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- Date: Fri, 26 Nov 93 04:30:26 PST
- From: Ham-Equip Mailing List and Newsgroup <ham-equip@ucsd.edu>
- Errors-To: Ham-Equip-Errors@UCSD.Edu
- Reply-To: Ham-Equip@UCSD.Edu
- Precedence: Bulk
- Subject: Ham-Equip Digest V93 #113
- To: Ham-Equip
-
-
- Ham-Equip Digest Fri, 26 Nov 93 Volume 93 : Issue 113
-
- Today's Topics:
- Alkaline vs Nicad operating time
- Ameritron 811
- APT interface for PC
- CMOS Super Keyer II (2 msgs)
- icoms on construction job
- Indestructable HTs? (3 msgs)
- Type Accepted ham HT'
-
- Send Replies or notes for publication to: <Ham-Equip@UCSD.Edu>
- Send subscription requests to: <Ham-Equip-REQUEST@UCSD.Edu>
- Problems you can't solve otherwise to brian@ucsd.edu.
-
- Archives of past issues of the Ham-Equip Digest are available
- (by FTP only) from UCSD.Edu in directory "mailarchives/ham-equip".
-
- We trust that readers are intelligent enough to realize that all text
- herein consists of personal comments and does not represent the official
- policies or positions of any party. Your mileage may vary. So there.
- ----------------------------------------------------------------------
-
- Date: Tue, 23 Nov 1993 18:29:48 GMT
- From: telesoft!garym@uunet.uu.net
- Subject: Alkaline vs Nicad operating time
- To: ham-equip@ucsd.edu
-
- In a recent thread there was some discussion about the usefulness of AA packs
- with Alkaline batterys for use in HT's. Especially for backup/disaster work,
- since Alkalines have a longer shelf life than a charged nicad pack and
- operate longer before it has to be replaced/recharged. I can't find the
- thread now but I found some interesting info in my FT-470 user manual (a
- Yaesu 2M/440 HT) to add tho this.
-
- The book gives a chart of battery charge life under a specified set of
- conditions. The interesting thing is the relative life of the Nicad packs,
- and AA packs with Alkaline or Manganese batteries. From the chart you can
- estimate the milliamp-hour rating of Alkaline and Manganese batteries.
-
- Battery Model Charge Life
- ------------------ -----------
- AA Pack: 6 AA Alkalines 17 hrs (about 2000 mAh)
- 6 AA Manganese 5.8 hrs (about 700 mAh)
-
- 7.2v Ni-Cd Pack (200 mAh) 1.6 hrs
- 7.2v Ni-Cd Pack (600 mAh) 5 hrs
- 7.2v Ni-Cd Pack (1000 mAh) 11 hrs
-
- Using their ratings for the various packs (excluding the 1000 mAh pack) we
- can estimate that the Manganese batteries have a rating of around 700 mAh
- and that the Alkaline batteries have a rating of around 2000 mAh. The
- life of their 1000 mAh pack seems too long compared to the other packs.
-
- I would expect these ratings to vary with various brands of Alkaline
- batteries. Has anyone done any tests to measure mAh rating of various AA
- batteries?
-
- --GaryM
- --
- Gary Morris KK6YB Internet: garym@alsys.com
- San Diego, CA USA Phone: +1 619-457-2700 x128 (work)
-
- ------------------------------
-
- Date: 25 Nov 1993 14:46:35 GMT
- From: library.ucla.edu!europa.eng.gtefsd.com!howland.reston.ans.net!pipex!sunic!ugle.unit.no!stud.unit.no!kenneth@network.ucsd.edu
- Subject: Ameritron 811
- To: ham-equip@ucsd.edu
-
- Anyone out there having comments on the Ameritron 811 PA,compared to other types ?
-
- thanks in advance.
-
- Kenneth.
-
- ------------------------------
-
- Date: Sun, 21 Nov 93 20:53:22 GMT
- From: nntp.ucsb.edu!library.ucla.edu!europa.eng.gtefsd.com!howland.reston.ans.net!pipex!uknet!EU.net!sun4nl!bsoatr!bsdihi!dihi@network.ucsd.edu
- Subject: APT interface for PC
- To: ham-equip@ucsd.edu
-
- Try using the beautifull JVFAX software (shareware). It is capable of
- receiving all kinds of FAX and SSTV modes. I build my interface around
- an 741 chip for less than $1 !!!.
- I am able to receive all kind of nice WX pictures, and even send and
- receive color SSTV!!
- The JVFAX software is written by DK7JV, and is downloadable from a
- lot of BBS'es.
- Have fun!
-
-
- Dick Hissink PA3DSP
- Email:dihi@bsdihi.atr.bso.nl
-
- ------------------------------
-
- Date: Thu, 18 Nov 1993 19:59:45 GMT
- From: hearst.acc.Virginia.EDU!murdoch!hopper!porter@uunet.uu.net
- Subject: CMOS Super Keyer II
- To: ham-equip@ucsd.edu
-
- >A friend of mine let me borrow his "CMOS Super Keyer II",
- >and I like it very much. Where can I buy one of these?
- >
- >The feature list sounds identical to the Logikey unit (that
- >HRO sells for about $120). Are these the same design? Any
- >comments about either of these units?
-
- After I RTFM, I found that the unit I was using was the kit version,
- and it *is* identical to Logikey's model K-1.
-
- -------------------------------------------------------------------
- Alan Porter work: (804) 978-5764 alan.porter@cho.ge.com
- KD4DNU/AA home: (804) 973-ALAN big@catt.ncsu.edu
- -------------------------------------------------------------------
-
- ------------------------------
-
- Date: Fri, 19 Nov 1993 18:39:14 GMT
- From: hearst.acc.Virginia.EDU!murdoch!hopper!porter@uunet.uu.net
- Subject: CMOS Super Keyer II
- To: ham-equip@ucsd.edu
-
- > After I RTFM, I found that the unit I was using was the kit version,
- > and it *is* identical to Logikey's model K-1.
-
- I called Jeffrey Russell (KC0Q), one of the makers of the keyer kit.
- He told me that the CMOS Super Keyer II is a kit. The Logikey K-1
- is an assembled unit. The Super Keyer can be ordered from Idiom
- Press, Box 583, Deerfield IL 60015 for $48 (postage pre-paid).
-
- Why do I feel like I am having a conversation with myself? :-)
-
- -------------------------------------------------------------------
- Alan Porter work: (804) 978-5764 alan.porter@cho.ge.com
- KD4DNU/AA home: (804) 973-ALAN big@catt.ncsu.edu
- -------------------------------------------------------------------
-
- ------------------------------
-
- Date: Thu, 25 Nov 93 20:25:56 GMT
- From: mnemosyne.cs.du.edu!nyx10!rchalk@uunet.uu.net
- Subject: icoms on construction job
- To: ham-equip@ucsd.edu
-
- brian.oakley@pubcon.fort-worth.tx.us (BRIAN OAKLEY) writes:
-
- >did you check out which band the icoms were transmitting in? icom makes
- >radios that are type accepted for business use, marine use, avation,
- >etc. not just ham. fyi 73. wb5kxw
-
- I've seen RS handhelds used by Chaperones at a High-school Band Competition.
-
- I asked about licenses, and they said "What licenses?" I have also heard of
- Race Car drivers using them. RS makes no real effort to control this.
-
- ------------------------------
-
- Date: Wed, 24 Nov 93 20:12:40 GMT
- From: mnemosyne.cs.du.edu!nyx10!dsharp@uunet.uu.net
- Subject: Indestructable HTs?
- To: ham-equip@ucsd.edu
-
- kharker@bnr.ca (Kenneth E. Harker) writes:
-
- > I am wondering about something... what's the most "indestructable"
- >HT available? Is there one that could withstand not just being dropped,
- >but being dropped and rolling down a steep, rocky trail? Or being in
- >the vest pocket of a ski jacket when you crash and burn and land on top
- >of it? Something as rugged as most camping flashlights for example? Are
- >there any HTs that are really waterproof? Like if you dropped them in a
- >stream or in a bank of wet snow, they would still work? How about an
-
- I have an Icom IC-24AT Dualband HT, I don't know just how indestructable
- it might be if I dropped it, but one my cats did knock it into a cooler
- of water while it was powered up and monitoring a local repeater. It
- did die from the immersion, but I opened it up, dried it out under a fan
- for a couple days, reset the CPU, it it worked like new! Says a lot for
- the short-protection circuitry Icom puts in there.
- ZZ
- --
- ______________________________________________________________________
- Dave Sharp, NU8H | "Eagles may soar, but weasels
- Dayton, Ohio | don't get sucked into jet engines"
- Email: dsharp@nyx.cs.du.edu | -Unknown
-
- ------------------------------
-
- Date: 23 Nov 1993 15:40:55 -0600
- From: concert!corpgate!crchh327.bnr.ca!kharker@decwrl.dec.com
- Subject: Indestructable HTs?
- To: ham-equip@ucsd.edu
-
- I am wondering about something... what's the most "indestructable"
- HT available? Is there one that could withstand not just being dropped,
- but being dropped and rolling down a steep, rocky trail? Or being in
- the vest pocket of a ski jacket when you crash and burn and land on top
- of it? Something as rugged as most camping flashlights for example? Are
- there any HTs that are really waterproof? Like if you dropped them in a
- stream or in a bank of wet snow, they would still work? How about an
- HT that would operate in temperatures from -10c to 40c?
- If this "dream" HT doesn't exist, what's the closest to it? Are
- there things that can be done to "ruggedize" existing units?
- I'm not a terribly active outdoors type, but I would like to be able
- to take an HT along with me on camping or skiing trips and not have to
- worry about anything except how much battery life I have...
- --
- ======================================================================
- Kenneth E. Harker BNR "Any opinions expressed
- kharker@bnr.ca Richardson, Texas, USA are solely mine and do
- N1PVB (214) 684-5115 not represent BNR"
- ======================================================================
-
- ------------------------------
-
- Date: Wed, 24 Nov 1993 00:14:02 GMT
- From: world!dts@uunet.uu.net
- Subject: Indestructable HTs?
- To: ham-equip@ucsd.edu
-
- In article <2cu017$f5o@crchh941.bnr.ca> kharker@bnr.ca (Kenneth E. Harker) writes:
- >
- > I am wondering about something... what's the most "indestructable"
- >HT available? Is there one that could withstand not just being dropped,
- >but being dropped and rolling down a steep, rocky trail? Or being in
- >the vest pocket of a ski jacket when you crash and burn and land on top
- >of it? Something as rugged as most camping flashlights for example? Are
- >there any HTs that are really waterproof? Like if you dropped them in a
- >stream or in a bank of wet snow, they would still work? How about an
- >HT that would operate in temperatures from -10c to 40c?
- > If this "dream" HT doesn't exist, what's the closest to it? Are
- >there things that can be done to "ruggedize" existing units?
- > I'm not a terribly active outdoors type, but I would like to be able
- >to take an HT along with me on camping or skiing trips and not have to
- >worry about anything except how much battery life I have...
-
- The Icom 2GAT is the toughest radio targetted at the ham market that I know
- of. Some of the Motorola stuff is likely tougher, but are not directly
- settable like a ham HT (i.e. you need a computer to program the commercial
- gear).
-
- --
- ---------------------------------------------------------------
- Daniel Senie Internet: dts@world.std.com
- Daniel Senie Consulting n1jeb@world.std.com
- 508-365-5352 Compuserve: 74176,1347
-
- ------------------------------
-
- Date: 25 Nov 93 01:42:37 GMT
- From: ogicse!cs.uoregon.edu!sgiblab!spool.mu.edu!agate!iat.holonet.net!pubcon.fort-worth.tx@network.ucsd.edu
- Subject: Type Accepted ham HT'
- To: ham-equip@ucsd.edu
-
- i hesitate to agree with your answer without further qualifications.
- the fcc type accepts a radio by testing the radio and what it can and
- cannot do. if the radio can cover frequencies including a ham band, and
- they give it type acceptance, it is type accepted for its intent. just
- because one uses ham frequencies in the radio does not make it non-type
- accepted. it is still type accepted for the commercial frequencies it
- uses because it meets the criteria the fcc set down for type
- acceptance. please enlighten me of you opinion. b. wb5kxw
-
- ------------------------------
-
- Date: Mon, 22 Nov 1993 22:41:31 GMT
- From: munnari.oz.au!spool.mu.edu!howland.reston.ans.net!cs.utexas.edu!swrinde!dptspd!TAMUTS.TAMU.EDU!TAYLOR.TAMU.EDU!gtaylor@network.ucsd.edu
- To: ham-equip@ucsd.edu
-
- References <1993Nov21.110946.330@sfpp.com>, <1993Nov22.163942.23514@ke4zv.atl.ga.us>, <2cr82m$etu@oak.oakland.edu>S
- Subject : Re: Best 2m handheld?
-
- Didn't QST do a comparison of 2m handhelds awhile back?
-
- Greg
- Greg Taylor, KD4HZ // g-taylor4@tamu.edu // 409-845-4445 // Fax-847-8744
-
-
- ------------------------------
-
- Date: Fri, 19 Nov 1993 16:42:48 GMT
- From: dog.ee.lbl.gov!agate!howland.reston.ans.net!vixen.cso.uiuc.edu!newsrelay.iastate.edu!news.iastate.edu!sknapp@network.ucsd.edu
- To: ham-equip@ucsd.edu
-
- References <CFoJ0J.973@alsys.com>, <CGpqKs.Gwr@alsys.com>, <CGqnLn.Gpv@news.iastate.edu>s.ias
- Subject : Re: Problems with Kenwood TM-742A
-
- In article <CGqnLn.Gpv@news.iastate.edu> jdwhite@iastate.edu (Jason White) writes:
- >My advice: ditch the 742A, and if you must buy Kenwood get a 741. If not,
- >check out the Yaesu 5100 and 5200. I know of several people who have them and
- >I don't hear them bitchin'. :)
-
- You forgot to mention how much better the mounting hardware with the
- Yaesu was! :) More flexable, allowed mounting in more strange places.
- Both the head unit, and trunk unit are easily removable without tools.
- The unit did not require a duplexer, and was smaller. The instructions
- for mounting were much better.
-
- If I had the $$$ it would be my mobile rig of choice!
- ________________________________________________________________________
- Steven M. Knapp Computer Engineering Senior
- sknapp@iastate.edu Vice President Cyclone Amateur Radio Club
- Iowa State University; Ames, IA; USA Durham Center Operations Staff
-
- ------------------------------
-
- End of Ham-Equip Digest V93 #113
- ******************************
- ******************************
-