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Forum: Equipment March 18th 12, 06:23 AM
Replies: 0
Views: 502
Posted By Mike Andrews
Two R-390A and other HF RXs for sale, not very expensive at all

Greetings.

I'm getting rid of non-functional or partly-functional "project" stuff,
including two R-390A receivers, a RACAL 6217E, a DEBEG 2000, and an
ITT-MACKAY 3020.

Prices and image URLs...
Forum: Equipment March 9th 12, 06:08 PM
Replies: 7
Views: 634
Posted By Mike Andrews
Activity

David Quest wrote in :

Is this group still active?

From time to time.

The last 30 days, including today so...
Forum: Boatanchors February 28th 12, 08:28 PM
Replies: 1
Views: 1,180
Posted By Mike Andrews
Charlotte conference pre-registration

Ron in Radio Heaven wrote in :

The Charlotte conference is just 22 days away,
if you haven't sent in...
Forum: Equipment February 22nd 12, 07:14 PM
Replies: 4
Views: 1,340
Posted By Mike Andrews
FA KENRICH LINEAR AMP

KC8QJP wrote in :

Lickin' Ass and Takin'Sperm wrote in
:

...
Forum: Homebrew June 30th 08, 09:40 PM
Replies: 2
Views: 478
Posted By Mike Andrews
Hams take note: qth.net/qsl.net: is it just me?

Is anyone else having trouble seeing, or getting mail to, any of the
lists based at qsl.net or qth.net? They appear to have fallen off the
edge of the 'Net, and DNS for both domains is failing...
Forum: Homebrew February 7th 08, 05:55 PM
Replies: 2
Views: 1,310
Posted By Mike Andrews
Looking for ICOM F/O cable P/N's: OPC-172, OPC-172A or OPC-189

On Thu, 07 Feb 2008 04:02:06 GMT,
Gary Waldeck wrote in
:

Hello all -

I am looking for a replacement fiber optic cable...
Forum: Homebrew January 29th 08, 05:25 PM
Replies: 0
Views: 512
Posted By Mike Andrews
Mercer Electronics Tuning and Level Indicators, &c.

I came into a large hatful of indicators made by Mercer Electronics, a
division of Simpson Electric.

These are small (under 2" overall width, mount in a 1.425 x 0.8 "
rectangular hole, and have a...
Forum: Homebrew January 28th 08, 04:41 PM
Replies: 20
Views: 1,973
Posted By Mike Andrews
Are switch-mode powers supplies suitable for receivers?

On Mon, 28 Jan 2008 11:27:20 -0000,
Richard wrote in
:

I have an ex AM PMR radio that I wish to use on 144Mhz. I need a PSU...
Forum: Homebrew December 21st 07, 08:22 PM
Replies: 2
Views: 1,312
Posted By Mike Andrews
VHF/UHF (and above) to HF Downconverter pointers/ideas?

I've got an RFSpace, Inc. SDR-IQ Software Defined Radio, which is a
truly nifty gadget, but it stops at 30 MHz. I'd like to put together a
downconverter that I can drive with a DDS LO or my HP 8640B,...
Forum: Boatanchors July 11th 07, 08:59 PM
Replies: 1
Views: 493
Posted By Mike Andrews
Boatanchor and sparky and interesting key

Can anyone ID the key for me? It's on the right side of the image,
more easily visible in the full-size shot.

How about the set? Is it commercial, homebrew, or a...
Forum: Homebrew July 3rd 07, 06:38 PM
Replies: 1
Views: 441
Posted By Mike Andrews
NASA Extends Bioastronautics Contract with Wyle Labs

On Tue, 03 Jul 2007 10:16:15 -0700,
wrote in
:

'NASA has exercised a $294 million option to extend a contract...
Forum: Moderated June 19th 07, 04:06 AM
Replies: 28
Views: 2,206
Posted By Mike Andrews
Field Day?

On Mon, 18 Jun 2007 22:50:50 EDT, wrote in :
Folks,

What are people doing for Field Day this year?

Staying home. The local...
Forum: Moderated June 16th 07, 06:20 PM
Replies: 38
Views: 3,394
Posted By Mike Andrews
A plea for civility

On Sat, 16 Jun 2007 10:37:38 EDT, wrote in :

I don't think we'll lose HF spectrum. VHF/UHF is what the commercial
and military...
Forum: Homebrew June 2nd 07, 12:02 AM
Replies: 10
Views: 2,953
Posted By Mike Andrews
DDS VFO

On Fri, 01 Jun 2007 23:33:25 +0100, Highland Ham wrote in :
wrote:
Where can I buy a ready built...
Forum: Moderated May 18th 07, 03:24 PM
Replies: 10
Views: 1,426
Posted By Mike Andrews
i need recommendations

On Fri, 18 May 2007 09:42:30 EDT, "Rick (W-A-one-R-K-T)" wrote in :

As for power supplies, you should consider a 12-volt...
Forum: Boatanchors May 16th 07, 04:07 PM
Replies: 2
Views: 515
Posted By Mike Andrews
testing 8163/4-300Z

On Wed, 16 May 2007 15:00:22 GMT, Paul P wrote in [email protected]:
How can I bench test the 8163? At least can some one direct me to a filament...
Forum: Boatanchors May 10th 07, 02:00 AM
Replies: 8
Views: 1,582
Posted By Mike Andrews
F.S. Film Strip Scale for Racal RA.17

On 9 May 2007 20:25:12 -0400, Scott Dorsey wrote in :

70mm Type I is still very popular for aerial photography. I don't know how
much longer...
Forum: Moderated May 8th 07, 04:11 PM
Replies: 15
Views: 1,461
Posted By Mike Andrews
Professional HF Work?

On Tue, 8 May 2007 03:15:51 EDT, BNB Sound wrote in :
I've been an amateur operator for a little over a year now and one...
Forum: Moderated April 27th 07, 09:53 PM
Replies: 4
Views: 526
Posted By Mike Andrews
Antenna modeling software

On Fri, 27 Apr 2007 15:51:42 EDT, wrote in :
I've been 'googling' for a MININEC-based antenna modeling program (or
...
Forum: Moderated April 9th 07, 03:26 PM
Replies: 1
Views: 716
Posted By Mike Andrews
Pointers to (or on) block downconverter construction?

I've got, and love, an RFSpace Inc. SDR-IQ software-defined receiver.
It covers 100 Hz to 30 MHz, and lets me eyeball any 190 KHz (or
narrower) chunk all at once, which is rather particularly nice....
Forum: Homebrew April 9th 07, 02:54 PM
Replies: 2
Views: 714
Posted By Mike Andrews
Pointers to (or on) block downconverter construction?

I've got, and love, an RFSpace Inc. SDR-IQ software-defined receiver.
It covers 100 Hz to 30 MHz, and lets me eyeball any 190 KHz (or
narrower) chunk all at once, which is rather particularly nice....
Forum: Boatanchors April 3rd 07, 05:55 PM
Replies: 8
Views: 750
Posted By Mike Andrews
FT243 Crystal Sockets?

On 3 Apr 2007 16:36:04 GMT, Michael Black wrote in :
"Theo" ) writes:
Thanks Scott, but who are ICM?
Not...
Forum: Boatanchors April 3rd 07, 03:41 PM
Replies: 8
Views: 750
Posted By Mike Andrews
FT243 Crystal Sockets?

On 3 Apr 2007 10:13:41 -0400, Scott Dorsey wrote in :
Theo wrote:
Can anyone suggest where I could obtain a couple...
Forum: Boatanchors March 28th 07, 08:03 PM
Replies: 6
Views: 1,045
Posted By Mike Andrews
removal of older hro tuning dial/knob

On Wed, 28 Mar 2007 14:51:44 -0400, Dave wrote in :

L Ron Hubbub wrote:

"ablebravo" wrote in message...
Forum: Moderated March 18th 07, 09:41 PM
Replies: 19
Views: 1,606
Posted By Mike Andrews
Upgrade to Extra using 2001 License Manual?

On Sun, 18 Mar 2007 13:24:36 CST, Rick wrote in :

Is the 2001 ARRL Extra Class License Manual still sufficient for taking
and...
Showing results 1 to 25 of 76

 
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