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 QRM and Phone Tower Masts

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Kevin
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Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeSat Jun 06, 2020 8:35 pm

I have recently got back to the 11m CB band after 35 years or so and the QRM I seem to have is at times a plus 9!....
I am fully aware lots of QRM nowadays is caused by wireless extenders and alike but even with all power off running the rig from a battery it still remains.
This started to train my thoughts on a nearby comms tower which could have phone internet and alike being broadcast from it and it also has a beacon on the very top which when you listen closely it coincides with a bleep of sorts that can be heard through all the bands from the 25mhz right up to 28 MHz and beyond.
The reason for this post is to find out if anybody else has the same kind of thing or are in a similar situation ?
I look forward to any replies on the subject

73s Kev
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26TC62
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26TC62


Call Sign : 26TC62, 26CT2817
Posts : 141
Times Thanked : 29
Join date : 2019-06-27
QTH or Location : Portsmouth
Equipment Used : Yaesu 891, 10m pole, wire 5/8, T2LT

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeSun Jun 07, 2020 7:35 am

Most of the QRM people get is from noise sources in the home or in a neighbour's. There might be something on the mast, but nearly everything on it is going to be VHF and higher in frequency. There are still some 26/27MHz pagers around but there can't be many.

The usual advice is to switch off everything else in the house in turn and see what effect this has - especially anything with a plug-in-the-wall power supply or charger. I have a couple of very noisy phone chargers, and a monitor that spews out lots of junk. Those I can do something about. There are a couple of other noise sources in neighbours' places that I can't do much about - but a QRM eliminator gets rid of most of it. I moved the antenna as far away from the house as possible. RF chokes on the coax at both the antenna and coming into the shack, and I am going to build a mains lead filter for the radio PSE. All the things I've done already got my noise level down from S9 to around S3, which is fine if there is any DX propagation about.
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Kevin
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Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeSun Jun 07, 2020 10:04 am

Thanks for your replies Nubster and you are from my old area I was a North London lad back in the day and yep I did all ready know the answer but no harm in getting others opinions.
Thank you 26TC62 ive all ready done the power off job and run rigs on a big Van battery. The RF choke idea might be worth a go but there is not a thing I can do about a 150ft or so phone mast this I will just have to grin and bear which is a shame as my antenna is 80ft away from my house and 11m to base of antenna with RG213 mil grade cable and I know back before we had all this WI FI crap it would be good. Like you say back then we used to cause TVI etc to home owners now the tables have turned in a big way a bloody shame Sad.
73s Kev

never old just experienced
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Kevin
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Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeSun Jun 07, 2020 10:42 am

Hi Nubster

I grew up in Waltham Cross my aunt lived in a tower block near the spurs ground you could watch them with a pair of binoculars LOL that has long since been demolished. I also used to go to Hackney Speedway on a Friday night for many years with my good old Dad god bless him a part of London that has changed beyond recognition now we had some bloody good times over there.
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Kevin
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New Member



Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeSun Jun 07, 2020 12:18 pm

just an off subject Nubster is the old Frank Mosers the electrical Aladdin's cave still down there?
I used to go in there for just about anything for radio and repair work back then. I somehow think it may be gone which saddens me a real place for real people that used to fix things shame todays world is all throw away.
73s Kev
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Kevin
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New Member



Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeWed Jun 10, 2020 4:52 pm

I have got an update on my QRM after isolating all what I thought was causing or could be causing my QRM things like WI FI extenders Routers and alike it still remained until I decided to switch off the whole lot and to my amazement the QRM had now gone it turned out my motorbike trickle charger was causing it powered from the shed feed the rest of the house was fine.
The charger is one of those fancy slow charge things so if anyone owns a motorbike and has one of those try turning it off is my suggestion. Like I said all the obvious stuff like WI FI extenders and such which I have 2 off and 2 google homes one in shed too and various wi fi switches for lighting and it came down to a battery charger which I never even considered just goes to show.
So now I can lay my rg213 to my office in the Knowledge I wont be listening to plus 9 of noise and a bleeping sound Happy Days !
73s Kev
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Kevin
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Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeWed Jun 10, 2020 8:46 pm

ahh well Nubster this is going to make you laugh I'm putting the charger on a WI FI switch of all things so when I want to use my Rig I don't have to traipse up to the shed to switch it off now I know my WI FI switches are not the problem.
Gotta laugh
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43CT016
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43CT016


Call Sign : 43-CT-016
Posts : 358
Times Thanked : 22
Join date : 2019-11-17
QTH or Location : Perth
Equipment Used : iCom IC-7610/IC-9700/IC-705
Age : 55

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 1:09 am

Kevin wrote:
ahh well Nubster this is going to make you laugh I'm putting the charger on a WI FI switch of all things so when I want to use my Rig I don't have to traipse up to the shed to switch it off now I know my WI  FI switches are not the problem.
Gotta laugh  

Battery chargers and SMPSU’s in everything from phone chargers to kitchen appliances are the spawn of the devil. Did the same here and ended up replacing a heap of LED ceiling lights, binning power bricks and ferriting a heap of other stuff. Now it’s just the neighbours crap....in a power outage my noise goes to S1!

You two are making me bloody homesick too......born a Londoner, lived over half my life in Enfield, then moved up North with the now wife, before coming here to Aus almost 15 years ago. I don’t reckon I’d recognise much of North London now if we came back.
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43CT016
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43CT016


Call Sign : 43-CT-016
Posts : 358
Times Thanked : 22
Join date : 2019-11-17
QTH or Location : Perth
Equipment Used : iCom IC-7610/IC-9700/IC-705
Age : 55

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 8:46 am

NUBSTER wrote:
Dont know how long ago you lived in Enfield Jeff but its changed alot mate ,TBH most of North London (well my area has) has changed immensely and I've lived in North London all my life I'm 62 so seen some changes some good, alot pretty bad.

Well, I'm 51 now, and lived there since birth until 1999 when we moved up North.

Moved here to Aus in 2006.

I don't reckon I'd recognise much of any UK town or city now, as I haven't been back in over 10 years.

Still remember going to Spurs games when all the barriers were up and the violence was at it's peak!
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Kevin
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New Member



Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 9:46 am

Hi Jeff

It has also been sometime I lived back there in 1998 I moved to where I am now and have been back now and then even in those years a lot has changed nothing like I remember when I was a lad riding my bike up and down the river Lea that seems a long time ago now time fly's there is no doubt about it.
On the topic of lights and QRM I am grateful I am not having that issue as well and my neighbours gear is all good is a big plus for sure.
This Radio lark is costing a fair bit of cash and sodding about but it keeps me away from the Mrs LOL
she better not read this or I be living in my shed hahaha.
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Kevin
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Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 11:57 am

Nubster I remember back using the old AM rig before FM was made legal I even had my equipment confiscated once and was lucky to not get a fine ahh the good old days LOL
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Kevin
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Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 6:19 pm

Hi Nubster yes I do remember Skyriders and it would of been late 79 80s I did also get a FM rig when it was legalised in 81 and was on for quite a few years even kept it when I started driving in my MK 3 Cortina until some toe rag stole it one night and left all the doors open. after that I decided to call it a day until now but now its more of a pastime and hobby I liked the engineering challenge of making a hinged antenna mount from thick 1/2 steel plate and creating a big hinge with 2 4 meter scaffold poles and a aluminium section of 3 meters then antenna on top with a winding mechanism fitted to the side of my workshop which kinda looks like a mine pit head gear LOL ohh and its all earth bonded might make a big bang if lightning hits it but its straight to earth with 10mm earth cable and copper earth spike a meter into ground.
The fun is in the doing I have still got to get the RG213 to the office in house for winter time best of both worlds LOL
the bloody things ive done in this lockdown situation has been crazy I was keeping all these jobs for when I had packed work in now I need to get something else for then LOL gotta laugh for sure.
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Kevin
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New Member



Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 8:14 pm

We may have done and one of my friends was called Barry he lived near Queen Elenor School Waltham Cross mill mouse , windy Miller are a couple i can remember and as for cable ive got Mil spec stuff sitting waiting to be fitted alls good on that front and not cheep back in the 80s i could only afford rg58 now Im an old git i get the good stuff LOL
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Kevin
New Member
New Member



Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 10:54 pm

LOL turkey street as you go down is ascot gardens my Uncle lived there LOL
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Kevin
New Member
New Member



Call Sign : 26-CT-3606
Posts : 17
Times Thanked : 0
Join date : 2020-05-29
QTH or Location : near Harwich Essex
Equipment Used : SS-9900, SS-360 original, maxcom-30E, Astatic 575 M6 mic , silver rod half wave Antenna
Age : 56

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeThu Jun 11, 2020 10:58 pm

and we are in General chat anything and everything as long as its clean and I dont see a problem even though I have gone off topic your allowed to do that when you get older thats the good bit in getting older LOL
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GaryWilson
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GaryWilson


Call Sign : 26-CT-1836 Ham 2E0GGQ
Posts : 4216
Times Thanked : 359
Join date : 2019-06-27
QTH or Location : Redcar, North Yorkshire.
Equipment Used : Radios & Wires & Stuff!
Age : 59

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PostSubject: Re: QRM and Phone Tower Masts   QRM and Phone Tower Masts Icon_minitimeFri Jun 12, 2020 6:05 am

NUBSTER wrote:
My cousin Barry lived by Forty Hall Enfield in the flats there , his handle was Inchpincher 2, mine was Crazy Man ,we use to know Falcon who lived down Turkey Street Enfield, TomThumb who was down Audinance Road off Hertford Road ,there was a bloke near Waltham Cross by
Bullsmore Lane  called Toast who use to sell AM radios .

I apologise to all that Kev and I have gone off topic but as you can see he was from my area originally and it's a bit of a memory trip for us

No problem at all Martin. Very Happy
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