After GB7MB

Although we have seen the demise of the GB7MB DMR repeater, the site itself is not going anywhere. I am hopeful that Hax will continue to add the odd posts as he as always done so. I personally feel he has a excellent way of passing his knowledge on. Locally we are still served by GB7MP thanks to Dave, which caters for both DMR and P25 digital modes. I shall however be diversifying the site to cover more of my other hobbies as well. The only reason for this is to justify my continuing funding of the site. If you are a member and wish to be removed from the site due to these changes just drop me a quick note to admin(at) and i will remove you.

Regards to all



GB7MB is still on-air, but we use P25 & HF SSB 28.495

The demise of DMR in the area has seen a resurgence of a few of the locals go back to 10m SSB instead.  We have been using 28.495 USB (on and off) for over 10 years now, with a brief flirt with DMR in between when we put GB7MB on air.  Activity is low of course, but is monitored most of the time, so fire your HF rig up and shout up. We are vey relaxed on there and fun, please don’t get offended by the goings-on on 28.495 – instead, just join in,

The photo above is a MMDVM – a little radio board that sits on top of a Raspberry Pi – those tiny twenty quid computers – and it’s a hotspot for your P25 rig.
You can buy them ready built too,  they work fine. here’s an example.

After a bit of a config you need a P25 set, they pop up on Ebay and other places occasionally.
you shouldn’t need to pay much above £100 for one, the chinese haven’t yet made a cheap P25 set yet, and likely never will, have a google for P25 digital if you don’t know what it is.

We have a Morecambe bay reflector for P25 and several users, though again, activity is low 🙁

So, that’s an overdue update, just so you know what’s happening (not too much) but feel free to use GB7MB and have fun.

A Thankyou ..

To everyone that came to visit us at Blackpool rally yesterday and very kindly surprised us with donations, we’d like to say a big Thankyou to You all, and also of course, to Everyone who has supported us this far, either with donations, equipment, time or other assistance along the way,. even just by joining in,  It shows the true Amateur spirit is still alive and kicking !

-Hax, Mot and Paul-
All work, text and images © GB7MB

GB7UZ (Lancaster) operational, and Linked to GB7MB on TG9 (TAC9)

To aid coverage of our existing GB7MB repeater around the Bay area, another DMR  MotoTrbo repeater was set up in Lancaster, the date of NoV Issue was on 16th Mar 2016, and it seems to help in some places wher MB was struggling, due to local terrain and limitations we have for sites.

GB7UZ is, Like GB7MB, connected to the Phoenix UK DMR c-bridge, and ‘Talkgroup 9, slot 2’ on both repeaters is linked.. how it works is very simple, and you dont need to do anything at all, You can have a QSO with one station on MB and the other person on UZ. There are further additions planned for expansion to the system, in order to give Total Area Coverage.. maybe on other bands and modes, as the spirit of Amateur radio is experimentation, and so watch this space.

All work, text and images © GB7MB

Chinese CS700 hardware manufacturer..

cs700notI wondered where the original Chinese manufacturer of these CS700 sets was hiding.. so it appears that this is them (apparently)   here is their site..   How true it is, i can’t tell.
interesting though all the same… unless you know better – in which case, write in and let us know !

All work, text and images © GB7MB

Join our IRC chat server

Here is a web link to out IRC chat server – clicking the link will bring you to a page where you see a box showing you some info, and we ask you to just change the 3rd entry down – where it says
Username: guest-  – just type something in instead of guest and you’ll be in.

There’s people who stay logged in all day, every day, for months, and then there’s some who just pop in occasionally.

We at GB7MB usually are logged in 24/7 – but we may be out of the shack, busy, or if its mealtime or night times people may not see you log in,  so we suggest you don’t just log in, and expect a instant reply, then quit if you dont get an immediate response !

GB7MB’s Trbo chat (Web version)

Android clients are simple and free, Here’s a couple we have used.

AndChat Free, simple and works very well.
TurboIRC  Good name ! – works well with our IRC of course.

on IOS, well, much less choice, but here are free IRC apps for the iPhone:

Mango Lite free IRC chat client   Worked well.
TurboChat IRC  Yes, i think its possibly the same Guy who made the Android one.

If you want IRC on your Windows PC try these:
Hex Chat free simple, easy, prob the best Windows one.

IceChat free, solid and very configurable. takes a bit more tweaking. i find the UI a bit ‘messy’

Mac OS X  (well, there’s only one you should use, and its superb)

Xchat Aqua and xchat Azure free a superb free  version on xchat – works on Leopard right up to Yosemite.

check your distro’s repo.  on Ubuntu based distro’s  open a terminal and type
me$   sudo apt-get install xchat
add your password and go for it. or use your package manager.

All the info you need to fill in is :
server name:
channel:          #trbo
port:                  6667

But we recommend you connect securely usung SSL on port 6697
you will need to ‘accept invalid SSL certificates’

this is not a security risk, as its a self-signed certificate, (not actually invalid)


All work, text and images © GB7MB

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