HDTenEightyP/NetNews huggingface dataset:
From: Ken_Bell@mindlink.bc.ca (Ken Bell)
Newsgroups: rec.radio.shortwave
Subject: JRC 525
Date: 8 Apr 92 16:36:43 GMT
Organization: MIND LINK! - British Columbia, Canada
Distribution: world

In a letter to Ken_Bell@mindlink.bc.ca, on Apr. 6, 1992, Robert S. Parnass
writes:

>While tuning across a cw signal, my NRD 525 makes the signal
>sound somewhat distorted until I stop rotating the tuning
>knob (I'm using the fine tuning step).
>Does your 525 behave this way?

Now that you mention it, yes.  To set some parameters, my 525 is fitted with a
1 khz narrow filter.  If Im just scanning utility bands, Im typically in USB
with the intermediate filter selected.  In this mode, distortion is minimal
when I come across a CW signal.  When chasing CW, however, I set the 525 to CW,
the filter to narrow and the BFO to the 11 oclock position.  Audio is poor
while tuning across the signal.  However, it stabilizes as soon as I stop.  Im
using the Universal M-1000 as a decoder, and am relatively pleased with it,
although the software leaves a lot to be desired.  By the way, have you picked
up the Argentina press service which is back transmitting news pictures on
(approx) 9241.5 mhz?  Here in Vancouver there's a narrow opening between 23:30
and 00:30 UTC.  Mode is 288, 60, reverse scan and negative.  On Saturday
afternoons there's usually some good sports photos.

Anyone out there have any information on the Dymek passive audio filter
(Fogcutter)?

Thanks in advance.
From: mcleman@asia.enet.dec.com
Newsgroups: rec.radio.shortwave
Subject: Re: Filters for the Kenwood R5000
Date: 8 Apr 92 16:51:58 GMT
Reply-To: mcleman@asia.enet.dec.com ()
Organization: Digital Equipment Corporation

You might try International Radio. The Fox Tango filters come in
various bandwidths.

( I opted for the Kenwwod ones in mine, since I found a couple on
  consignment.)

Jeff



--
--------------------------------------------------------------------------
Jeff McLeman, N1IPN	   email:  mcleman@asia.enet.dec.com                 
			   UUCP: ...decwrl!asia.enet.dec.com!mcleman
                           packet: n1ipn @ wa1phy.ma.usa.na

 Views expressed here are mine, exclusively. They are not in any way
 connected to my employer.

--------------------------------------------------------------------------
From: chuckb@tc.fluke.COM (Chuck Bowden)
Newsgroups: rec.radio.shortwave
Subject: Re: Battery-powered radio
Date: 14 Apr 92 15:38:55 GMT
Organization: John Fluke Mfg. Co., Inc., Everett, WA

In article <9204121830.AA23473@cdp.igc.org> Bruce Tindall <btindall@IGC.ORG> writes:
>My nephew is joining the Peace Corps.  I would like to give him a
>shortwave radio for use wherever he's going.  One that operates on
>batteries, that doesn't drain the batteries too fast, would be
>nice.  I remember the old ICF-2001, which would eat batteries faster
>than the Cookie Monster on Sesame Street.  I have a DX-440, and like it
>a lot, but I always run it off the wall socket, so I don't know how bad
>it is with batteries.  Anybody have any advice about the DX-440 or
>similar-level radios' experience with batteries?  Thanks.
>Please respond to the list/newsgroup or to sasbmt@unx.sas.com,
>rather than the address in the header.  Thanks.
>Bruce Tindall N4JIU

I have friends who served in the Peace Corps in Sierra Leone. I asked them
if they listened to the VOA, BBC, or other sw stations. They said that one
of the rules in the Peace Corps is that you are forbidden to bring a 
shortwave radio with you.

You better check to see if they still have this restriction.

-- 
Chuck Bowden / WB7R / chuckb@tc.fluke.com / (206) 356-6228
From: caf@omen.UUCP (Chuck Forsberg WA7KGX)
Newsgroups: rec.radio.shortwave
Subject: Re: Battery-powered radio
Keywords: Peace Corps, Africa
Date: 16 Apr 92 10:28:35 GMT
Article-I.D.: omen.1992Apr16.102835.8837
Organization: Omen Technology INC, Portland Rain Forest

Back to the original question of battery life for shortwave portables...

I have heard of shortwave crystal set designs.  Obviously high-Q is
a must if one doesn't wish to reveive all satations at once.

Rechargeable batteries and a solar collector might be useful.

A regenerative circuit driving a sensitive headphone could have very
low current draw.

Next to that would be the simpler analog radios assuming they are
carefully designed for low current draw.  Radios that run on
a pair of AAA batteries will run forever on D cells, or possibly
car batteries if the voltage is right.

I am assuming that if you require battery operation, you will have
room for a reasonable aerial and not too much concern about overload
from local stations.  It may be possible to lower the current draw
on discrete transistor analog radios if dynamic range is not a problem.

-- 
Chuck Forsberg WA7KGX          ...!tektronix!reed!omen!caf 
Author of YMODEM, ZMODEM, Professional-YAM, ZCOMM, and DSZ
  Omen Technology Inc    "The High Reliability Software"
17505-V NW Sauvie IS RD   Portland OR 97231   503-621-3406
From: michaeln@hpcvnb.CV.HP.COM (Mike_Nason)
Date: Tue, 7 Apr 92 01:05:26 PDT
Subject: Re: Bandpass filters?
Organization: Hewlett-Packard Co., Corvallis, Oregon
Newsgroups: rec.radio.shortwave

well let me see. this is just a educated guess but you could try
putting a 75 ohm tv splitter in line and use 75 ohm coax to both sets.
it should give you some isolation between the two radios so they don't 
interfere with each other. also, most am/fm sets have a trimmer capacitor
that you adjust on the am side to match the antenna. you might try 
tweeking that.   the last time i just tee'd off for two radios i didn't
have any problem so i can't guarentee this from experience. 73's mike ka7hbb
From: david@dragon.Greco-Prog.FR (David SHERMAN)
Newsgroups: rec.radio.shortwave
Subject: Re: Battery-powered radio
Keywords: Peace Corps, Africa
Date: 15 Apr 92 09:16:14 GMT
Organization: Laboratoire Bordelais de Recherche en Informatique

In article <1992Apr14.153855.5088@tc.fluke.COM>, chuckb@tc.fluke.COM 
  (Chuck Bowden) writes:
|>
|> I have friends who served in the Peace Corps in Sierra Leone. I asked them
|> if they listened to the VOA, BBC, or other sw stations. They said that one
|> of the rules in the Peace Corps is that you are forbidden to bring a 
|> shortwave radio with you.

A friend of mine was in the Peace Corps in Mali from 1988-1990, and
she most certainly used a shortwave radio she brought from the USA.
If I recall it was a little Radio Shack receiver, I don't know the model
(maybe 20cm x 10cm x 4cm, ran on AA cells).  It could easily pick up all 
sorts of broadcasts, including the local Radio Mali, BBC World Service, 
French and German broadcasts.  The European broadcasts might have been
retransmitted, but at any rate they came in clear.

Um, do I need to say that Mali is in West Africa, a bit north of Sierra Leone?

-- 

djs                        David J. Sherman      (david@geocub.greco-prog.fr)
			   Laboratoire Bordelais de Recherche en Informatique

                  De l'incertitude profonde des desseins nai^t une e'tonnante 
                  liberte' de manoeuvre.        --Anouilh, /Becket/, Acte III
From: LANG%UNB.CA@UNBMVS1.csd.unb.ca (Richard Langley)
Newsgroups: rec.radio.shortwave
Subject: Croatian Radio on 21480 kHz
Date: 6 Apr 1992 09:00:14 -0500
Organization: CS Dept, University of Texas at Austin
NNTP-Posting-Host: cs.utexas.edu

Croatian Radio, Studio Zagreb, was noted at 11:59 UTC on a new frequency
of 21480 kHz.  A summary of news in English was given from 12:03 to
12:07 UTC and ended with an annoucement that a full bulletin of news in
English would be given at 11 p.m. (21:00 UTC?).  The 21480 kHz frequency
was used to at least 14:00, but the station couldn't be heard when
checked at 17:05.  Croatian Radio was also noted at 02:35 UTC on 9830
kHz in parallel with 7240 kHz.

==============================================================================
 Richard B. Langley                        Internet: LANG@UNB.CA or SE@UNB.CA
 Geodetic Research Laboratory              BITnet:   LANG@UNB or SE@UNB
 Dept. of Surveying Engineering            Phone:    (506) 453-5142
 University of New Brunswick               FAX:      (506) 453-4943
 Fredericton, N.B., Canada  E3B 5A3        Telex:    014-46202
==============================================================================
From: beddow@ux.acs.umn.edu (Jeff Beddow)
Newsgroups: rec.radio.shortwave
Subject: Hallicrafters
Keywords: Designer? Replacement tubes?
Date: 12 Apr 92 00:55:07 GMT
Article-I.D.: ux.beddow.703040107
Distribution: usa
Organization: University of Minnesota

I am going to look at an old Hallicrafters SW radio
next tursday at an antiques dealer.  He does not have
it yet.  He knows this about it:
	1. It has a send/receive switch but no mic. input
	2. The current owner claims it was designed by
Raymond Loewy, the famous industrial designer that did the
Lucky Strike cigarette pack, for example
	3. It has a two stage tuning mechanism and about 
6 tubes.  It probably works but the main band tuning is
broken ( a string? mechanism is broken?)

Questions:
	1. Does it just transmit morse code, or is the
microphone connection inside?
	2. Is it possible/likely that it was actually designed
by Loewy?
	3. What is the availability of replacement tubes?
	4. Is it worth more than $100? More than $200? (assuming
it works.)

I am new to this and would appreciate any advice, insight,
suggestions, refutations, etc.  Is there a reference to
the history of sw radio design and manufacture that might
shed some light?

-Jeff
612 348 3105
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Newsgroups: rec.radio.shortwave
Date:         Wed, 8 Apr 1992 13:16:28 UCR
Reply-To:     Harold Sanchez <HSANCHEZ@UCRVM2.BITNET>
Comments:     Resent-From: Harold Sanchez <HSANCHEZ@UCRVM2>
Comments:     Originally-From: Network Mailer <MAILER@UCRVM2>
From:         Harold Sanchez <HSANCHEZ@UCRVM2.BITNET>
Subject:      Thanks Ray Berry @ ole ??

----------------------------Original message----------------------------
Your mail was not delivered to some or all of its
intended recipients for the following reason(s):

RSCS rejected mail w/tag: OLE      RAY    .... Is the hostname misspelled?

--------------------RETURNED MAIL FILE--------------------
Received: by UCRVM2 (Mailer R2.08) id 6103; Wed, 08 Apr 92 13:05:04 UCR
Received: from UCRVM2 (HSANCHEZ) by UCRVM2.BITNET (Mailer R2.08) with BSMTP id
 6102; Wed, 08 Apr 92 13:05:02 UCR
Date:         Wed, 08 Apr 92 12:59:11 UCR
From:         Harold Sanchez <HSANCHEZ@UCRVM2>
Subject:      Re: High quality PCs for control
To:           Ray Berry <ray@ole>

Your information is very good. I'll contact CyberResearch. How do I post in
sci.electronics and comp.sys.ibm.pc.hardware? I have no idea. I've only used
lists. Is there any relation with that heading "News group:rec.radio.shortwave"
in your mail and others in SWL-L?
Thanks.
         Harold Sanchez    hsanchez@ucrvm2
From: lrk@k5qwb.lonestar.org (Mr. Lyn R. Kennedy)
Newsgroups: rec.radio.shortwave
Subject: Re: How old is the oldest Diode?
Date: Sun, 12 Apr 92 23:46:30 CDT
Organization: Radio Amateur k5qwb

irvine@en.ecn.purdue.edu (B-rent) writes:

> In article <17120046@hpdmd48.boi.hp.com>, jqtaylor@hpdmd48.boi.hp.com (John Q
> > 
> > Didn't some soldiers in the Great War use a piece of pencil lead
> > fastened to a wire pin pushing down upon a razor blade to detect
> > radio signals from their foxholes? Does this constitute a diode?
> >  
> 	It works under the same principles, but I think they had
> 	a number of other detectors (galena & cats whisker) that
> 	worked with a heterojunction.  They weren't called diodes.
> 
> 	So I figure that only the semiconductor junction can be called
> 	a diode.

Gee, I thought those vacuum tube ones were legitamately called diodes 
too. :-)


-------------------------------------------------------------------

73,            internet     | lrk@k5qwb.lonestar.org
Lyn Kennedy    packet radio | K5QWB @ N5LDD.#NTX.TX.US.NA
               pony express | P.O. Box 5133, Ovilla, TX, USA 75154

---I would like e-mail from people monitoring for news gathering---
From: rovero@oc.nps.navy.mil (Josh Rovero)
Newsgroups: rec.radio.shortwave
Subject: Re: Bandpass filters?
Date: 7 Apr 92 06:59:26 GMT
Organization: Naval Postgraduate School, Monterey CA

Look in almost any recent amateur radio magazine.  There are all
sorts of ads for diplexers designed for sharing an auto's BC antenna
with VHF and UHF transceivers.  They ought to work just fine with
scanners too.

-- 
Josh Rovero   (rovero@oc.nps.navy.mil) | or Internet 5346p@cc.nps.navy.mil 
Department of Oceanography, Code OC/Rv |      Bitnet 5346p@NAVPGS 
Naval Postgraduate School              |              
Monterey, CA  93943   (408) 646-2084   |
From: burden_d@oass.enet.dec.com
Newsgroups: rec.radio.shortwave
Subject: Hammarlund receivers?
Date: 10 Apr 92 20:45:32 GMT
Reply-To: burden_d@oass.enet.dec.com ()
Organization: Digital Equipment Corporation


I've been into swl for a few years and really enjoy it.  Currently I have
a Hammarlund HQ100A connected to a center fed longwire about 100' or so.

One question I think about from time to time is how good is my receiver?
I would think a digital tuner would be nice to have, since it's kind of
hard to pick out the difference between 6050 and 6025 with a dial.  Any
'old-time' users of the HQ100A care to comment on it?

--
Dave Burden                                      ______--------___
Digital Equip Corp - Alpharetta, GA             /|             / |
                                     o___________|_\__________/__|
burden_d@oass.enet.dec.com          ]|___     |   |=  ||  =|___  |"
                                    //   \\   |   |___||_///   \\|"
                                    |  X  |\-------------/|  X  |\"
                                     \___/                 \___/
From: wmartin@STL-06SIMA.ARMY.MIL (Will Martin)
Newsgroups: rec.radio.shortwave
Subject: Re:  Radio Nederland via shortwave?
Date: 7 Apr 92 13:11:05 GMT
Article-I.D.: ucbvax.9204071313.AA24850

The other answer to your request quoted "Passport" which is now out of
date. Here's some info I posted last month, with a few modifications:

This is the English-language schedule for Radio Nederland that went
into effect March 29, 1992:

0730:  11895,  9630                             Pacific Area
0830:  11895                                    Pacific Area
0930:  11895, 9720                              Australia
1330:  21665, 17605                             South Asia
1430:  21665, 17605, 15150, 9890                Southwest Asia, Europe
1530:  17605, 17580, 15150, 9890                South & East Africa
1730:  21590, 21515, 9605, 6020                 South & East Africa
1830:  21590, 21515, 9605                       South & Central Africa
1930:  21590, 17605                             West Africa (& Europe)
0030:  11835, 6165, 6020                        Eastern North America
0030:  13700, 11655, 9860                       South Asia
0130:  13700, 11655, 9860                       South Asia
0230:  13700, 11655, 9860                       South Asia
0330:  9590, 6165                               Western North America

It appears the changes are that some hours are being shifted, plus a
whole new block of Asian broadcasts are being added. Note that there are
no longer any broadcasts at 1130, 1630, and 2030, but that new/shifted
hours appear at 1330, 1530, 1730, & 1930.

The schedule for Media Network itself is to be:

UTC Thursdays:
0150
0750
0950
1350
1550
1750
1950

UTC Fridays:
0050
0250
0350

If we here in N. America can pick up the Asian broadcasts 0030-0325 we
have a chance to hear MN a day earlier at the local-Wednesday-evening
initial airing, it appears. Also we'll have another possible time
Thursday night with the UTC-Friday-0250 broadcast from the Asian
service. [Note based on later monitoring: "Research File" was being
carried at the times MN was not carried during this day's broadcasts.]

The S. Asian 0150 UTC Thursday airing leds me to speculate that this
block gets the next day's programming as a rule. So if we can receive it
here in N. America, we could get two day's worth of RN features in one
evening by listening at 0030 and 0130 (or 0130 and 0330).  Might help if
you wanted to hear something particular and your schedule conflicted...
[Note from recent MN -- people are reporting readable reception in NA
for these times, so this IS feasible.]

I don't have any info for the Dutch broadcasts; try the same frequencies
in between the English broadcasts to NA. If you listen to the tail end
of the English segments, they give announcements which mention the
upcoming other-language segments.

Regards, Will
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Full-Name: David L. Wilson
Mailer: Elm [revision: 64.9]
Newsgroups: rec.radio.shortwave
Date:         Wed, 8 Apr 1992 13:33:55 EDT
Reply-To:     "David L. Wilson" <dwilson@S850.MWC.EDU>
From:         "David L. Wilson" <dwilson@S850.MWC.EDU>
Subject:      Re: Adding PL tone decoding to a scanner
X-To:         swl-l%cuvma.BITNET@cunyvm.cuny.edu
X-cc:         pas@JUPITER.IC.CMC.CA

>
> Hi.  I'm considering adding PL tone (CTCSS) decoding to
> my Radio Shack scanner (one of Pro-2003 or Pro-2006)
> and would like to know if anyone has any experience with
> the tone decoder boards from Communications Specialists
> Inc. (Orange California)?   Do they work?     Can they
> be made to be channel-specific?   Are they easy to install?
> What are my options?

I have used them.  You will need to tap the FMN demodulator in the
Pro.  On the PRO-2004/5, it is a test point and probably is at least on
the PRO-2006.  You will want to get their 32 position switch to change
PL tones instead of using the DIP swich on the board.  Cannot be made
channel (of the scanner) specific and because of the switch, you cannot
fit it into the radio.  I haave not used this to PL squelch the audio
(although I am sure it can be done) as I was only interested in
measuring the tones.  In my case, I used their PL board to light an
simple LED when it detected the PL tone selected by the switch.
With this set up, one can identify users on the same frequency by their
PL tone.

(Actually, I later designed a circuit that electronically goes through
the 32 positions corresponding to the switch and stop when it finds the
one corresponding to a present PL tone.  Digital LED's then give a code
that identitifies the PL tone.  That circuit is rather complicated and I
never drew a schematic and do not have time to now--before someone asks
:-)

>
> Please email me or post to the net,
> Thanks,
> Peter
>


--
David L. Wilson                 dwilson@s850.mwc.edu
Department of Mathematics       Amateur: AC4IU (ex-KD4ASW/KO4EQ)
Mary Washington College         Home Phone:    (703)898-1084
Fredericksburg, VA  22401       Office Phone:  (703)899-4744
Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
Full-Name: David L. Wilson
Mailer: Elm [revision: 64.9]
Newsgroups: rec.radio.shortwave
Date:         Wed, 8 Apr 1992 16:38:58 EDT
Reply-To:     "David L. Wilson" <dwilson@S850.MWC.EDU>
From:         "David L. Wilson" <dwilson@S850.MWC.EDU>
Subject:      Re: Adding PL tone decoding to a scanner
X-To:         swl-l%cuvma.BITNET@cunyvm.cuny.edu
X-cc:         pas@scorpio.ic.cmc.ca
              Apr 8, 92 1:44 pm

>
> >
> >I have used them.  You will need to tap the FMN demodulator in the
> >Pro.  On the PRO-2004/5, it is a test point and probably is at least on
> >the PRO-2006.  You will want to get their 32 position switch to change
> >PL tones instead of using the DIP swich on the board.  Cannot be made
> >channel (of the scanner) specific and because of the switch, you cannot
> >fit it into the radio.  I haave not used this to PL squelch the audio
> >(although I am sure it can be done) as I was only interested in
> >measuring the tones.  In my case, I used their PL board to light an
> >simple LED when it detected the PL tone selected by the switch.
> >With this set up, one can identify users on the same frequency by their
> >PL tone.
> >
> >(Actually, I later designed a circuit that electronically goes through
> >the 32 positions corresponding to the switch and stop when it finds the
> >one corresponding to a present PL tone.  Digital LED's then give a code
> >that identitifies the PL tone.  That circuit is rather complicated and I
> >never drew a schematic and do not have time to now--before someone asks
> >:-)
>
> Thanks for the comments.   I'd like to ask one simple question about
> the circuit which stepped through the switch postitions:  what
> did you use to interface the logic of your circuit to the 32 postition
> (5 DIP switch) of the PL tone board?     TTL, CMOS, transistors?
> The rest of the circuit I can quickly visualize in my head (binary
> counter, gated clock...).


LM555 as clock followed by two 7493's acting as five divide by two
frequency dividers with their separate outputs going to the five
separate switch contacts.  Note that you can switch at a maximum rate of
only about 7 or 8 PL frequencies a second.  Actually between the 555 and
first 7493 is a 7400 that acts to stop the scanning of the switch when
the PL board detects a tone.  The 5 separate outputs also go to two
7447's to drive the two digit LED display.  (The PL tone is thus
indicated in base 8 but what the heck, I glued a base 8 to PL tone
table on the front.)  In addition, I later added a 5 pole switch to
switch between the above automatic PL search and a 32 position switch
for manual selection.  Thought about marketing these but no time to make
them myself but no time to make them.  Made two that I use.
--
David L. Wilson                 dwilson@s850.mwc.edu
Department of Mathematics       Amateur: AC4IU (ex-KD4ASW/KO4EQ)
Mary Washington College         Home Phone:    (703)898-1084
Fredericksburg, VA  22401       Office Phone:  (703)899-4744
From: CSP1DWD@mvs.oac.ucla.edu (CSP1DWD)
Newsgroups: rec.radio.shortwave
Subject: 1991 World Radio TV Handbook
Date: 6 Apr 92 00:50:42 PDT

Anybody having an old copy of the 1991 editition of the World Radio
and TV Handbook willing to sell it for a reasonable price?

-- Denis
From: Ken_Bell@mindlink.bc.ca (Ken Bell)
Newsgroups: rec.radio.shortwave
Subject: Utility DX-ing Guide
Date: 10 Apr 92 17:58:25 GMT
Organization: MIND LINK! - British Columbia, Canada
Distribution: world

In a message to <stimpsn@bbs.orion.bison.mb.ca> ,  daniel@cosc.canterbury.ac.nz
writes:

>My reccomendations for utility books are:

>#1.  Confidential Frequency List (Published by Gilfer & Associates)
>     Most reliable source of monitoring information.
>     I have 7th ed, I think there's now an 8th.

>#2:  Shortwave Directory (Bob Grove)
>     Contains plenty of background information on AF, Navy, CG, Aircraft...

Both of these are reasonable, but tend to age because they arent updated
annually.

The utility DXer's Bible is
"Guide to Utility Station" by Joerg Klingenfuss, now in It's 10th edition (for
1992)

It's packed with more than 17,000 utility station frequencies and
identifications, and has a huge reference section of information such as press
frequencies, fax schedules, meteo station callsigns, address lists, etc. etc.
A North American source is Universal Radio in Reynoldsburg, OHIO. Last phone
number I saw was (614) 866-4267, but they were supposed to be moving into a new
building around now.
Someone has borrowed my current Klingenfuss, but the address in the 1989
edition is:

Klingenfuss Publications
Hagenloher Str. 14
D-7400 Tueblingen
Germany

Phone 07071 62830

I believe the price from Klingenfuss direct is 50DM; price from Universal (if
my failing memory serves me right) is around $34.95 US.

Regards and good listening



Ken Bell in beautiful downtown Vancouver, Canada

Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU