Date   

Re: Emotator Rotator Control Unit

Colin Ranson
 

Chris,

 

Is it a 100v transformer ?  I have one that came out of a 103LBX control box.  All I wanted was the meter !

 

Regards

 

Colin de G8LBS.

 

 

Sent from Mail for Windows 10

 

From: Chris Bartram G4DGU
Sent: 29 August 2020 09:50
To: UKMicrowaves@groups.io
Subject: [UKMicrowaves] Emotator Rotator Control Unit

 

Before I ask on G3CWI's 'For Sale' pages ... I have a very old Emotator
rotator which currently rotates my temporary apology for a 2m antenna.
The transformer in the controller has developed a leakage path to
ground, and is presumably unobtanium. Does anyone here have an old
control unit lurking unused somewhere? I think electrically all of the
102 - 105 series units are more-or-less compatible, using a 600ohm pot
and 100V AC motor.

I'm happy to pay a sensible price, of course!

73

Chris G4DGU


 


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Graham G3VKV
 

I will be on,  various times - Cheltenham  

Callsign: G3VKV
Locator: IO81XV
Bands: 5.7 GHz 5W and 10GHz  8W
           
Talkback: 144.390MHz  , 'KST


Emotator Rotator Control Unit

Chris Bartram
 

Before I ask on G3CWI's 'For Sale' pages ... I have a very old Emotator rotator which currently rotates my temporary apology for a 2m antenna. The transformer in the controller has developed a leakage path to ground, and is presumably unobtanium. Does anyone here have an old control unit lurking unused somewhere? I think electrically all of the 102 - 105 series units are more-or-less compatible, using a 600ohm pot and 100V AC motor.

I'm happy to pay a sensible price, of course!

73

Chris G4DGU


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

G4FRE
 

I should be on,  weather permitting from Cleeve common car park 

 
Callsign: G4FREP
Locator: IO81XW
Bands: 5.7 GHz and 10GHz 0.6m dish
           
Talkback: 144.390MHz (QRP) , 'KST
Times: 0830 - 1200 utc.


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Robin Szemeti - G1YFG
 

Anyone going to Clee Hill? 

On Fri, 28 Aug 2020 at 20:52, Pete - GM4BYF via groups.io <gm4byf=blueyonder.co.uk@groups.io> wrote:
Please add my mobile number 07769822648

73
Pete GM4BYF

>
> -----Original Message-----
> From: UKMicrowaves@groups.io [mailto:UKMicrowaves@groups.io] On Behalf Of John Quarmby via groups.io
> Sent: 24 August 2020 18:27
> To: UKMicrowaves@groups.io
> Subject: [UKMicrowaves] Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th
>
> The next in the summer series of UKuG contests on 5.7GHz and 10GHz takes
> place on Sunday 30th August. Entrants can operate for a maximum of 8
> hours between 0600 and 1800 GMT (0700 - 1900 BST). Full rules are here:
>
> https://www.microwavers.org/files/2020-mwrules_v6.pdf
>
> This session coincides with the French F8TD microwave contest, which
> runs to 1300GMT (1400 BST). A lot of French stations use 144.390MHz
> talkback, and some can also be found on ON4KST.
>
> I will post a consolidated activity list on Saturday. Please send
> details of your planned operation in the usual format:
>
> Callsign: G3XDY
> Locator: JO02OB
> Bands: 5.7GHz 15W 0.6m dish
>                10GHz 10W 0.6m dish
> Talkback: ON4KST, 144.390MHz or Zello SHF Chat
> Times: Various throughout
>
> 73
>
> John G3XDY
> UKuG Contest Manager
>
>
> --
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
>
>
>
>
> --
> This email has been checked for viruses by AVG.
> https://www.avg.com
>
>
>
>


--
vry 73
Pete GM4BYF




--
Robin Szemeti - G1YFG


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Pete - GM4BYF
 

Please add my mobile number 07769822648

73
Pete GM4BYF


-----Original Message-----
From: UKMicrowaves@groups.io [mailto:UKMicrowaves@groups.io] On Behalf Of John Quarmby via groups.io
Sent: 24 August 2020 18:27
To: UKMicrowaves@groups.io
Subject: [UKMicrowaves] Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

The next in the summer series of UKuG contests on 5.7GHz and 10GHz takes
place on Sunday 30th August. Entrants can operate for a maximum of 8
hours between 0600 and 1800 GMT (0700 - 1900 BST). Full rules are here:

https://www.microwavers.org/files/2020-mwrules_v6.pdf

This session coincides with the French F8TD microwave contest, which
runs to 1300GMT (1400 BST). A lot of French stations use 144.390MHz
talkback, and some can also be found on ON4KST.

I will post a consolidated activity list on Saturday. Please send
details of your planned operation in the usual format:

Callsign: G3XDY
Locator: JO02OB
Bands: 5.7GHz 15W 0.6m dish
10GHz 10W 0.6m dish
Talkback: ON4KST, 144.390MHz or Zello SHF Chat
Times: Various throughout

73

John G3XDY
UKuG Contest Manager


--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus





--
This email has been checked for viruses by AVG.
https://www.avg.com


--
vry 73
Pete GM4BYF


Re: Bending dish ribs any tips or tricks?

John Lemay
 

I forgot to reply earlier.

 

Firstly I introduced a typo in the name of the mesh supplier – it should be The Expanded Metal Company. The mesh reference is 217AF and I’ve added a photo.

 

Regards

 

John G4ZTR

 

From: UKMicrowaves@groups.io [mailto:UKMicrowaves@groups.io] On Behalf Of David Law
Sent: 27 August 2020 20:37
To: UKMicrowaves@groups.io
Subject: Re: [UKMicrowaves] Bending dish ribs any tips or tricks?

 

Thanks gents. It does seem the wood former is the way. I like the idea of the kitchen worktop as material.
I already have a large "record" vice I think the wood would be more sympathetic to the surface of the material than the jaws.
The template is made from 3/4 ply using a parabola program I have.
I'll let you know how it goes. I've got some half inch galvanized  square mesh to cover it, but I'd be interested in your Aluminium mesh John if you could post a link or photo it would be great.
73
David


Virus-free. www.avg.com


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Keith GW3TKH
 

Planned weather dependent  activity for Sunday:

Callsign: GW4HQX/P
Locator: IO81LS
Bands: 5.7GHz 15W Flat Panel

Callsign: GW3TKH/P
Locator: IO81LS
Bands: 10GHz 10W 1m dish
           
Talkback: 144.390MHz, 'KST, 07762885015.
Times: 0830 utc onwards...

73 Keith
GW3TKH





Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Martyn G3UKV
 

Callsign G3ZME/P
Locator: IO82QL
Band: 10GHz
Talkback: ON4KST, 144.390MHz or Zello SHF Chat
Times: From about 10:30 local


Callsign G6ZME/P
Locator: IO82QL
Band: 5.7GHz. 
Problem locally v. strong rural Wi-Fi on this site.
Talkback: ON4KST, 144.390MHz or Zello SHF Chat.  
Times: From about 10:30 local

73 Martyn G3UKV

On 24/08/2020 18:26, John Quarmby via groups.io wrote:
The next in the summer series of UKuG contests on 5.7GHz and 10GHz takes place on Sunday 30th August. Entrants can operate for a maximum of 8 hours between 0600 and 1800 GMT (0700 - 1900 BST). Full rules are here:

https://www.microwavers.org/files/2020-mwrules_v6.pdf

This session coincides with the French F8TD microwave contest, which runs to 1300GMT (1400 BST). A lot of French stations use 144.390MHz talkback, and some can also be found on ON4KST.

I will post a consolidated activity list on Saturday. Please send details of your planned operation in the usual format:

Callsign: G3XDY
Locator: JO02OB
Bands: 5.7GHz 15W 0.6m dish
             10GHz 10W 0.6m dish
Talkback: ON4KST, 144.390MHz or Zello SHF Chat
Times: Various throughout

73

John G3XDY
UKuG Contest Manager




Virus-free. www.avg.com


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Nick Peckett G4KUX
 

Will be active Sunday Wx permitting.

Callsign G4KUX

Locator IO94BP

10Ghz 10368.125 8W 80Cm ant 360Asl clear in all directions.

Times; Various Throughout

ON4KST(Primary) or 144390 or txt to 07860339512

 

Sent from Mail for Windows 10

 

From: John Quarmby via groups.io
Sent: 24 August 2020 18:27
To: UKMicrowaves@groups.io
Subject: [UKMicrowaves] Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

 

The next in the summer series of UKuG contests on 5.7GHz and 10GHz takes

place on Sunday 30th August. Entrants can operate for a maximum of 8

hours between 0600 and 1800 GMT (0700 - 1900 BST). Full rules are here:

 

https://www.microwavers.org/files/2020-mwrules_v6.pdf

 

This session coincides with the French F8TD microwave contest, which

runs to 1300GMT (1400 BST). A lot of French stations use 144.390MHz

talkback, and some can also be found on ON4KST.

 

I will post a consolidated activity list on Saturday. Please send

details of your planned operation in the usual format:

 

Callsign: G3XDY

Locator: JO02OB

Bands: 5.7GHz 15W 0.6m dish

             10GHz 10W 0.6m dish

Talkback: ON4KST, 144.390MHz or Zello SHF Chat

Times: Various throughout

 

73

 

John G3XDY

UKuG Contest Manager

 

 

--

This email has been checked for viruses by Avast antivirus software.

https://www.avast.com/antivirus

 

 

 

 


Re: Measuring high power on 2320Mhz (13cm)

Pete - GM4BYF
 

I have one of these. They are excellent. Remember two dummy loads needed.

73
Pete GM4BYF
On 28/08/20 15:58, Paul Randall G3NJV wrote:

The Chinese ones on ebay have been reviewed and found to be very good. Super cheap.

 

http://www.dd1us.de/Downloads/Low%20Cost%20Chinese%20Directional%20Couplers%20800-2500%20MHz%20for%20the%2023cm%20and%2013cm%20bands%201v4.pdf

 

For example

https://www.ebay.co.uk/itm/1pc-50-Ohms-200W-Directional-Coupler-Female-RF-Coaxial-800-2500MHz-Replacement/383653698358

I bought 20, 30 and 40db – as discussed here a while back, they work down to much lower frequencies, just the coupling decreases. Mine (not necessarily that seller) arrived within a week or two.

 

...and while I’m at it, yesterday I found this

 

https://www.aliexpress.com/item/4000862698972.html

 

Quite weirdly described but its an AD8302 on a board almost identical to the AD eval board. The AD8302 will give direct readout of SWR if fed with the correct sample levels.

 

Yes, I know, Chinese, but we (the west) asked them to make everything – didn’t we?? so why pretend you’re buying British etc when it’s all made in China anyway.

Cheers

 

Sent from Mail for Windows 10

 

From: Anthony Coldman via groups.io
Sent: 27 August 2020 14:30
To: UKMicrowaves@groups.io
Subject: [UKMicrowaves] Measuring high power on 2320Mhz (13cm)

 

Can anyone advise if a slug for the Bird Meter is available that will read high power (200w) at 13cm, I have a 50w one and a 100w 3dB attenuator so can read up to 100w but ideally need to able to read 200w.

 

I been looking in all the usual places for them, but is there a list available of all the bird slugs that are have been made, then I would now what I need to look for and if it even exists and I am not wasting my time looking for one?

 

How do others read high power at 13cm?

 

Any help suggestion gratefully received, I am only need to monitor the output while I set the drive level correctly on the bench and then it will probably sit in a draw never used again 😊

 

Regards Anthony G7LRQ

 

 

 


--
vry 73
Pete GM4BYF


Re: Measuring high power on 2320Mhz (13cm)

Paul Randall G3NJV
 

The Chinese ones on ebay have been reviewed and found to be very good. Super cheap.

 

http://www.dd1us.de/Downloads/Low%20Cost%20Chinese%20Directional%20Couplers%20800-2500%20MHz%20for%20the%2023cm%20and%2013cm%20bands%201v4.pdf

 

For example

https://www.ebay.co.uk/itm/1pc-50-Ohms-200W-Directional-Coupler-Female-RF-Coaxial-800-2500MHz-Replacement/383653698358

I bought 20, 30 and 40db – as discussed here a while back, they work down to much lower frequencies, just the coupling decreases. Mine (not necessarily that seller) arrived within a week or two.

 

...and while I’m at it, yesterday I found this

 

https://www.aliexpress.com/item/4000862698972.html

 

Quite weirdly described but its an AD8302 on a board almost identical to the AD eval board. The AD8302 will give direct readout of SWR if fed with the correct sample levels.

 

Yes, I know, Chinese, but we (the west) asked them to make everything – didn’t we?? so why pretend you’re buying British etc when it’s all made in China anyway.

Cheers

 

Sent from Mail for Windows 10

 

From: Anthony Coldman via groups.io
Sent: 27 August 2020 14:30
To: UKMicrowaves@groups.io
Subject: [UKMicrowaves] Measuring high power on 2320Mhz (13cm)

 

Can anyone advise if a slug for the Bird Meter is available that will read high power (200w) at 13cm, I have a 50w one and a 100w 3dB attenuator so can read up to 100w but ideally need to able to read 200w.

 

I been looking in all the usual places for them, but is there a list available of all the bird slugs that are have been made, then I would now what I need to look for and if it even exists and I am not wasting my time looking for one?

 

How do others read high power at 13cm?

 

Any help suggestion gratefully received, I am only need to monitor the output while I set the drive level correctly on the bench and then it will probably sit in a draw never used again 😊

 

Regards Anthony G7LRQ

 

 

 


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Pete - GM4BYF
 

Callsign: GM4BYF/P
Locator: IO85UU
Bands: 10GHz 20W 0.8m dish
Talkback: ON4KST, Zello SHF Chat
Times: 1200 BST onwards

Comment excellent take off - especially down East Coast and to North. All subject to weather

In the event of Rain Scatter are reports of 57S accepted by the scoring system ?

73
Pete GM4BYF

On 24/08/20 18:26, John Quarmby via groups.io wrote:
The next in the summer series of UKuG contests on 5.7GHz and 10GHz takes place on Sunday 30th August. Entrants can operate for a maximum of 8 hours between 0600 and 1800 GMT (0700 - 1900 BST). Full rules are here:

https://www.microwavers.org/files/2020-mwrules_v6.pdf

This session coincides with the French F8TD microwave contest, which runs to 1300GMT (1400 BST). A lot of French stations use 144.390MHz talkback, and some can also be found on ON4KST.

I will post a consolidated activity list on Saturday. Please send details of your planned operation in the usual format:

Callsign: G3XDY
Locator: JO02OB
Bands: 5.7GHz 15W 0.6m dish
             10GHz 10W 0.6m dish
Talkback: ON4KST, 144.390MHz or Zello SHF Chat
Times: Various throughout

73

John G3XDY
UKuG Contest Manager

--
vry 73
Pete GM4BYF


Re: Activity List for the UK Microwave Group 5.7 and 10GHz Contests - Sunday August 30th

Clive Elliott GW4MBS
 

Callsign: GW4MBS/P
Locator: IO71XW94UG
Bands:  10GHz 0.9W 0.8m dish
Talkback: ON4KST & poss 144.390MHz 
Times: Various throughout

Initial site only has clear take off to 130-230 degrees. I hope to explore other sites nearby to give wider coverage if it would just stop raining! Will amend locator accordingly.
 

--
Clive GW4MBS (ex-G8ADP)
Pottering on 6m - 3cm in a valley in IO71XW where any QSO is a triumph of optimism over geography!


Re: Measuring high power on 2320Mhz (13cm)

Keith
 

radiodan.com/bird


Re: Measuring high power on 2320Mhz (13cm)

Keith
 

There is a mod to use Bird slugs at much higher power levels than originally designed for.
It can be found on line, I no longer have the details but one of mine is modded and is switchable for power levels.
I will try to find it and I can guarantee it works on my 1296 mhz slug.


Re: specs Marconi isolator?

Wilko
 

Thank you Rainer! Clearly no fit for our requirements.

Wilko
PA1WBU


Re: 10Gh anyone.

militaryoperator
 

Thanks Neil, great to finally work you. 

Just on Horn antenna, next is a 48cm dish, just need to get it affixed to pole, hi. 

hopefully for Sunday. 

73, Ben G4BXD




I'm at work today Ben, but I can pop the dish up at lunchtime.  There is a dense band of absorbent rain just south of here, so I doubt I'll be able to get through that. I'll have a quick test with Mow Cop and see how bad things look. I'll pop on to KST just after midday local.
Neil G4DBN
On 28/08/2020 10:52, militaryoperator via groups.io wrote:
Have my 10Ghz up and listening.

Ben G4BXD  IO82UJ  Kidderminster 


Re: 10Gh anyone.

Neil Smith G4DBN
 

The distortion on your backscattered SSB signal while I was beaming at Graham was amazing.  Not quite loud enough for NBFM, but CW was at least 500Hz wide and split into separate doppler-shifted peaks.  Nice to hear your signal up here in East Yorkshire.

Neil G4DBN

On 28/08/2020 11:37, militaryoperator via groups.io wrote:

OK Neil, I'll watch kst



--------------------------------------
Curator, Owner and Display coordinator
Military Wireless Museum
Kidderminster, UK.

This message was meant for the recipient
Any likeness to persons living or dead is odd
---------------------------------------


-----Original Message-----
From: Neil Smith G4DBN <neil@...>
To: UKMicrowaves@groups.io
Sent: Fri, 28 Aug 2020 11:08
Subject: Re: [UKMicrowaves] 10Gh anyone.

I'm at work today Ben, but I can pop the dish up at lunchtime.  There is a dense band of absorbent rain just south of here, so I doubt I'll be able to get through that. I'll have a quick test with Mow Cop and see how bad things look. I'll pop on to KST just after midday local.
Neil G4DBN
On 28/08/2020 10:52, militaryoperator via groups.io wrote:
Have my 10Ghz up and listening.

Ben G4BXD  IO82UJ  Kidderminster 

_


Re: Wanted - surplus box with large panel meter

g4cch_1
 

Thanks to all for the input and offers on this topic.

I have decided to take the unit from Graham G3YJR, and see what I can do with it.

I will hopefully collect it from him next week.

73, Howard G4CCH

11701 - 11720 of 69620