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Call Sign : 108-CT-345 Posts : 29 Times Thanked : 1 Join date : 2022-05-01 QTH or Location : Newcastleton Equipment Used : Bearcat 980/ TTI 881
Subject: Help Needed With Alinco DX swr Thu May 19, 2022 7:45 pm
Ok Guys I'm stumped recently had an Alinco DX 10 bought for me, I'm mobile only dxing last set was a Uniden Bearcat ssb and also had a FM 40 rig in as well. Antenna is 4 ft Flexi stick on a mag mount and I must say it works very well on the Uniden. Ok fitted the Alinco in today this set has the UK 40 FM on band A. Rest is normal. I cannot get the swr down in no way, the Alinco is alarming and saying 5 on swr when transmitting. I've tried adjusting the antenna but nothing, it seems like the set does not even recognise there is a antenna. Any Thoughts
GaryWilson CT Directors
Call Sign : 26-CT-1836 Ham 2E0GGQ Posts : 3770 Times Thanked : 308 Join date : 2019-06-27 QTH or Location : Braunston Northamptonshire. Equipment Used : Radios & Wires & Stuff! Age : 58
Subject: Re: Help Needed With Alinco DX swr Thu May 19, 2022 8:28 pm
Hi Andy, I would always use an external SWR meter. I have to say that my radios that have a built in SWR meter do measure fairly accurately but many people have said that they've had issues. The radio itself shouldn't make any difference it's the antenna that's either resonant or not.
73's Gary.
Andy2490 New Member
Call Sign : 108-CT-345 Posts : 29 Times Thanked : 1 Join date : 2022-05-01 QTH or Location : Newcastleton Equipment Used : Bearcat 980/ TTI 881
Subject: Re: Help Needed With Alinco DX swr Thu May 19, 2022 8:51 pm
Hi Gary, I'm using a external swr meter the radio transmits then alarms, in built swr protection. Just strange how the antenna has been fine on other radios. I've had a dummy load on it and seems to be transmitting fine.
GaryWilson CT Directors
Call Sign : 26-CT-1836 Ham 2E0GGQ Posts : 3770 Times Thanked : 308 Join date : 2019-06-27 QTH or Location : Braunston Northamptonshire. Equipment Used : Radios & Wires & Stuff! Age : 58
Subject: Re: Help Needed With Alinco DX swr Thu May 19, 2022 9:34 pm
Hi Andy, I would turn off the alarm in the menu make sure that the radio is outputting low power and check again using the external meter only. I would also check that the radio is definitely programmed the way the supplier said it is. Other than that check the Antenna and coax for any obvious signs of damage.
73's Gary.
Andy2490 New Member
Call Sign : 108-CT-345 Posts : 29 Times Thanked : 1 Join date : 2022-05-01 QTH or Location : Newcastleton Equipment Used : Bearcat 980/ TTI 881
Subject: Re: Help Needed With Alinco DX swr Thu May 19, 2022 9:40 pm
Ok Gary, that was my thought on disabling the alarm and go from there, the antenna is only a few weeks old I've checked the coax seems fine, have another look tomorrow lol
Alan Pilot Major contributor
Call Sign : 163-CT-220...MW7TTA Posts : 2170 Times Thanked : 52 Join date : 2019-11-19 QTH or Location : Anglesey North Wales Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+. Age : 149
Subject: Re: Help Needed With Alinco DX swr Fri May 20, 2022 6:26 am
Also check the pl259 on the aerial. As said changing radio will never alter the swr but you could have a fault in the aerial plug causing a short. Just a thought.
Andy2490 New Member
Call Sign : 108-CT-345 Posts : 29 Times Thanked : 1 Join date : 2022-05-01 QTH or Location : Newcastleton Equipment Used : Bearcat 980/ TTI 881
Subject: Re: Help Needed With Alinco DX swr Fri May 20, 2022 6:52 am
Cheers Alan will do. It's just strange how I was getting real good swr readings on both my other sets but this one Alinco is through the roof.Its The needle just goes straight over into the red then the auto high swr kicks in.
Andy2490 New Member
Call Sign : 108-CT-345 Posts : 29 Times Thanked : 1 Join date : 2022-05-01 QTH or Location : Newcastleton Equipment Used : Bearcat 980/ TTI 881
Subject: Re: Help Needed With Alinco DX swr Fri May 20, 2022 9:10 am
Thanks all for the input. Turned out to be a bad factory 259 connection on the antenna feed. Alan you were right.
Alan Pilot Major contributor
Call Sign : 163-CT-220...MW7TTA Posts : 2170 Times Thanked : 52 Join date : 2019-11-19 QTH or Location : Anglesey North Wales Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+. Age : 149
Subject: Re: Help Needed With Alinco DX swr Fri May 20, 2022 10:20 am
Had to be a simple thing like that. Glad you found the problem Andy.
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Subject: Help Needed With Alinco DX swr 
