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g4aqb – analogue native - home about gallery biography construction station history qsl cards blog ariss sstv award posted on october 31, 2018 received a nice award certificate today to celebrate receiving sstv signals from the international space station on 29th october 2018. managed to receive two images on the same pass at 10.28am using my colinear and yaesu ft857d on 145.800mhz. here are the two images received using mmsstv software to decode. this entry was posted in uncategorized . g7fek antenna posted on october 19, 2018 updated on november 4, 2018 just completed building a g7fek antenna. seems to work fine after a little bit of tweeking of the two counterpoise / radials.(used 65ft and 33ft) now have good swr on both 80m and 40m without a tuner. i am now comparing signals on 80m and 40m with the random longwire that i already have up. l istening on 80m and 40m tonight with the g7fek. first contact with ft8 on 80m was tf3gb in iceland (was only just detectable on the longwire) went on 40m and was amazed at the number of stations across the atlantic in both north and south america. have not managed to work any yet because i am only running low power at the moment. switching between the g7fek and longwire i can’t even detect any stations trans-atlantic stations. it’s working well. i have now added a loading coil for 160m topband and it is working well. i built the loading coil of 30 turns on 4 inch pipe with taps so that i could find the best setting for low swr. the swr peaks at 1.9mhz with 16 turns. i have found that the g7fek works best for local groundwave contacts on 160m, gives about 2 s points more on receive when compared to my existing longwire. the longwire seems better with more distant stations. not sure about dx stations yet. this entry was posted in uncategorized . morse code with g3zqs posted on september 23, 2018 yesterday afternoon i listened to an interesting conversation about morse on the bolton wireless club network radio. it made me think about how i learned morse code. i was taught by george (geo) g3zqs back in 1970. he produced some tutorial ‘tapes’ that you could learn to read the morse alphabet from scratch. george’s method was to group letters together, the first ones that i learned were a, w and j (di dah, di dah dah, di dah dah dah) the tape would introduce the letters, then send them mixed up so that you could recognise them. after that you move to the set of letters in this case n, d, b (dah dit, dah di dit, dah di di dit) again on the tape, learn the letters then listen to them mixed up. the next step was to try to receive both groups of letters together before learning the next group (which i think was e, i, s and h) george always emphasised that we listen to the rhythm and not the dots and dashes. some letters you can remember from the rhythm like q (dah, dah, di, dah god save the queen) and f (di, di dah dit filling station) i found this method very effective (for me) you just take your time and if you want to, try to practice sending the letters that you have learned. sadly george is now silent key, but he founded fists which promotes the use of cw throughout the world. i have been trying to trace one of his tapes, but without success. it would be great to get hold of a copy to maybe produce a digital version. many of these tapes were in circulation around the bolton and blackburn areas back in the 1970’s. this entry was posted in uncategorized . topband beacon posted on september 14, 2018 updated on september 14, 2018 a bit of nostalgia here…the topband beacon! (or bells) back in the 1970’s when topband am was the flavour of the day there was a beacon on 1.900mhz. during the day it was a simple two tone beat, but at night it came alive making topband very tuneful. back in the 70’s the beacon was an ideal place to tune up your am transmitter. i used to monitor 1.900mhz when i was in the shack for stations that tuned up, then i would call them. here is an old recording that i found on the internet played to a video of my r1155 receiver…. ahhh… memories! this entry was posted in uncategorized . steam radio posted on september 8, 2018 today i listened out for the special event station gb0elr at the east lancashire railway at bury. they were operating on 40m, 20m and 15m. a message from facebook told me that the station was operating ft8 on 20m during the afternoon, so i set up my ft8 to find them. although gb0elr is only about 4 miles away i found it difficult to find them through the very strong ft8 stations on 20m. after putting out a call i managed to link up with the station. it was a rainy afternoon, so i decided to go down to east lancs railway and deliver a qsl directly to the station. i love going to the station to see the steam trains and today the flying scotsman was running along with the city of wells loco. here is mo m0txk operating gb0elr from the hut next to flying scotsman on the platform. i used the opportunity to talk with jack g8hik and chris g4hyg on the bolton wireless club on network radio. here is the flying scotsman departing to rawtenstall today. this entry was posted in uncategorized . topband with an r1155 receiver posted on july 23, 2018 updated on august 29, 2018 latest news on the r1155 receiver project… the r1155 is working fine on all bands, but unfortunately my version of the receiver doesn’t cover topband (1.8mhz – 2.0mhz). i believe that one of the later versions of the receiver had trawler band, but these are quite rare to find. so to be able to listen on topband with my receiver it requires a converter, in this case to convert 1.8mhz – 2.00mhz to the medium wave band. the r1155 covers 600khz – 1500khz, so i decided to use 800khz – 1000khz as the converted topband frequency. i found that the simplest circuit to use for this purpose is to use an ne602n chip, this is a double balanced mixer that can convert almost any input frequency to an output frequency using the correct crystal oscillator. in my case, i want to convert 1.9mhz on the input to 900khz on the output. to do this i need a 1mhz crystal for the oscillator and choose the correct values of capacitors in the oscillator circuit. l1 is a toko equivalent coil that can be purchased from http://www.spectrumcomms.co.uk/ i used the 45uh coil for 1.9mhz. i found that c1 needs to be around 220pf to tune the coil. x1 is a 1mhz crystal and c3 is 100pf, c4 is 1000pf. i built the circuit on a small printed circuit board, which was very easy to make. the circuit works really well, very stable and gives an output that suits the input of the receiver. i was able to tune topband on the medium wave frequencies and listen to stations on am, ssb and cw. really pleased with the results! on the board i left room for an extra coil on the input, but the circuit works fine with just a single coil and seems very selective. i added a switch so that i could switch between topband and medium wave. i also used the switch to mount the board inside the r1155 receiver. the 6v for the board is powered by rectifying the 6.3v heater voltage, doing this meant that i didn’t need r1 in the circuit. the converter working fine on the sunday morning 1963khz am net with g3egc, g0cto and m3rnx. this entry was posted in uncategorized . sporadic e on 4m posted on july 6, 2018 a nice sporadic e opening this evening on 50mhz and 70mhz. i used ft8 to monitor the conditions on both bands and was amazed at some of the stations coming in on 4m! managed to work almost everything station i heard on 4m including: dj5mn, s51rm, df4ue, dj2qv, s520r, ok2brd, ha1ya, 9a3tn. this is with 25w and an hb9cv antenna. i have to say that ft8 is great for monitoring conditions on a particular band as there is so much activity. sometimes you miss the openings on 4m and 6m because of lack of activity. using a spectrum communications 4m transverter, hence 28mhz showing on wsjt-x. this entry was posted in uncategorized . 1 2 … 64 next → @g4aqb follow me on twitter my tweets g4aqb facebook

URL analysis for g4aqb.co.uk

https://g4aqb.wordpress.com/2018/09/14/topband-beacon/
https://g4aqb.wordpress.com/tag/paddle/
https://g4aqb.wordpress.com/tag/iss/
https://g4aqb.wordpress.com/history/
https://g4aqb.wordpress.com/tag/antenna-systems/
https://g4aqb.wordpress.com/2018/07/23/topband-with-an-r1155-receiver/
https://g4aqb.wordpress.com/about/
https://g4aqb.wordpress.com/tag/yaesu-ft-857d/
https://g4aqb.wordpress.com/biography/
https://g4aqb.wordpress.com/gallery/
https://g4aqb.wordpress.com/tag/lancaster/
https://g4aqb.wordpress.com/tag/morse-keyer/
https://g4aqb.wordpress.com/construction/
https://g4aqb.wordpress.com/tag/qsl-cards/
https://g4aqb.wordpress.com/2018/10/31/ariss-sstv-award/
g4aqb.blogspot.co.uk
spectrumcomms.co.uk

Whois Information

Whois is a protocol that is access to registering information. You can reach when the website was registered, when it will be expire, what is contact details of the site with the following informations. In a nutshell, it includes these informations;

Domain name:
g4aqb.co.uk

Registrant:
Stephen Macdonald

Registrant type:
UK Individual

Registrant's address:
58A
Tarbet Drive
Bolton
BL2 6LT
United Kingdom

Data validation:
Nominet was able to match the registrant's name and address against a 3rd party data source on 10-Dec-2012

Registrar:
1 & 1 Internet SE [Tag = 1AND1]
URL: https://www.1and1.co.uk

Relevant dates:
Registered on: 13-Feb-2005
Expiry date: 13-Feb-2019
Last updated: 12-Feb-2017

Registration status:
Registered until expiry date.

Name servers:
ns33.1and1.co.uk 217.160.80.150 2001:08d8:00fe:0053:0000:d9a0:5096:0100
ns34.1and1.co.uk 217.160.81.150 2001:08d8:00fe:0053:0000:d9a0:5196:0100

WHOIS lookup made at 06:00:52 16-Sep-2017

--
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Copyright Nominet UK 1996 - 2017.

You may not access the .uk WHOIS or use any data from it except as permitted
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  REFERRER http://www.nominet.org.uk

  REGISTRAR Nominet UK

SERVERS

  SERVER co.uk.whois-servers.net

  ARGS g4aqb.co.uk

  PORT 43

  TYPE domain

OWNER

  ORGANIZATION Stephen Macdonald

TYPE
UK Individual

ADDRESS
58A
Tarbet Drive
Bolton
BL2 6LT
United Kingdom
Data validation:
Nominet was able to match the registrant's name and address against a 3rd party data source on 10-Dec-2012

DOMAIN

  SPONSOR 1 & 1 Internet SE [Tag = 1AND1]

  CREATED 2005-02-13

  CHANGED 2017-02-12

STATUS
Registered until expiry date.

NSERVER

  NS33.1AND1.CO.UK 217.160.80.150

  NS34.1AND1.CO.UK 217.160.81.150

  NAME g4aqb.co.uk

DISCLAIMER
This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2017.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at http://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.

  REGISTERED yes

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