce Campbell]

The power supply seamed to work. I didn't put a scope on in to see how
clean it is but it should be fine.

Bruce
KG4HLZ

On Sun, Oct 9, 2016 at 8:04 AM, Lisa Shier via hams <
hams at lists.makerslocal.org> wrote:

> I agree that if the goal is just to get on the air, a modern radio is
> going to be the smoothest path to that goal.  I'd be willing to chip into
> the pot to get one.
>
> Do we know if that old power supply works?  It should, that tech hasn't
> changed in a long time.
>
> Lisa
>
>
> ------------------------------
> *From:* Bruce Campbell <phillybruce at gmail.com>
> *To:* amateur radio discussion <hams at lists.makerslocal.org>
> *Sent:* Saturday, October 8, 2016 9:39 PM
> *Subject:* Re: [ML-Hams] Latest Donation
>
> There are some dirt cheep duel band radios entering onto the market from
> Chinese manufacturers. Why not just take up a collection and buy one. Even
> if we get these old radios to work, they will be a pain to use on a regular
> bases. We can use them for projects.
>
>
>
> On Sat, Oct 8, 2016 at 9:26 PM, Bruce Campbell <phillybruce at gmail.com>
> wrote:
>
> I briefly went by to look at then tonight (Saturday). It looked like
> someone had already tried to get them working. The TM-2520A didn't have any
> audio as I assume someone had already determined.. I found out that tone
> squelch was set and I think I turned it off. Still no audio though. One of
> them had been opened up. I didn't mess with it.
> I will get my dummy load and power meter and head over tomorrow. I I will
> get the manuals from the web and (if I can find someone to let me in) see
> if I can get a squeak out of something.
>
> On Sun, Oct 2, 2016 at 9:42 AM, Bruce Campbell <phillybruce at gmail.com>
> wrote:
>
> Leaving on vacation is unfortunate!? Enjoy your time off.
>
> Who else can I work with while you are gone? If I could get in I could set
> it up but it would better for the group if we did it together.
>
> Bruce
> KG4HLZ
>
> On Sun, Oct 2, 2016 at 9:09 AM, Jeff Cotten <omegix at gmail.com> wrote:
>
>
> I think so!  I'll try to look for it next time I'm over there :)
>
> I'm unfortunately leaving next week for a 2 week vacation, so it will be a
> hot minute before I can interact with the equipment again :)
>
> On Sat, Oct 1, 2016 at 8:33 PM, Bruce Campbell <phillybruce at gmail.com>
> wrote:
>
> Jeff,
>
> Have you seen anything that looks like this around the shack?
> http://www.geocities.jp/tnc_ga llery/mfj70b_1.jpg
> <http://www.geocities.jp/tnc_gallery/mfj70b_1.jpg>
>
> On Sat, Oct 1, 2016 at 8:23 PM, Bruce Campbell <phillybruce at gmail.com>
> wrote:
>
> There was an AX-25 TNC around there at one time. You would have all that
> you need for a packet station.
>
> On Sat, Oct 1, 2016 at 8:05 PM, Kris Kirby <kris at catonic.us> wrote:
>
> On Sat, 1 Oct 2016, Bruce Campbell wrote:
> > do you know there history?
>
> WA4DXP-1 was HSVN on 145.01, WA4DXP-5 was HSVN on 145.65, both Alinco
> DR-1200s; I believe WA4DXP-6 was 433.8 MHz using an RCA radio. Or
> WA4DXP-6 was 145.65, and WA4DXP-5 was something else...
>
> K4IQU (Dave Light) was the callsign of 146.94/34 before it had the N4HSV
> callsign on it. The BBS (K4BFT/K4BFT-1) had the club call as well.
>
> 144.97, 145.01, 145.05, and 145.09 were all used for 1200 bps AX.25
> packet radio, along with 145.65. 147.565 was used for 9600 bps packet.
> 433.8 was 2400 bps. The maximum common rate that fits in a voice channel
> without 'tricks' was 2400 bps. Motorola liked 3,600 Hz using MSK for
> trunking. 9600 bps required access to the modulator and discriminator
> because 9.6KHz was outside of the audio system's 300 - 4 KHz bandwidth.
>
> 1200 bps was the shipping data rate of the TAPR TNC2; 2400 bps and 9600
> bps required modems be installed on a 20-pin connector in the TNC2. MFJ
> must have sold 10,000 of those TNC2 clones.
>
> I refer to AX.25 1200-9600 bps as "802.11 dot slow."
>
> But then again, I still have my KPC-9612.
>
> --
> Kris Kirby, KE4AHR
> Disinformation Architect, Systems Mangler, & Network Mismanager
>
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