Re: Rig Control SW with FT817
I use the Digirig with my 857D which is similar.? You will find that the cables used from the Digirig to the radio are generic Ft-8XX
?I find they have a forum and often cover such questions.
Try :
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Technical Details: Yaesu FT-817, DigiRig (COM3) WinLink Packet P2P using Soundmodem Having a tough time getting WinLink configured to use the DigiRig and the FT817. I can get the setup to receive, but it will not transmit. I am certain it is a simple matter,
but after hours of reading over the last three months, I have not come across the information that would get me running. Working with ...
forum.digirig.net
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I don't know if this will answer all your questions.? It should give you a good start.
Dave?
AE7EF
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I am interested in the Digirig interface. I want to interface with N3FJP logger and Winlink Express using Windows 10. How do I go about that with the Digirig Mobile device and FT817?
Emmett - WA5EWN
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Re: Collins Mechanical Filter
Sorry, I meant to type SSB on menu 38
Jerry Ki4ps
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On Apr 22, 2025, at 2:24?AM, Robert Watson via groups.io <wa7son@...> wrote:
Have you enabled the filter in the 818 settings? It gives a choice between SSB and CW. I do not know the menu number, as I own the FT-817ND, not a FT-818ND.
Hope this helps.
Robert Watson || WA7SON wa7son@...
On Tuesday, April 22, 2025 at 01:55:29 AM EDT, Eric van de Weyer <groups.io@...> wrote:
Hi Paul, ?
Did you try putting the filter from the good radio into the other to see if it works in there or putting the new filter into the radio with the known good filter to see if it works there or not. That would be the first obvious thing I would be trying before sending it back as faulty. When you ave two radios it is easy to swap things to see if the other radio has the same symptoms. ?
73….Eric VK2VE. ?
?
Can any of you give me a suggestion on what might be going on with one of my FT-818nd radio. I have two 818nd Radios but only one has a Collins Mechanical 500Hz CW Filter. I wanted to add one to the other radio so I bought one on eBay. It’s the same as the other which is the XF-115C. It’s my understanding that this filter is compatible with the ND versions of the 818/817. It says Collins Mechanical and Yaesu on the Filter. It was said to have been tested and 颈迟’蝉 500 Hz. The same filter works perfectly on my other radio. After installing the filter (all the menu settings are correct) I did not hear the distinct change in sound when turning on the filter (NAR). I assumed the filter was bad and returned it. I bought another from a different vendor. Same XF-115C Filter. Same problem. This radio is virtually literally brand new. I bought it from HRO when Yaesu announced the end of the 817/818 and am just now getting around to using it. It seems unlikely that both filters could be bad and also unlikely to be the radio as 颈迟’蝉 brand new. When I turn on the filter (press NAR) I hear the click, no error messages but the sound doesn’t change in the way 颈迟’蝉 supposed to and as it does on the other radio. Sorry for the long question. Anyone have any ideas on what might be wrong?
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Re: Collins Mechanical Filter
You have to select the filter on the 818 in menu 38. ?It gives you the option of cw or sub.
Jerry
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On Apr 22, 2025, at 2:24?AM, Robert Watson via groups.io <wa7son@...> wrote:
Have you enabled the filter in the 818 settings? It gives a choice between SSB and CW. I do not know the menu number, as I own the FT-817ND, not a FT-818ND.
Hope this helps.
Robert Watson || WA7SON wa7son@...
On Tuesday, April 22, 2025 at 01:55:29 AM EDT, Eric van de Weyer <groups.io@...> wrote:
Hi Paul, ?
Did you try putting the filter from the good radio into the other to see if it works in there or putting the new filter into the radio with the known good filter to see if it works there or not. That would be the first obvious thing I would be trying before sending it back as faulty. When you ave two radios it is easy to swap things to see if the other radio has the same symptoms. ?
73….Eric VK2VE. ?
?
Can any of you give me a suggestion on what might be going on with one of my FT-818nd radio. I have two 818nd Radios but only one has a Collins Mechanical 500Hz CW Filter. I wanted to add one to the other radio so I bought one on eBay. It’s the same as the other which is the XF-115C. It’s my understanding that this filter is compatible with the ND versions of the 818/817. It says Collins Mechanical and Yaesu on the Filter. It was said to have been tested and 颈迟’蝉 500 Hz. The same filter works perfectly on my other radio. After installing the filter (all the menu settings are correct) I did not hear the distinct change in sound when turning on the filter (NAR). I assumed the filter was bad and returned it. I bought another from a different vendor. Same XF-115C Filter. Same problem. This radio is virtually literally brand new. I bought it from HRO when Yaesu announced the end of the 817/818 and am just now getting around to using it. It seems unlikely that both filters could be bad and also unlikely to be the radio as 颈迟’蝉 brand new. When I turn on the filter (press NAR) I hear the click, no error messages but the sound doesn’t change in the way 颈迟’蝉 supposed to and as it does on the other radio. Sorry for the long question. Anyone have any ideas on what might be wrong?
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Re: Collins Mechanical Filter
Have you enabled the filter in the 818 settings? It gives a choice between SSB and CW. I do not know the menu number, as I own the FT-817ND, not a FT-818ND.
Hope this helps.
Robert Watson || WA7SON wa7son@...
On Tuesday, April 22, 2025 at 01:55:29 AM EDT, Eric van de Weyer <groups.io@...> wrote:
Hi Paul, ? Did you try putting the filter from the good radio into the other to see if it works in there or putting the new filter into the radio with the known good filter to see if it works there or not. That would be the first obvious thing I would be trying before sending it back as faulty. When you ave two radios it is easy to swap things to see if the other radio has the same symptoms. ? 73….Eric VK2VE. ?
From: [email protected] <[email protected]> On Behalf Of C. Paul Patsis via groups.io
Sent: Tuesday, 22 April 2025 15:37
To: [email protected]
Subject: [ft817] Collins Mechanical Filter ? Can any of you give me a suggestion on what might be going on with one of my FT-818nd radio. I have two 818nd Radios but only one has a Collins Mechanical 500Hz CW Filter. I wanted to add one to the other radio so I bought one on eBay. It’s the same as the other which is the XF-115C. It’s my understanding that this filter is compatible with the ND versions of the 818/817. It says Collins Mechanical and Yaesu on the Filter. It was said to have been tested and 颈迟’蝉 500 Hz. The same filter works perfectly on my other radio. After installing the filter (all the menu settings are correct) I did not hear the distinct change in sound when turning on the filter (NAR). I assumed the filter was bad and returned it. I bought another from a different vendor. Same XF-115C Filter. Same problem. This radio is virtually literally brand new. I bought it from HRO when Yaesu announced the end of the 817/818 and am just now getting around to using it. It seems unlikely that both filters could be bad and also unlikely to be the radio as 颈迟’蝉 brand new. When I turn on the filter (press NAR) I hear the click, no error messages but the sound doesn’t change in the way 颈迟’蝉 supposed to and as it does on the other radio. Sorry for the long question. Anyone have any ideas on what might be wrong?
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Re: Collins Mechanical Filter
Hi Paul, ? Did you try putting the filter from the good radio into the other to see if it works in there or putting the new filter into the radio with the known good filter to see if it works there or not. That would be the first obvious thing I would be trying before sending it back as faulty. When you ave two radios it is easy to swap things to see if the other radio has the same symptoms. ? 73….Eric VK2VE. ?
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Show quoted text
From: [email protected] <[email protected]> On Behalf Of C. Paul Patsis via groups.io
Sent: Tuesday, 22 April 2025 15:37
To: [email protected]
Subject: [ft817] Collins Mechanical Filter? Can any of you give me a suggestion on what might be going on with one of my FT-818nd radio. I have two 818nd Radios but only one has a Collins Mechanical 500Hz CW Filter. I wanted to add one to the other radio so I bought one on eBay. It’s the same as the other which is the XF-115C. It’s my understanding that this filter is compatible with the ND versions of the 818/817. It says Collins Mechanical and Yaesu on the Filter. It was said to have been tested and 颈迟’蝉 500 Hz. The same filter works perfectly on my other radio. After installing the filter (all the menu settings are correct) I did not hear the distinct change in sound when turning on the filter (NAR). I assumed the filter was bad and returned it. I bought another from a different vendor. Same XF-115C Filter. Same problem. This radio is virtually literally brand new. I bought it from HRO when Yaesu announced the end of the 817/818 and am just now getting around to using it. It seems unlikely that both filters could be bad and also unlikely to be the radio as 颈迟’蝉 brand new. When I turn on the filter (press NAR) I hear the click, no error messages but the sound doesn’t change in the way 颈迟’蝉 supposed to and as it does on the other radio. Sorry for the long question. Anyone have any ideas on what might be wrong?
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Collins Mechanical Filter
Can any of you give me a suggestion on what might be going on with one of my FT-818nd radio. I have two 818nd Radios but only one has a Collins Mechanical 500Hz CW Filter. I wanted to add one to the other radio so I bought one on eBay. It’s the same as the other which is the XF-115C. It’s my understanding that this filter is compatible with the ND versions of the 818/817. It says Collins Mechanical and Yaesu on the Filter. It was said to have been tested and 颈迟’蝉 500 Hz. The same filter works perfectly on my other radio. After installing the filter (all the menu settings are correct) I did not hear the distinct change in sound when turning on the filter (NAR). I assumed the filter was bad and returned it. I bought another from a different vendor. Same XF-115C Filter. Same problem. This radio is virtually literally brand new. I bought it from HRO when Yaesu announced the end of the 817/818 and am just now getting around to using it. It seems unlikely that both filters could be bad and also unlikely to be the radio as 颈迟’蝉 brand new. When I turn on the filter (press NAR) I hear the click, no error messages but the sound doesn’t change in the way 颈迟’蝉 supposed to and as it does on the other radio. Sorry for the long question. Anyone have any ideas on what might be wrong?
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Re: Operating CW without Microphone- how to add FST button?
Even easier!
I keep a few of these RJ45 breakout boards around -
--
Jeff, KN8A
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Re: Operating CW without Microphone- how to add FST button?
The other trick is to program memories with some spaced frequencies in order for the bands you operate.
72 de Bryan, k0emt
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On Apr 20, 2025, at 14:14, Mike Dinolfo via groups.io <mdinolfo@...> wrote:
?I use my FT-817 almost exclusively in CW mode, but I get irritated at having to have the microphone available in in order to change the "FST" status (10 hz vs 100 hz tuning resolution). So I want to modify the FT-817 chassis/case to have a permanently installed momentary contact "FST" button.
If anyone has done this, please share how you did it. Part number(s)/source for a suitable pushbutton switch? And any installation photo(s) would be great!
I have examined the FT-817 service manual and I know where to make the connections at the microphone jack for a "FST" pushbutton.
Thanks in advance for any suggestions.
Mike N4MWP
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Re: Operating CW without Microphone- how to add FST button?
Lou:
Thanks, this is a good suggestion.?
I'll give it some thought.
Mike N4MWP
On 4/20/25 18:42, Lou Blasco via
groups.io wrote:
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Hi,
I'd cut a few inches off an ethernet cable, solder a small
push button switch onto the wires then add some heat shrink
tubing to hold it together. Much better than drilling a hole
in the radio IMO.
Mike
AD9CA:
Good point about the up/down buttons versatility.? But I can
get by
without up/down buttons, and I usually use? a straight key.
Thanks for your response!
Mike N4MWP
On 4/20/25 14:36, mike mcglashon via wrote:
> Hi Mike:
> I cannot answer your question regarding the fst button;
but,
> I too use my 817 mostly in cw mode; and,
> I often use the up and down buttons on the mic to run cw.
> I do this because I do not want to take my keyers out to
the park or any where else I may be portable at.
>
>
> Please advise as you like.
>
> Mike M.
>
> Mike mcglashon
> AD9CA
> Email: Michael.mcglashon@...
> Ph: 618 783 9331
>
> -----Original Message-----
> From: [email protected]
<[email protected]>
On Behalf Of Mike Dinolfo via
> Sent: Sunday, April 20, 2025 1:15 PM
> To: [email protected]
> Subject: [ft817] Operating CW without Microphone- how to
add FST button?
>
> I use my FT-817 almost exclusively in CW mode, but I get
irritated at having to have the microphone available in in
order to change the "FST" status (10 hz vs 100 hz tuning
resolution).? So I want to modify the FT-817 chassis/case to
have a permanently installed momentary contact "FST" button.
>
> If anyone has done this, please share how you did it.?
Part number(s)/source for a suitable pushbutton switch?? And
any installation photo(s) would be great!
>
> I have examined the FT-817 service manual and I know
where to make the connections at the microphone jack for a
"FST" pushbutton.
>
> Thanks in advance for any suggestions.
>
> Mike N4MWP
>
>
>
>
>
>
>
>
>
>
>
|
Re: Operating CW without Microphone- how to add FST button?
Hi,
I'd cut a few inches off an ethernet cable, solder a small push button switch onto the wires then add some heat shrink tubing to hold it together. Much better than drilling a hole in the radio IMO.
Mike AD9CA:
Good point about the up/down buttons versatility.? But I can get by
without up/down buttons, and I usually use? a straight key.
Thanks for your response!
Mike N4MWP
On 4/20/25 14:36, mike mcglashon via wrote:
> Hi Mike:
> I cannot answer your question regarding the fst button; but,
> I too use my 817 mostly in cw mode; and,
> I often use the up and down buttons on the mic to run cw.
> I do this because I do not want to take my keyers out to the park or any where else I may be portable at.
>
>
> Please advise as you like.
>
> Mike M.
>
> Mike mcglashon
> AD9CA
> Email: Michael.mcglashon@...
> Ph: 618 783 9331
>
> -----Original Message-----
> From: [email protected] <[email protected]> On Behalf Of Mike Dinolfo via
> Sent: Sunday, April 20, 2025 1:15 PM
> To: [email protected]
> Subject: [ft817] Operating CW without Microphone- how to add FST button?
>
> I use my FT-817 almost exclusively in CW mode, but I get irritated at having to have the microphone available in in order to change the "FST" status (10 hz vs 100 hz tuning resolution).? So I want to modify the FT-817 chassis/case to have a permanently installed momentary contact "FST" button.
>
> If anyone has done this, please share how you did it.? Part number(s)/source for a suitable pushbutton switch?? And any installation photo(s) would be great!
>
> I have examined the FT-817 service manual and I know where to make the connections at the microphone jack for a "FST" pushbutton.
>
> Thanks in advance for any suggestions.
>
> Mike N4MWP
>
>
>
>
>
>
>
>
>
>
>
|
Re: Operating CW without Microphone- how to add FST button?
What about setting the “SSB STEP” to 5kHz and fast QSY with the SEL knob?
// HIRO, JJ1FXF
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Re: Operating CW without Microphone- how to add FST button?
Mike AD9CA:
Good point about the up/down buttons versatility.? But I can get by
without up/down buttons, and I usually use? a straight key.
Thanks for your response!
Mike N4MWP
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Show quoted text
On 4/20/25 14:36, mike mcglashon via groups.io wrote: Hi Mike:
I cannot answer your question regarding the fst button; but,
I too use my 817 mostly in cw mode; and,
I often use the up and down buttons on the mic to run cw.
I do this because I do not want to take my keyers out to the park or any where else I may be portable at.
Please advise as you like.
Mike M.
Mike mcglashon
AD9CA
Email: Michael.mcglashon@...
Ph: 618 783 9331
-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Mike Dinolfo via groups.io
Sent: Sunday, April 20, 2025 1:15 PM
To: [email protected]
Subject: [ft817] Operating CW without Microphone- how to add FST button?
I use my FT-817 almost exclusively in CW mode, but I get irritated at having to have the microphone available in in order to change the "FST" status (10 hz vs 100 hz tuning resolution). So I want to modify the FT-817 chassis/case to have a permanently installed momentary contact "FST" button.
If anyone has done this, please share how you did it. Part number(s)/source for a suitable pushbutton switch? And any installation photo(s) would be great!
I have examined the FT-817 service manual and I know where to make the connections at the microphone jack for a "FST" pushbutton.
Thanks in advance for any suggestions.
Mike N4MWP
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Yes can use either front BNC or rear SO239 connectors for any band.? Only issue I understand is there is internal relay that is set for the connector selected meaning the relay is drawing power when energized.? I think it is energized when the rear connector is selected.
73, ron, n9ee
73, ron, n9ee/r Ron Wright, N9EE/R Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...
On Saturday, April 19, 2025 at 01:37:17 PM EDT, C. Paul Patsis via groups.io <cpaulpatsis@...> wrote:
Does it matter which antenna port you use for VHF/UHF versus HF. In other words (assuming the proper connector) can you use the rear HF Connector for VHF??
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I changed the SO239 on my original FT-817 for an N socket. The 2-hole mounting Ns are a bit rare but available on Ebay in the UK.? I haven't noticed any difference but I feel good about it.
73,
John G4EDX
The relay draws 30 mA/hr and on full "QRO Operation" at 5 watts output the radio draws 2 A/hr when TX, markedly less on RX (250-450 mA/hr) per published Mfg specs. See:?
It's on the order of a couple percent of increase in power consumption, which my back of envelope calculations put at about one minute of lost operating time for every hour of battery life. If a battery pack gives you 4 hours of operating time off the front panel BNC antenna connection then by choosing to use the rear SO-239 your operating time dropped to 3 hours 55 minutes, is that really 'significant'?
I guess, maybe, to some, but the average user, since we started using the latest battery technologies and not relied on a tray of AA NIMH cells in the internal battery tray to power the radio can easily carry an external battery that can provide more than enough battery life to satisfy their use requirements/desires and afford them the luxury of using the antenna connection that best suits their feedline connector without worrying about the power consumed by the antenna relay.
(I imagine the early FT-817 owners, 'back in the day' worked very hard to squeeze maximum use out of the rechargeable batteries that the radio used, much like the scene in the HBO series "From the Earth to the Moon" where NASA engineers were trying to find a way to stretch the useful life of the battery on a struggling Apollo 13 mission - see:??- but we live in a different world full of windcamp and external LiFePO4 batteries today...)
It is a difference, I'm glad it's documented, and while I personally don't find it 'significant', I will acknowledge that some hold a different opinion.
My $0.02,
Ken, N2VIP On Apr 19, 2025, at 22:50, Eric van de Weyer <groups.io@...> wrote:
? Hi Paul, ? Yes, the relay is activated for the rear (SO239) socket and deactivated for the front (BNC) socket. ? From memory the current drain of the relay is in the region of 30 mA so this can affect the runtime available on a charge when using the rear socket. ? If you’re running off external power, of course, the drain of the relay is insignificant but when running on the internal battery it can become a significant extra drain, shortening the battery life and hence operating time. ? ? ? Paul, There is a difference, but it is a tiny difference, not really worth mentioning - depending on the antenna port you select a relay inside the radio will either be energized or not. It consumes a trivial amount of energy (in my opinion), but it is a difference. I'll leave it for another list member to specify which antenna port increases power consumption - I'm too lazy to look it up, and I don't want to say the wrong thing... And as was noted already, be sure and specify to the radio which antenna connection you are using. ? ? Does it matter which antenna port you use for VHF/UHF versus HF. In other words (assuming the proper connector) can you use the rear HF Connector for VHF??
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Thanks to all. ?Much appreciated. You guys are really good! I thought I would offer up a little background as to why I asked the question in the first place. I have a few FT-818nd radios. It remains my favorite even though I have other more modern and more expensive radios like Elecraft and Icom. I decided to setup one of my radios in an ARMOLOQ Pack Frame. The radio in the ARMOLOQ Frame is placed inside a PRC-117 Bag with a Bioenno 3AH battery underneath. The Windcamp Battery has also been added and the power connector adapted to use the PowerPole Connector. I relocated all the connections (CW; SO-239; RJ-45) ?to the front. In this setup the radio is best use in a ?"vertical" operation. I asked the question about antenna ports because with the ARMOLOQ setup you cannot use a right angle adapter on the front BNC Connector because the "cage" is in the way. Therefore you can't lay the radio on its side to operate. As a result some folks relocate the Front BNC also so that it is off the radio and on the cage. In that way you can use a right angle adapter. It is a bit clunky because the relocation cable is in the way of the front of the radio. I tried a BNC to BNC Jumper and was getting drop outs and more static. I determined the cable was the problem. If you use the heavy duty cable from ARMOLOQ it cannot be routed to the rear and out of the what so I switched to a less robust jumper cable. That cable was the problem. After this experience it occurred to me that this was a wasted effort to try and relocate the front BNC because when I relocated the SO-239 to the front I terminated it in a BNC Connector so the it would be compatible with the RG-316 cable I use for portable ops. Problem solved. If I want to use the radio lying on its side then use the relocated SO-239 with a right angle adapter and call it good. The lingering question in my mind was whether or not there was a material difference between the two ports and thanks to you guys the answer is not really. ?Thanks again for all the help. Great group... great radio!
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Re: Operating CW without Microphone- how to add FST button?
Hi Mike:
I cannot answer your question regarding the fst button; but,
I too use my 817 mostly in cw mode; and,
I often use the up and down buttons on the mic to run cw.
I do this because I do not want to take my keyers out to the park or any where else I may be portable at.
Please advise as you like.
Mike M.
Mike mcglashon
AD9CA
Email: Michael.mcglashon@...
Ph: 618 783 9331
toggle quoted message
Show quoted text
-----Original Message----- From: [email protected] < [email protected]> On Behalf Of Mike Dinolfo via groups.io Sent: Sunday, April 20, 2025 1:15 PM To: [email protected]Subject: [ft817] Operating CW without Microphone- how to add FST button? I use my FT-817 almost exclusively in CW mode, but I get irritated at having to have the microphone available in in order to change the "FST" status (10 hz vs 100 hz tuning resolution). So I want to modify the FT-817 chassis/case to have a permanently installed momentary contact "FST" button. If anyone has done this, please share how you did it. Part number(s)/source for a suitable pushbutton switch? And any installation photo(s) would be great! I have examined the FT-817 service manual and I know where to make the connections at the microphone jack for a "FST" pushbutton. Thanks in advance for any suggestions. Mike N4MWP
|
Operating CW without Microphone- how to add FST button?
I use my FT-817 almost exclusively in CW mode, but I get irritated at having to have the microphone available in in order to change the "FST" status (10 hz vs 100 hz tuning resolution). So I want to modify the FT-817 chassis/case to have a permanently installed momentary contact "FST" button.
If anyone has done this, please share how you did it. Part number(s)/source for a suitable pushbutton switch? And any installation photo(s) would be great!
I have examined the FT-817 service manual and I know where to make the connections at the microphone jack for a "FST" pushbutton.
Thanks in advance for any suggestions.
Mike N4MWP
|
The relay draws 30 mA/hr and on full "QRO Operation" at 5 watts output the radio draws 2 A/hr when TX, markedly less on RX (250-450 mA/hr) per published Mfg specs. See:?
It's on the order of a couple percent of increase in power consumption, which my back of envelope calculations put at about one minute of lost operating time for every hour of battery life. If a battery pack gives you 4 hours of operating time off the front panel BNC antenna connection then by choosing to use the rear SO-239 your operating time dropped to 3 hours 55 minutes, is that really 'significant'?
I guess, maybe, to some, but the average user, since we started using the latest battery technologies and not relied on a tray of AA NIMH cells in the internal battery tray to power the radio can easily carry an external battery that can provide more than enough battery life to satisfy their use requirements/desires and afford them the luxury of using the antenna connection that best suits their feedline connector without worrying about the power consumed by the antenna relay.
(I imagine the early FT-817 owners, 'back in the day' worked very hard to squeeze maximum use out of the rechargeable batteries that the radio used, much like the scene in the HBO series "From the Earth to the Moon" where NASA engineers were trying to find a way to stretch the useful life of the battery on a struggling Apollo 13 mission - see:??- but we live in a different world full of windcamp and external LiFePO4 batteries today...)
It is a difference, I'm glad it's documented, and while I personally don't find it 'significant', I will acknowledge that some hold a different opinion.
My $0.02,
toggle quoted message
Show quoted text
On Apr 19, 2025, at 22:50, Eric van de Weyer <groups.io@...> wrote:
? Hi Paul, ? Yes, the relay is activated for the rear (SO239) socket and deactivated for the front (BNC) socket. ? From memory the current drain of the relay is in the region of 30 mA so this can affect the runtime available on a charge when using the rear socket. ? If you’re running off external power, of course, the drain of the relay is insignificant but when running on the internal battery it can become a significant extra drain, shortening the battery life and hence operating time. ? ? ? Paul, There is a difference, but it is a tiny difference, not really worth mentioning - depending on the antenna port you select a relay inside the radio will either be energized or not. It consumes a trivial amount of energy (in my opinion), but it is a difference. I'll leave it for another list member to specify which antenna port increases power consumption - I'm too lazy to look it up, and I don't want to say the wrong thing... And as was noted already, be sure and specify to the radio which antenna connection you are using. ?
On Apr 19, 2025, at 12:37, C. Paul Patsis via groups.io <cpaulpatsis@...> wrote:
? Does it matter which antenna port you use for VHF/UHF versus HF. In other words (assuming the proper connector) can you use the rear HF Connector for VHF??
|
Hi Paul, ? Yes, the relay is activated for the rear (SO239) socket and deactivated for the front (BNC) socket. ? From memory the current drain of the relay is in the region of 30 mA so this can affect the runtime available on a charge when using the rear socket. ? If you’re running off external power, of course, the drain of the relay is insignificant but when running on the internal battery it can become a significant extra drain, shortening the battery life and hence operating time. ? ?
toggle quoted message
Show quoted text
From: [email protected] <[email protected]> On Behalf Of Ken N2VIP
Sent: Sunday, 20 April 2025 04:20
To: [email protected]
Subject: Re: [ft817] Antenna port? Paul, There is a difference, but it is a tiny difference, not really worth mentioning - depending on the antenna port you select a relay inside the radio will either be energized or not. It consumes a trivial amount of energy (in my opinion), but it is a difference. I'll leave it for another list member to specify which antenna port increases power consumption - I'm too lazy to look it up, and I don't want to say the wrong thing... And as was noted already, be sure and specify to the radio which antenna connection you are using. ?
On Apr 19, 2025, at 12:37, C. Paul Patsis via groups.io <cpaulpatsis@...> wrote:
? Does it matter which antenna port you use for VHF/UHF versus HF. In other words (assuming the proper connector) can you use the rear HF Connector for VHF??
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For 2m I usually use my FT817ND on the front mounted folding stand. With a Comet or Nagoya antenna with a right angle adapter into the front BNC connector.? HF usually only on the rear connector with a magnetic loop antenna. Be sure to double check on the menu for which antenna on which connection though.? I also only use a Bioenno battery externally or a Windcamp internally. I've never had any problems with Windcamps.? Our weather finally getting good enough to get outside more.? 73s to All ,? Rich,? W1GBB Cape Cod, Mass.
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-------- Original message -------- From: "Michael Davis via groups.io" <maddmd818@...> Date: 4/19/25 20:34 (GMT-05:00) Subject: Re: [ft817] Antenna port
I was under the impression that the reason for the BNC front antenna port is because the radio was intended and designed for portable, over the shoulder, strap/case carrying. Thus the antenna, specifically the U/VHF for pedestrian mobile would need to be vertical. Makes some sense. Mike Davis WA1MAD > On Apr 19, 2025, at 2:22?PM, HIRO, JJ1FXF via groups.io <jj1fxf@...> wrote: > > ?Generally speaking, the BNC connectors are better impedance matched than the M-type (SO-239) connectors. And this may affect more on V/UHF frequencies. > > So the rear M-type connector is for the HF and the front BNC connector is for above 6m as the default settings of FT-817/818, I suppose. > > However, such a QRP RIG, I personally do not care for the impedance matching but I select connectors for my convenience. hi > > // HIRO, JJ1FXF > > > > > >
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Dave Barnard
Mike Dinolfo
HIRO, JJ1FXF