Date: Mon, 13 Dec 93 04:30:50 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 #131 To: Ham-Equip Ham-Equip Digest Mon, 13 Dec 93 Volume 93 : Issue 131 Today's Topics: Address/Phone of IRC Info sought on QUANTUM batt. packs Kenwood TS-50 Receive broadcast FM on 2m mobile antenna? receiver sensitivity (2 msgs) 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: Fri, 10 Dec 1993 21:07:14 GMT From: mvb.saic.com!unogate!news.service.uci.edu!usc!howland.reston.ans.net!math.ohio-state.edu!magnus.acs.ohio-state.edu!csn!news.den.mmc.com!pogo.den.mmc.com!boutell@network.ucsd.edu Subject: Address/Phone of IRC To: ham-equip@ucsd.edu Could someone please tell me the address of a company called IRC. I believe it is in Florida. They carry (hopefully) CW filters for my HF rig. Thanks and 73, Russ (WD0FTF) ------------------------------ Date: Sun, 12 Dec 1993 14:54:15 GMT From: agate!howland.reston.ans.net!newsserver.jvnc.net!yale.edu!cs.yale.edu!ccsua.ctstateu.edu!white@ames.arpa Subject: Info sought on QUANTUM batt. packs To: ham-equip@ucsd.edu I've been looking at battery packs for my TH78a.... Has anyone used the QUANTUM battery packs? Any feedback appreciated. 73s de N1QVE Harry white@csusys.ctstateu.edu ------------------------------ Date: 12 Dec 1993 09:52:08 GMT From: olivea!inews.intel.com!ilx018.intel.com!ilx049!dbraun@ames.arpa Subject: Kenwood TS-50 To: ham-equip@ucsd.edu I was thinking of getting a Kenwood TS-50 (the tiny HF rig). Its main appeal for me is that it's small, and I can have someone bring (smuggle) it to me here in Israel rather easily. Are there any good reasons NOT to get this rig? Is there anything it doesn't do? Does it have any nasty habits? I have the QST review, and the only bad points I remember are that it doesn't have VOX (big deal) and it has a bit of filter blow-thru. Oh, will it work OK for RTTY/Pactor, etc.? -- ------------------------------------------------------------------- Doug Braun Intel Israel, Ltd. M/S: IDC1-41 Tel: 011-972-4-655069 dbraun@inside.intel.com ------------------------------ Date: Sat, 11 Dec 93 19:58:20 MST From: elroy.jpl.nasa.gov!swrinde!cs.utexas.edu!asuvax!ennews!stat!rangr!adam@ames.arpa Subject: Receive broadcast FM on 2m mobile antenna? To: ham-equip@ucsd.edu riyadth@boi.hp.com (Riyadth Al-Kazily) writes: > > Hello, > > I was wondering.. (here I go, getting myself in trouble again!) .. if > it would be possible to install a 2m antenna on my car in place of my > standard antenna, and have some type of adapter that would allow me to > use it with a(n) HT and also with my stereo (without damaging either one). > Has anyone tried this? I don't know how broadcast AM/FM reception will > be affected, but everything I listen to around here can be heard with > little or no antenna at all, so I don't think that will suffer too much. > > I remember seeing combination CB/AM/FM antennas advertised in the > past, with some kind of isolator to prevent the CB from overloading the > AM/FM receiver. Is there any similar product for Amateur Radio use? > Otherwise, I guess I'll just buy a magnetic mount antenna for amateur > use -- but it sure would be nice to have a more permanent solution. > > -Riyadth Al-Kazily > riyadth@boi.hp.com > -- > { Riyadth Al-Kazily KB7YWE DoD #295 '83 BMW R65 '77 Volvo 242DL } > { riyadth@boi.hp.com | When am i going to have time to use all this } > { (208) 396-4987 | stuff I'm collecting? More important, how can } > { Boise, Idaho | I get more stuff? Amiga 500+ (+ stuff, that is) } There are several companies that make what is commonly refered to as "disguise" antennas.These are made to take the place of the regular broadcast antenna,and when combined with a coupler,will also function as a broadcast antenna.One of the companies is Antenna Specialist Co. at 216-349-8400.Another,which I would reccommend,is STI-CO Industries at 716-662-2680.Both of these companies will sell direct or send you to a local distributor.One additional piece of info is that Barker -Williamson use to make a tuner for your purpose.I dont know if they are still in business.I should warn you that "disguise" antennas are very expensive but work fairly good.I use an antenna specialist model for 6 meters on my chevy and have had no problems.Good luck! --- internet: adam@rangr.stat.com ------------------------------ Date: 10 Dec 1993 15:14:37 GMT From: pacbell.com!sgiblab!sdd.hp.com!caen!usenet.cis.ufl.edu!usenet.ufl.edu!gatech!howland.reston.ans.net!vixen.cso.uiuc.edu!bradley.bradley.edu!augustana.edu!gganderson@network.ucsd.edu Subject: receiver sensitivity To: ham-equip@ucsd.edu I know in general one wants a receiver with a low sensitivity threshold in terms of lower microvolts. Is there a practical way I can understand the differences between receivers of say 2, 1, .5, and .125 microvolts sensitivity? Obviously the factors of power of transmitted signal, distance to source, interference, etc., all play into this. But is there really an effective minimum sensitivity one needs for say local VHF repeater/simplex use versus "general" HF versus DX HF? How do broadcast AM, FM, TV and international SW stations compare to amateur signals in field strength and required receiver sensitivity? Thanks. 73 de Kevin * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Kevin L. Anderson, Geography Dept., Augustana College Rock Island, Illinois 61201 USA phone: (309) 794-7325 e-mail: gganderson@augustana.edu or kla@helios.augustana.edu * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ------------------------------ Date: Mon, 13 Dec 1993 05:56:10 GMT From: news.Hawaii.Edu!uhunix3.uhcc.Hawaii.Edu!jherman@ames.arpa Subject: receiver sensitivity To: ham-equip@ucsd.edu In article <CHy1oG.1GB@news.Hawaii.Edu> I wrote (oh no!): > >Kevin, I'm using a receiver that probably only has 20 mv sensitivity! ^^ Gad, what a rotten receiver that would be! Make that 20 uv (u = micro). Jeff NH6IL ------------------------------ End of Ham-Equip Digest V93 #131 ****************************** ******************************