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Radio Shack switching 3 amp power supply
Curtis, Tony
Regarding switching power supply noise...
I have been using a small Radio Shack 13.8 VDC 3A regulated switching power supply with my '817 with very limited hash problems, none where I have wanted to operate. It is catalog number 22-503 at $49.99. RS labels it "3-Amp Traveler Powers DC Vehicle Accessories Anywhere ... great for powering auto accessories in countries with varying VAC." It's black with a red lighted rocker-toggle on/off switch on the front panel. It also has a vehicle accessory outlet (cigar lighter socket), a 6-foot power cord, and a padded carrying case. It takes 85 - 240 VAC input. RS lists it as "UL listed and FCC approved." It measures 1-7/8 x 3 x 7-1/2 Inches and weighs 0.89 lbs. On their web site < <> go to PRODUCT CATALOG>Catalog Home>Test & Measurement>Power Supplies. RShas a bunch of info about it under these headings: Features, Safety, Connections, Operation, Care and Maintenance, Specification. Using it, I position the power supply against the left side of the Z-11 which is underneath the '817. --Tony K3RXK k3rxk@... <mailto:k3rxk@...> |
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Re: Press Waterman!!!!!!!
Pres Waterman
To bad John, I was hoping the supply Press was talking about was not aswithching supply. I did buy a CUP36-12-1 which is the one Universal radio sells and foundthere was a LOT of RF hash when using a whip antenna like the ATX. I did try several chokes andnothing helped. Universal said in their ad "we also added a surface mount capacitor rightinside the plug to reduce RFI. " I dont see how that would help? If so I would do it in a second andbe done with this hunt for THE supply. The supply is NOT switching. Less than $20 at MCM. Well regulated at multiple voltages including 12v Thanks Pres Waterman W2PW c/o Patchogue Motors, Inc. Long Island Ford and Kia dealer GO BILLS! |
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Hartley Alley/ Mid-America Bicycle Ham Radio Camping Trip
Very sorry to find out about the passing of Bicycle Mobile Hams of
America (BMHA) founder Hartley Alley, NA0A. When our paths crossed around 1990 he was one of the few people that understood what most of us bicycle hams had been trying to do and I'll say he did everything he could to support my endeavors and write up articles (many of them!) about my bicycle sation in the BMHA Newsletters. We had many phone conversations back then and whenever I had finished talking to him on the phone I felt like I had gone to a ham radio mobile pep rally! I certainly miss him very much. In my personal near future, I'll be leaving on a solo bicycle trip early Saturday morning, June 9th, 2001 from my home QTH in Milwaukee, WI heading west and going through Wisconsin, Minnesota, Iowa, Missouri, and Illinois. I'll be working 3.5 Mhz to 440 Mhz, 2.5 watts AM/FM/SSB/CW, using an FT-817, randomly, throughout the trip. I should be on the road for about 16 days of cycling and camping. On 6m (my favorite band!) I'll be running 2.5 watts USB to a PRO-AM fiberglass 6m whip. On 2m I'll be using a homebrew J-pole and on the HF bands I'll be using my Hustler mobile whip with resonators. Recent contacts on 6m from Wisconsin on the bicycle include N4HGZ in Wilmington, NC just last week. Here's a pretty simple WebTV webpage I have updated in the past week or so that has some photos, links, and info you might find useful: I won't have too much time this week to respond to inquiries, but, I will certainly try my best to answer all questions by the time I leave Saturday morning. 73's Elroy Elroy Shelley, Jr. WB9GIE/qrp/Bicycle Mobile Milwaukee, Wisconsin |
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Re: Eagle Creek padded cubes
From: "Pete" <pegood@...>
Date: Mon, 04 Jun 2001 11:59:55 -0000 I'm going to buy an ft-817 in the near future (probably about a week), and am looking at different carrying arrangements. Saw a reference to the Eagle Creek Protect-It Pouch, which looks pretty good, but Eagle creek also makes several "padded cubes" as packing organizers. Seems like you could put the rig plus accessories in one or more of these, then stick that in a backpack, briefcase, luggage or whatever. Has anyone tried this? 73, Pete, NI9N I've not used the Eagle Creek ones, but LL Bean has some padded rectangular packing bags that I use and Campmor sells one that's longer and narrower that I use to pack my PW-1. They seem to work pretty well, although the gear needs to packed well inside them, of course. I'm trying to locate a "low-overhead" container for my Sony Picturebook. 73, doug |
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Windows CE and FT-817
Curtis, Tony
I use the Casio E-125 Cassiopeia Pocket PC every day and would love to have
software for interfacing that with the FT-817. I certainly would be willing to meet a fair share price for the software. Or even better, for the software and ready-made connecting cable! --Tony K3RXK k3rxk@... <mailto:k3rxk@...> |
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Impedance "bump" Of An Elbow Connector
Kanalz, Karl
Elbows for "UHF" series connectors are not "constant impedance" (e.g., 50
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ohms), but then, neither are the connectors they attach to (the SO-239 and PL-258)! They are merely a convenience. On the other hand, BNC connectors and their accessories (such as elbows) were originallyt designed to maintain a constant impedance through the connector(s). Karl K - W8TIF McKinney, Texas -----Original Message-----<snip> |
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Boots for 8 Pin Modular WAS: headsets for FT817
Gregory W. Ratcliff
Greetings all,
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There are Ethernet boots that fit these fine, check your local CompUSA or such, plenty of colors too. Problem: They are 10 to a pack. Greg Nz8r -----Original Message-----
From: n6tqs@... [mailto:n6tqs@...] Sent: Saturday, June 02, 2001 1:43 AM To: FT817@... Subject: [FT817] headsets for FT817 Has anyone tried a telephone headset for the rig? They are small and light. And in the same vein, does anyone know where right-angle boots for 8-pin modular connectors can be obtained? I'd like to make an adapater that lays alongside the radio. I've used my old Heil BM-5 with the unit on VHF FM, and am told it sounds fine. But even that's a bit large. 73, doug To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Your use of Yahoo! Groups is subject to |
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Re: CW Filter / IRC 500 hz installation
--- In FT817@y..., "Richard B Drake" <rich@w...> wrote:
According to the instructions on page 14 of the manual turningRich, I think the material on page 14 is in error regarding the SSB filter. The only time the NAR works is when Menu 38 is in CW. If you have the SSB filter in and set #38 to CW, NAR "works" but it not working right and sounds strange. If your hearing is OK (still hearing the lows and mid-range), then you should be able to hear the difference with and without the SSB filter. The SSB filter is really flat while the ceramic filter is not even close. The "boosted" lows and highs are apparent when listening to background noise. (I'm using boosted in relationship to the ceramic filter.) With a good speaker (like the SP-8) hooked to the 817, I find that the audio from many stations is more understandable with the optional SSB filter. The filter also cuts off the real lows (and highs) much better than the stock filter resulting in less muddle in the audio. Again, I point out that this filter is a refinement to the rig in contrast to the BIG improvement resulting from adding the CW filter (makes CW useful with the 817). 72 de Barry - W4WB |
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Re: SuperComm anyone?
Gregory W. Ratcliff
Yep....I should be there. 20M cw 14.023 Also aero mobile on .52
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Greg, nz8r -----Original Message-----
From: Jeff Francis [mailto:jfrancis@...] Sent: Saturday, June 02, 2001 3:36 PM To: hfpack@...; ft817@... Subject: [FT817] SuperComm anyone? Anbody else going to SuperComm in Atlanta this week? It's a telecommunications trade show, for those who don't know. We could hook up for a malted/distilled beverage (or three) and swap radio stories. I'm gonna give "Hotel-Room-Portable" a shot again with the FT-817, though I generally don't have much luck. Maybe I'll get lucky and get a high room with a window that opens, for a change... -- +-------------------------------+----------------------------------+ | Jeff Francis - N0GQ | Jeff's Rule of Life #16 | | Senior Product Engineer | ------------------------- | | Touch America - tamerica.com | Love is like a snowmobile racing | | Denver, CO USA DM79nr | across the tundra. Suddenly, it | | 39d37m36s N 104d53m21s W | flips over, pinning you | | jeff@... | underneath. Then at night, the | | | ice weasels come. | +-------------------------------+----------------------------------+ To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Your use of Yahoo! Groups is subject to |
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Re: NorCal QRP BLT tuner
Glyph wrote:
It's for balanced lines only (ladder line, TV ribbon,Well, yes, but it comes with directions on how to mod it to feed coax, which takes all of 3 short pieces of wire, a chassis-mount BNC female (or your favorite coax connex), and an SPDT switch. It's really just a good implementation of the classic Z-match ATU (which, IIRC, is the same as the ZM-2 everyone raves about) It uses low-power, easily available components; I believe the variable caps are actually designed for use as trimmers. It includes a 50-ohm absorptive bridge to ensure that you don't fry the finals in case of a huge impedance mismatch. Also, there is an SWR "indicator" in the form of an LED fed with a diode pointed in the reverse direction, if you follow. When it goes out, you're at 1:1. It is "rated" by NorCal for 5 watts but they say on the website they think it should be good to 10. I don't tune for low SWR; I tune for max power out (& trust the protection circuit in the rig), so I didn't put the LED in. I also didn't use the case that comes with it (a "roll-your-own" out of PC board & a clear plastic top). I put it in a ****4"x2"x1"**** Radio Shack plastic box I got for $2. Talk about tiny! 2 transformers to wind (one big for impedance transformation & one small for the LED. Very easy to use. Flip the impedance switch (selects output winding on the big toroid) to High, then tune the caps. If you're not satisfied, flip to Low impedance, and try again. I matched an 8-1/2 foot whip on my truck on 40M (and I think 80 also). External SWR meter then showed 1:1. WOW! $29 incl. US shipping; don't know if they ship overseas. I believe I already posted the URL; if not, start at www.norcalqrp.org and navigate. |
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Re: CW Filter / IRC 500 hz installation
According to the instructions on page 14 of the manual turning
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"Nar" on or off controls either the YF-122C (CW) or the YF-122S (SSB) filter depending on which one you have installed. I don't have the SSB filter, but it's likely that it makes so little difference that it is difficult to tell whether it's on or off! ---- 73, Rich - W3ZJ -----Original Message----- |
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Re: CW Filter / IRC 500 hz installation
--- In FT817@y..., WB4OOJ@A... wrote:
If you set fuction 38 to off I presume that will turn off thefilter. Is this correct? I guess the only reason to do that would to verify thefilter is working...Hi Julio, Yes. Menu 38 set to OFF means that you are using the stock ceramic filter regardless if you have a CW or SSB optional filter installed. If you have the CW filter installed and Menu 38 is set to CW, then you use the stock filter except when mode is CW, CWR, or DIG and NAR is ON. 72 de Barry - W4WB |
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Re: CW Filter / IRC 500 hz installation
I'm surprised that so many people find this confusing. Just like any other
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transceiver, you have the option to turn your narrow filter on or off (use it or not as conditions dictate). Installing a filter does not turn it on, it just makes it available. Use of the, "nar", mode is described on page 14 under, "Front Panel Controls and Switches". ---- 73, Rich - W3ZJ -----Original Message-----
From: Don [mailto:k7ugq@...] Sent: Monday, June 04, 2001 7:07 AM To: FT817@... Subject: Re: [FT817] Re: CW Filter / IRC 500 hz installation I am curious, did switching the NAR allow you to insert the SSB filter? ----- Original Message ----- From: <jerrys@...> To: <FT817@...> Sent: Monday, June 04, 2001 12:09 AM Subject: [FT817] Re: CW Filter / IRC 500 hz installation > THANK YOU THANK YOU BARRY. Too bad the install instructions on page > 74 don't mention that. All is well now. > > Thanks again / 73 > Jerry N9AW > > > > --- In FT817@y..., w4wb@a... wrote: > > Hi Jerry, > > > > Sounds like you may not have turned on the NAR. It is in the > > Operating menu, Row 7, C Key. That should do the trick. > > > > 72 de Barry - W4WB > > > > > > > > --- In FT817@y..., jerrys@e... wrote: > > > Hello FT817 owners, > > > I bought my FT817 at Dayton and finally got it on the air > yesterday > > > (6/2). Today I went to install the 500hz IRC CW filter which I > > also > > > bought at Dayton but it doesn't seem to be working. Yes, I > > changed > > > menu item 38 to CW. Both the CW and OFF positions sound the > > same. > > > When putting the filter menu into the SSB position it sounds > > filtered > > > but it sounds like the CW is partially getting cut off. On SSB > the > > > signals are unintelligible with the filter set to ON (SSB that > > is). > > > Again the SSB signals sounds the same with the filter in the CW > and > > > OFF positions. So it sounds like the filter may be working but > > only > > > when menu item 38 is set to SSB, however, it doesn't sound like > any > > > 500 hz CW filter I have ever heard. > > > > > > I'll be calling IRC tomorrow and I am sure they will either have > > any > > > answer or will ship a new one because they have always given > great > > > service and stood behind their products. > > > > > > I am just wondering if anyone else experienced this > though ???????? > > > > > > 73 > > > Jerry N9AW > > > n9aw@a... > > > > To unsubscribe from this group, send an email to: > FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see > > > > Your use of Yahoo! Groups is subject to > > > Yahoo! Groups Sponsor To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Re: CW Filter / IRC 500 hz installation
If you set fuction 38 to off I presume that will turn off the filter. Is this
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correct? I guess the only reason to do that would to verify the filter is working... Julio <tt> Unlike the CW filter, the SSB filter is always on once to set function 38.<BR> The NAR has no effect on it.<BR> ----- Original Message -----<BR>
From: <jerrys@...><BR> To: <FT817@...><BR> Sent: Sunday, June 03, 2001 11:47 PM<BR> Subject: [FT817] CW Filter / IRC 500 hz installation<BR> <BR> <BR> Hello FT817 owners,<BR>Questions ) see <a href="> p/FT817/database</a><BR> <BR>href="></a><B R> <BR><BR> </tt> <br> <!-- |**|begin egp html banner|**| --> <table border=0 cellspacing=0 cellpadding=2> <tr bgcolor=#FFFFCC> <td align=center><font size="-1" color=#003399><b>Yahoo! Groups Sponsor</b></font></td> </tr> <tr bgcolor=#FFFFFF> <td width=470><a href=" 3108:N/A=662184/? ad:dmad/M=201903.1443829.3021311.1268964/D=egroupmail/S=1700063108:N/A=662184/R= 0/991652321+ target="_top"><img width=468 height=60 src=" alt="Yahoo! Website Services- Click Here!" border=0><br>Yahoo! Website Services- Click Here!</a></td> </tr> <tr><td><img alt="" width=1 height=1 src=" M=201903.1443829.3021311.1268964/D=egroupmail/S=1700063108:N/A=662184/rand=15295 5050"></td></tr> </table> <!-- |**|end egp html banner|**| --> <br> <tt> <BR> To unsubscribe from this group, send an email to:<BR> FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see <a href="> p/FT817/database</a><BR> <BR> </tt> <br> <br> <tt>Your use of Yahoo! Groups is subject to the <a href=">Yahoo! Terms of Service</a>.</tt> </br> |
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Re: CAT-Interface cable
Yup. Only I used 2 transistors, 2 resistors, a DB-9F, and a piece of
Cat5 network cable. I just stuck the appropriate wire into the appropriate hole on the '817's ACC port. Fits (with lots!! of room to spare) on a 1"x2" piece of perfboard. Someday, I will get around to putting it in a box. I'm sure using surface mount components (or maybe just neater construction technique!) you could fit it all in a DB-9 hood. I just bought a Macintosh "Mac to dataswitch" cable which is an 8- wire straight through cable with 8-pin mini-DIN male connectors on each end & am going to replace the Cat5 cable with 1/2 of this one. |
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Re: CAT CTCSS programming info & Cloning Process
--- In FT817@y..., Bryan Nehl - k0emt <k0emt@d...> wrote:
Bob,There must be some misunderstanding here. I am developing FTBasic for a number of reasons; one is because I enjoy ham radio and programming, but another is that I am trying to supplement my income so as to better support me and mine. The investment in time and effort has been, and remains significant. Would you be willing to share what you have found out aboutSorry, but no. I am currently working with another individual to develop aI wish you well in your efforts with Linux. I don't wish to appear rude, but by putting things plainly I hope to clarify the position. Bob G4HFQ |
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Programming Software
I've played with all three, RT, FTBasic and RATS. We're close, but
not there yet. RATS has the best GUI, bar none, but lacks the memory management that RT says is their forte, but alas is not, because FTBasic has the best memory management, but lacks the finesse of RATS! I nearly went nuts with RT's software this weekend. Here is my e-mail to them, incase anyone has encountered the same problems: "I loaded up the latest version of the software (May 29) and it is still loaded with bugs. Shift+Ins and Shift+Del don't work. If you are trying to format your memories for group recall, the software fills in the remaining empty memories with the last entry or the first entry in the new group. For example, in group 2 I have one freq stored 53.330. My next memory group starts at 41, and I entered 146.76. All of the memories between 22 and 40 have been filled in with 53.330! Next, I went into the editor, and "deleted" and on the second attempt "cleared" and whatever I could do to get rid of them and saved. Screen showed cleared, but when I downloaded to radio they were still there! I saved all my corrections, and guess what? When I rebooted the software and opened my saved file, none of my changes (deletions and insertions) were saved! I tried this a number of times. When I signed on, I didn't know it was as a beta tester, but nevertheless, we're in it till it right, so... next version please!" I enjoy playing with the RATS software. It is a smooth running intuitive piece of software which is advertised as Beta! However it was FTBasic that got my memories the way I wanted them... Neat if we could get all the features into one package... stupid me, stupid me... W1TMD |
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SSB Filter Selection - Performance
--- In FT817@y..., "Don" <k7ugq@h...> wrote:
I am curious, did switching the NAR allow you to insert the SSBfilter? Hi Don, Jerry was installing the CW filter. NAR only works if the CW filter is installed and CW is selected in Menu 38. (NAR also is used to switch from wide to narrow FM deviation.) If you install the SSB filter, the SSB filter is switched in and out via Menu 38. NAR does nothing. I have both filters (but not in the rig at the same time regrettably). The SSB filter is a 10-pole Collins mechanical filter and is very nice. It is very flat over the passband unlike the stock ceramic filter. Don't expect dramatic changes like you observe with the CW filter. The SSB filter effectively boosts the lows and highs (the stock filter rolls off the highs and lows) and cuts off the very lows and highs that the stock filter passes. To really appreciate the filter, I found that using the SP-8 speaker makes a "big" difference. Although I have not had time to get a audio review by the "178" group, initial reports are that the audio is clearer, sounds some better, etc. Another result of the flat passband it that the output is more constant in the PSK mode as you move about the passband. If there is interest, I can post more data about the SSB filter. Perhaps you and I are the only two having this filter! 72 de Barry - W4WB |
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Re: Missing RX coverage on EU models
Lars Myrthu Rasmussen \(OZ1HMN\)
Also a delivery problem in Denmark.
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----- Original Message -----
From: "Johan Bodin" <sm6lkm.jbeab@...> To: <FT817@...> Sent: Monday, June 04, 2001 1:10 PM Subject: [FT817] Missing RX coverage on EU models Hi AllXmas eve... When I asked the swedish dealer about possible delivery date, the answerwas "we don't know..."... Sweden's priority seems to be between zero and nilat Yaesu :~( band... (It's legal to listen to any band here in Sweden.)ball configuration of US/European/Japanese versions?Questions ) see
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QRP "more challenging" at sunspot minimum?
Paul R. Valko
On Mon, 4 Jun 2001 w4wb@... wrote:
Notice that most [rigs] have a lifeNear the bottom of the last cycle, I bought a couple transverters for 6M and 2M as well as an old Kenwood TR-9500 UHF all-mode rig. It was fun to work VHF/UHF during the minimum. About four years ago, I replaced all that stuff with an FT-847. The FT-817 already has 6M, 2M and UHF and since (most) vhf ops use an amp and big beams anyways... the 817 will work just great! By the way... maybe QRP DXing is more difficult during the sunspot minimum, but as we say on the QRP-L reflector, '40's always open.' 40 meters, that is. Everyone have a great week. I finally got my dipole back up yesterday after having the roof replaced and I'm having a blast with the 817. 73! =paul= W8KC Collector of Ten*Tecs and other fine plastics. Visit the Virtual Ten*Tec Museum at: <> |
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