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Re: Antennas
Didier Juges
I have not tried them, but I don't think I will. I think they are too
small, with too many traps to be effective. For the money, you'll be certainly much better off with a random length single wire against ground, or a random length dipole with balun (no ground) and in both cases an antenna tuner, such as the small LDG Z-11. This will be also much easier to package, more rugged and considerably more efficient. This is my $0.02 73, Didier/KO4BB At 07:17 PM 07/14/2003 -0400, you wrote: M ighty F ine J unk???Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appearanywhere on the Internet or in print without notice or compensation. Questions ) see Some really good technical info at:anywhere on the Internet or in print without notice or compensation.
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Memory management software?
Hi, all! While surfing the web, I've found programs to manage the
memories in various transceivers. Besides performing the usual memory management functions (modify memory contents, clone them, save them to disk and the like), some can be used to read and write the data to a .csv file that can be manipulated by other programs. Does anyone know of such a program for the FT-817? I'd really love to be able to import and export my memory data to a spreadsheet! Thanks, and 73! Joe KB6WIJ |
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Re: Antennas
Don
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-----Original Message-----
From: IamSF5@... [mailto:IamSF5@...] Sent: Monday, July 14, 2003 8:01 PM To: FT817@... Subject: Re: [FT817] Antennas In a message dated 7/14/03 7:03:49 PM Eastern Daylight Time, mcginnis@... writes: << I see that MFJ has a couple walk about antennas for sale - one is 6m to 80 and the others are single banders. How well do they work and are they worth the dollars??? Todd >> Todd, The MFJ antenna is a copy of the B&W window mount antenna. The only thing MFJ did was add what they call a balun at the feed point. The coil is mounted on the mount and the mount is a part of the counter poise. They work but you can make a big improvement by adding a 2 foot rod below the coil and insulate it from the mounting bracket. [Don] BTW, the antenna he is asking about is the MFT-1899. It is made/marketed by Waters and Stanton in the UK. That is the Walkabout. The B&W is a window sill/mount antenna as you say but not a walkabout. The mono-banders are similar to the Maldol. Off topic! a bit quick on the trigger finger I'd say. The poster may be running an FT-817 although he did not say so, because his interest was focused on the antenna more that the rig. Yahoo! Groups Sponsor ADVERTISEMENT To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appear anywhere on the Internet or in print without notice or compensation. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Re: Antennas
Dave Edwards
M ighty F ine J unk???
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'nuff said ...Dave ----- Original Message -----
From: gamcginnis To: FT817@... Sent: Monday, July 14, 2003 1:16 PM Subject: [FT817] Antennas I see that MFJ has a couple walk about antennas for sale - one is 6m to 80 and the others are single banders. How well do they work and are they worth the dollars??? Todd Yahoo! Groups Sponsor ADVERTISEMENT To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appear anywhere on the Internet or in print without notice or compensation. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Re: FT-817 and D-104
Hi Mike,
Generally, the old Astatic D104s have a high-impedance crystal-type mic element in them. The fact that they've been used for years says something about their value over time, IMHO. There was also a version that had a pre-amp that, among other things, made the D104 into a low-impedance mic, which will match most modern day tranceivers. I have one of the newer retro-versions which I converted to use with a Heil element. If you've got one of the non-preamp'd D104s, then all you'll have to do is remove the old element and replace it with either Heil cartridge. I kept the packing material around the original element, used some double-sided tape and installed the Heil element on the back side of the mic head, soldered the wires and let it go. Currently its running on the Kenwood TS2K I use in the QTH and I get nice reports. If you're using the FT-817 at home this looks cool, if nothing else. Unless someone's messed around with the PTT wiring, that should be about all you have to do to get it going. Hope that helps. Cheers, David/KG6IRW --- In FT817@..., "Mike Jenkins" <k4mnj@i...> wrote: I got a good deal on an old D-104 at a hamfest this weekend. Themicrophone?
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Display failing?
Juan A. Bertolin (EA5XQ)
Hi,
Since some days ago (to be honest I did not realize until a week or so and now I'm always seeing it) I realized that the display, in the mode SMALL characters and when characters such are 1, 4, 5, in the lowest part seems to appear a vertical mark. I mean (it is not very easy to explain it in English, sorry) for instance, if I have the frequency 14.100 in the display below the 1, 4 and 1 will appear a small and not very bright vertical mark (|), when you change the number to other the mark disappears. Is the display failing? If it is not clear the explanation, please let me know and I will try to be more concise. Thanks 73s Juan, EA5XQ ----------------------------------------------------------------------------------------------------------------------------- EA5XQ, QRA:Juan, QTH:Almazora, LOC:IM99XW MEMBER OF/MIEMBRO DE: URE (www.ure.es) y/and SLUREVILL (Secci¨®n Local URE Villarreal - ) CLUBS: G-QRP #9805, QRP-L #1461, EA-QRP #471, EACW #309 E-MAIL: ea5xq@... MSMESSENGER: ea5xq_Juan@... WEB SITE: (english version in ) ----------------------------------------------------------------------------------------------------------------------------- [Non-text portions of this message have been removed] |
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Re: FT-817 and D-104
In a message dated 7/14/03 6:58:57 PM Eastern Daylight Time, kg6irw@...
writes: << I have one of the newer retro-versions which I converted to use with a Heil element. If you've got one of the non-preamp'd D104s, then all you'll have to do is remove the old element and replace it with either Heil cartridge. I kept the packing material around the original element, used some double-sided tape and installed the Heil element on the back side of the mic head, soldered the wires and let it go. Currently its running on the Kenwood TS2K I use in the QTH and I get nice reports. If you're using the FT-817 at home this looks cool, if nothing else. Unless someone's messed around with the PTT wiring, that should be about all you have to do to get it going. Hope that helps. Cheers, David/KG6IRW >> Hi Gang, I was just wanting to know why someone would buy a very small radio then fit it up with a *BIG* MIC. I was told they don't work well but I never bothered to see how they sound with a new solid state rig. I have a new never used D-104 i'm selling if this is what you FT-817 owners consider a mod. No plug on it and it has a Amp with some switches on the bottom. Mail me direct for more info. 73 Bob AF2Q |
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Re: Antennas
In a message dated 7/14/03 7:03:49 PM Eastern Daylight Time,
mcginnis@... writes: << I see that MFJ has a couple walk about antennas for sale - one is 6m to 80 and the others are single banders. How well do they work and are they worth the dollars??? Todd >> Todd, The MFJ antenna is a copy of the B&W window mount antenna. The only thing MFJ did was add what they call a balun at the feed point. The coil is mounted on the mount and the mount is a part of the counter poise. They work but you can make a big improvement by adding a 2 foot rod below the coil and insulate it from the mounting bracket. Since this is somewhat off topic I suggest that you go to the HFpack yagoogroups. Almost everyone there is running the FT-817 and all types of so called pedestrian/mobile/bike/wheel chair antennas. Hope this helps Bob AF2Q |
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Re: Display failing?
Didier Juges
Is the display working normally when used in the large display mode?
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Are the other icons and the soft keys above the menu keys working also? Please note that the following is what I have observed on LCD displays in general, but I am not 100% sure the FT-817 display is configured the same way. Usually, these kinds of display problems are due to bad connection between the LCD and the PWB underneath it. The connection between the LCD and the PWB is usually made with a special type of rubber that conducts electricity only in the vertical direction (between the LCD and the PWB), so to speak, and not lateraly, so that adjacent contacts are not shorted. It is relatively difficult to properly align the LCD and PWB and sometimes a small shock can misalign the two. If this is the problem, the affected LCD elements would not work regardless of what mode the display is in. It is difficult, but not impossible to realign the 2, if you are careful. A more serious problem would be the glass of the LCD itself that is cracked, as a result of dropping the unit. The symptoms are the same as a misaligned LCD, but it is obviously is a more serious problem that will require replacing the entire display assembly. In my experience, that is the more likely failure. If some segments do not work under certain conditions but work under other condition, that would point also to another severe problem that may also require to replace the entire display PWB assembly. Didier/KO4BB At 02:15 PM 7/14/2003 -0700, you wrote:
Hi, |
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Re: FT-817 and D-104
Dave Edwards
"Lollipop" mic.
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Been around since...I dunno... the twenties or so More than not, the best mic you can use on most rigs. I used one in the '70s on a TS520, and have one now on a 756Pro. Far surpasses the Heil I had. I also use one on a TR7, and other Drake gear. ...Dave ----- Original Message -----
From: bfgaffneyjr To: FT817@... Sent: Sunday, July 13, 2003 11:05 PM Subject: [FT817] Re: FT-817 and D-104 What's a "D-104"?? 72 de N8PVZ ---bernie --- In FT817@..., "Mike Jenkins" <k4mnj@i...> wrote: > > I got a good deal on an old D-104 at a hamfest this weekend. The > D104 is the 3-wire version without the amplifier. > Yahoo! Groups Sponsor ADVERTISEMENT To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appear anywhere on the Internet or in print without notice or compensation. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Re: disappointment !!!!
Demetre Koumanakos
Hi Tim,
About an hour after I posted the original "disappointment", I was sent a direct e-mail (thanks OM for the tip) suggesting I try the "service reset" which I did and now the radio works fine... The "new rig" smile in now back on my face !!! My rig was FRQ converted by the factory, I suppose they forgot to reset the cpu afterwards... This morning I received my Z-11 autotuner and I'm now ready to QRP everywhere I go !!! 73 Demetre - SV1ENS --- In FT817@..., "n9hmg" <n9hmg@y...> wrote: --- In FT817@..., Demetre Koumanakos <sv1ens@p...>wrote: disappointment !!!!Hi all, the "MODE, A, B, & C" buttons don't work...That's the first one I've ever heard of that didn't work well right |
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Re: [ Re: FT-817 and D-104]
The original was a crystal mic and later it was a dynamic mic with a volume control. This later version was popular with CBers. I have an old old one wired for my FT-102. I get lots of compliments on the audio. To me it is too giant a mic to be using with my little FT817. The web is full of articles on this old classic....try google.
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73, Larry W7DGP ----- Original Message -----
From: Michael Goins To: FT817@... Sent: Sunday, July 13, 2003 8:35 PM Subject: Re: [[FT817] Re: FT-817 and D-104] What's a "D-104"?? older style mike, for a home station. CB's loved them in the 80's and htey were sometimes called chicken chokers. Several different models were made, including an amplified version and a crystal version. 72, mike wb5yjx 100% Solar station: SW20+, SW30+, NE4040, RockMite40 Mobile: FT-817 @ 1 watt, CW and SSB QRP-ARCI 3922 (former managing editor, QRP Quarterly), SOC 54, Flying Pig 447, QRP-L 2130, Adventure Radio 810, Alaska QRP 514, QCWA 30857 "Share what you know, learn what you don't." To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appear anywhere on the Internet or in print without notice or compensation. Your use of Yahoo! Groups is subject to |
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Re: [ Re: FT-817 and D-104]
Michael Goins
What's a "D-104"??
older style mike, for a home station. CB's loved them in the 80's and htey were sometimes called chicken chokers. Several different models were made, including an amplified version and a crystal version. 72, mike wb5yjx 100% Solar station: SW20+, SW30+, NE4040, RockMite40 Mobile: FT-817 @ 1 watt, CW and SSB QRP-ARCI 3922 (former managing editor, QRP Quarterly), SOC 54, Flying Pig 447, QRP-L 2130, Adventure Radio 810, Alaska QRP 514, QCWA 30857 "Share what you know, learn what you don't." |
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Re: disappointment !!!!
--- In FT817@..., Demetre Koumanakos <sv1ens@p...> wrote:
Hi all,That's the first one I've ever heard of that didn't work well right out of the box. Some people blow finals (mine havesurvived terrible abuse (and continue to do so)). I guess it was bound to happen to somebody someday. Sorry it was you. 73, tim |
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Re: Power shuts off during transmit
--- In FT817@..., "styercpd" <styercpd@y...> wrote:
I have an interesting problem with my 817 where it shuts off when Itry to transmitt on 2 meters. At first I thought it was just the low powerof the batteries but it still does it when I hook it up to my radioshack 3w regulatedpower supply. I tried it at both 5 and 2.5 watts and it shuts downwhenever I hit ptt. At A three watt power supply just isn't going to cut it, even at 2.5W, as the finals are not 100% efficiency, and there is overhead to boot. You take all the power available, voltage drops below minimum, and the rig shuts off. I will say that the rig gets there a bit fast for my taste on alkalines, but we have to be realistic. I'd definitely get a friend to listen carefully to your signal when you're operating 500mw with that 3W PS, as supplies that small usually don't have a lot of filtering - you're probably putting out a bit of a hum. Now, that 3W PS is perfectly adequate for low duty cycle use in conjunction with a gel cell (sealed lead-acid) battery. As long as the battery is near 100% charge, you won't be getting down into the ripple much, and if it is getting in, choke it. Choke it anyway, if you have one handy. With that setup, with good connectors, you are then set up to grab the gel cell along with the rig and have a competent portable station. 73, tim |
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Re: FT-817 and D-104
bfgaffneyjr
What's a "D-104"??
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72 de N8PVZ ---bernie --- In FT817@..., "Mike Jenkins" <k4mnj@i...> wrote:
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Re: Tape Measure Dipole
Michael Colvin
I thought I remembered seeing an article on the Internet about a Tape
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Measure Dipole. I did a search and found it at . This is a pretty nice article, complete with pictures and enough information to be able to replicate it, or make something similar. Michael Colvin, W6CUJ w6cuj@... for amateur radio correspondence mcolvin@... for genealogy-related mail mcolvin@... for everything else. See the Colvin Family History web site at "Pay no attention to the man behind the curtain!" ----- Original Message -----
From: "rudeparts" <rupertgo@...> To: <FT817@...> Sent: Sunday, July 13, 2003 2:31 PM Subject: [FT817] Re: Tape Measure Dipole --- In FT817@..., Gerry Wheeler KG4NBB <gwheelerx@q...>Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appearanywhere on the Internet or in print without notice or compensation.
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