[time-nuts] Rb Oscillator - rather fundamental question

Hi Folks Simple and rather fundamental question: does the common or garden rubidium oscillator constitute an atomic clock? Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http

Re: [time-nuts] Rb Oscillator - rather fundamental question

Quoth Poul-Henning Kamp at 2010-02-23 20:22... In message 4b83a33c.1010...@smiffytech.com, Matthew Smith writes: Simple and rather fundamental question: does the common or garden rubidium oscillator constitute an atomic clock? Yes. ... Many thanks for the responses and ensuing discussion

Re: [time-nuts] Rb Oscillator - rather fundamental question

will post a link to details when I get this project up and running. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] Wrist Watch for Time Nuts

of us in 433MHz-land (ie: rest of the world,) available next few weeks. And I WANT ONE! Perfect wrist-top manager for wearable sensors. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http

Re: [time-nuts] Low noise voltage regulators

for high-end (rabidly obsessive audiophile) hi-fi stuff. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy Skype: msmiffy

Re: [time-nuts] Digests too often...

sending out digests that may contain hundreds of messages. (Far too difficult to read through.) -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com

Re: [time-nuts] Rock, gas, and air

: Crystal Water: ? Clepsydra? -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy Skype: msmiffy Twitter: @smiffy

Re: [time-nuts] nubie querie

to the centre of the planet, it weighs more? Never really considered this before, but fascinating nonetheless. Wonder if this would affect the moment of a pendulum. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal

Re: [time-nuts] Thermal Time Constant

. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Blog/personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy Skype: msmiffy Twitter: @smiffy

[time-nuts] Oncore, Trimble Antennae

antennae with 5V power - what I don't know is whether they are the same polarity. The Motorola has 5V on the core of the coax - does anyone know if the Trimble ones do the same? If so, I'll just chuck the Trimble antenna onto the Oncore module for testing. Cheers M -- Matthew Smith Smiffytech

Re: [time-nuts] Oncore, Trimble Antennae

. The only reason I'm putting two up there is so that I've got an unpowered, redundant spare. (Using a splitter downstairs.) Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn

Re: [time-nuts] Oncore, Trimble Antennae

always try to do that kind of thing (when I can) in my designs... I wonder if they did? What, and use an extra component? The accountants would never allow it! M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] How can it be :05 in one place and :30 in another

does not have daylight saving.) Our daylight saving started a fortnight early this year, most people not being aware of it until there was a reminder on the television news the night before. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

[time-nuts] Best OS for small time server

into consideration the fact that it is a computer with limited resources in todays terms. Linux or one of the BSDs? Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http

Re: [time-nuts] Trimble 23198-61

the 'fun' of getting it to talk to my USB to serial adapter. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] Best OS for small time server

on that another time - I have some ideas for some rather 'different' clocks that I'd like to build. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] Best OS for small time server

on high resolution timekeeping in Unix kernels. It's a bit dated, circa 1994, but it might be worth a read. I thank you - I'll have a look at this. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] Best OS for small time server

. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] No Echo

by IRC and will report back. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts

Re: [time-nuts] Best OS for small time server

-- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list -- time-nuts@febo.com

[time-nuts] Transmitting a time sync signal - what's the trick?

there in many shapes and forms - but how? Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time

Re: [time-nuts] Transmitting a time sync signal - what's the trick?

how to get a mark in an asynchronous system - so that I could set time with two simple packets. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http

Re: [time-nuts] Transmitting a time sync signal - what's the trick?

probably stick with the microcontroller as I don't think I'll have a PC involved at all when I'm testing the RF link. Many thanks for helping to get this through my thick skull! It seems so simple now... Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development

[time-nuts] GPS-Attached Equipment Lightning Protection

weather system. I'd be interested to know what everyone else is doing in this respect (if anything). Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http

Re: [time-nuts] GPS-Attached Equipment Lightning Protection

the receiver and the MAX232 and use fully isolated and independent power. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

[time-nuts] GPS Antenna Cable Splicing

they be nearly touching? I suppose it would be easier if I used a distribution amp (assuming such things exist at this frequency), but that sounds expensive. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] GPS Antenna Cable Splicing

Franke at 2008-03-02 00:11... First; how long does the total length need to be? With lower loss cables, 10m is no problem. It will probably be 10m if I take the indoor (but more difficult) route. Thanks for your input, folks! Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web

[time-nuts] Trimble 36576-A GPS Module

extension. Or should I just chop the ends off the antenna cable and fly lead and chuck on something a bit more standard like a BNC connector? Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] Trimble 36576-A GPS Module

Couldn't get any closer with that lens... Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] Trimble 36576-A GPS Module

Quoth Matthew Smith at 2008-03-02 11:35... Overview - module with flylead http://www.smiffysplace.com/files/trimble_36576-a_1.jpg I should mention that the two ends of the flylead both have a pin in the centre of the connector and are of differing sizes. The socket on the antenna lead

Re: [time-nuts] Trimble 36576-A GPS Module

into the socket on the PCB. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts

Re: [time-nuts] Trimble 36576-A GPS Module

Quoth Chris Kuethe at 2008-03-02 11:49... SMB, sometimes known as OCX Excellent! Thanks guys. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http

[time-nuts] Mounting GPS Antenna on Steel Roof

on eBay that is good for 10-1880MHz and includes power passing on one output - I guess that this means I am still able to power the active antenna as normal provided that at a receiver is connected to that output. Any comments on this would be much appreciated. Cheers M -- Matthew Smith Smiffytech

Re: [time-nuts] Mounting GPS Antenna on Steel Roof

had thought about putting the time server in the big shed and running an underground Ethernet cable (this is a fairly reasonable proposition) until the reflection issue came up - the shed (also steel) has a North to South roof, so the problem would be even worse. Cheers M -- Matthew Smith

Re: [time-nuts] Mounting GPS Antenna on Steel Roof

by means of a pole with a bit of Blu-Tak on the end; the main ridge requires someone on the roof and a cable extension.) Thanks again to all who have chimed in on this - really much appreciated. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

Re: [time-nuts] Mounting GPS Antenna on Steel Roof

II and Moto Oncore modules will tolerate RS232 levels without conversion? Are we absolutely sure on this - I don't want to fry anything! Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] Mounting GPS Antenna on Steel Roof

for the Trimbles.) The GPS module will also be powered via a high-isolation DC-DC convertor. I don't consider anything that's going to sit between my data network and an antenna overkill! Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

Re: [time-nuts] Mounting GPS Antenna on Steel Roof

until such time as I find a way of making holes that a) doesn't break my drill every other hole and b) actually lines things up properly. (A CNC XY drill rig would be really nice - better buy a lottery ticket.) Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application

Re: [time-nuts] Mounting GPS Antenna on Steel Roof

, for the two serial ports. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts

[time-nuts] Sun Blade 100 as GPS-controlled NTP server

timekeeping (or lack of) an issue? Whichever box gets the job, it will be running OpenBSD. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] Sun Blade 100 as GPS-controlled NTP server

. Might take me a month or so to get the GPS connected - too hot for me to get outside and get an antenna in place at the moment. I will then document the system and run any tests that you fancy... Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business

Re: [time-nuts] How best to compute local time from GPS

with their daylight-saving plans. Anyone who hasn't seen David's scope clock stuff, it's seriously cool. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http

[time-nuts] Joining Antenna Cables (Again)

that I'm doing a mix'n'match of impedances, but comments from the previous thread indicated to me that this shouldn't cause any real problems, even if it is a 'dirty hack'. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

Re: [time-nuts] Joining Antenna Cables (Again)

else. Looks like I'll just have to get the stuff in from the USA like everything else - I was just looking at vendors here in Australia. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] Joining Antenna Cables (Again)

on this. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Tboltmon Serial Port Selection...??

is connected is a mouse. Glad I don't use Windows ;-) Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

[time-nuts] Setting PPS on the OpenBSD kernel

and install the kernel and I'm ready to go? I've only built Linux kernels before - this is all rather new to me. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http

Re: [time-nuts] Setting PPS on the OpenBSD kernel

: nmeaattach_flags=-t dcd /dev/cua00 Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts

[time-nuts] Connecting my Oncores

or whatever - that would guarantee me a factory reset. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

[time-nuts] ntpd not talking to gpsd

is running ntp-4.2.0ap3 and the Linux box 4.2.4p4, the one installed via pkg_add, the other from the default ebuild. Time to pull the antenna now - possible storms about. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com

Re: [time-nuts] Connecting my Oncores

, although I have now spotted a familiar name at the bottom of the man page... I've got the VP and the GT+ here (if I can get the latter to work at all) if you want anything tested. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

Re: [time-nuts] Connecting my Oncores

don't have a good sky view so think that I'll have to wait until the builder finally turns up (already 6 months late) and can get my antennas up on the ridge cap. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com

Re: [time-nuts] Oncore batteries

a manual. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list

Re: [time-nuts] Oncore batteries (and others)

0700 UTC 137'44.5225,-33'59.0904 Can see PRNs: 02,04,05,09,10,12,24,29,30,31 -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] Power monitoring

monitors line voltage and always tells me when it blips or goes out of range (and by how much). Serial connection to my (Linux) server running apcuspd: http://www.apcupsd.org/ Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

[time-nuts] Oncore Checksums

for a microcontroller.) Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy #!/usr/bin/perl -w # Oncore message fixer-upper. use strict

Re: [time-nuts] Oncore Checksums

; } 'Scuse me for being something of a C newbie, but does that not return either a 1 or a 0, but not the checksum? Otherwise, I can follow the logic. Thanks. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal

Re: [time-nuts] Power Monitoring

.) Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Oncore Checksums

-- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Power Monitoring

, it looks identical to a plain old DB-9 to DB-9 serial cable except for the label on it. I got round this by buying a pair of DIY DB9 to RJ45 shells - in fact that's how I do all my serial cables now, CAT6 in the middle. Pinouts are on the web. Cheers M -- Matthew Smith Smiffytech

Re: [time-nuts] Y2K again: Tuesday 03:14:07 GMT, January 19, 2038

'History of the Hour - Clocks and Modern Temporal Orders' by Gerhard Dohrn-van Rossum. Despite the rather dry-sounding title, I am finding this very engaging reading and would recommend it most wholeheartedly to my fellow temporophiles. Cheers M -- Matthew Smith Smiffytech - Technology

Re: [time-nuts] Optical time sync

somehow - can't see all that power being rectified then sent out through a grid-locked inverter. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com

Re: [time-nuts] Favorite DC power Supply?

it be sufficient to power the units from a 13.8V supply? I believe this to be within the voltage range for float-charging the batteries so was guessing that this may be a simple way to provide uninterrupted power to my gear. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application

Re: [time-nuts] Favorite DC power Supply?

float voltage your batteries want and it'll work peachy. Thanks - that's what I was hoping. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com

Re: [time-nuts] Thunderbolt serial connection - null modem or straight through?

was running a load of Wyse terminals off an IBM6150 (RT/PC in the USA). That's before I ever SAW a Pee-Cee; oh happy days... Thing is, even in this day of serial to USB adapters, I wouldn't let anyone take my old Interfaker away! Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web

[time-nuts] NMEA Checksums

with a minor modification to the Oncore checksum (but ignoring the $ and the *) or whether I need to sort out the relevant bits into a new buffer first. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] NMEA Checksums

Quoth Chris Kuethe at 2008-05-28 15:54... Commas matter. The checksum runs over every character between the leading '$' and the '*' delimiter. Ta! That means I can use your Oncore function pretty well as-is. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application

[time-nuts] NMEA Checksums

(but ignoring the $ and the *) or whether I need to sort out the relevant bits into a new buffer first. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com

[time-nuts] NMEA Checksums

buffer first. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time-nuts mailing list

Re: [time-nuts] PCB design questions thread II

paste and a toaster oven - or high-tech equivalent. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] PCB design questions thread II

for near-domestic freight prices. Great for those of us living in countries where board houses require arm, leg and first-born for even small/simple jobs. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http

Re: [time-nuts] PCB design questions thread II

. Think I might post that link over on the Homebrew PCB list, as I know that the question has been asked there fairly recently. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com

[time-nuts] USB to Serial Connectors for GPS Modules

-only PCs. Didn't know if there were any latency issues or anything. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] USB to Serial Connectors for GPS Modules

on the house computer, for instance.) Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy ___ time

Re: [time-nuts] [Fwd: Re: Thunderbolt PS]

question myself - I was thinking (if I get one of these) of building a HiFi quality supply with traditional linear regulators. Maybe not as efficient as a switcher, but far less noisy. -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http

[time-nuts] NTPD PPS on OpenSolaris

(where I know everything should work) box will be doing the job. Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy

Re: [time-nuts] NTPD PPS on OpenSolaris

/December, so hopefully everything should be there by then. Yes! Finally I get ZFS! Cheers M -- Matthew Smith Smiffytech - Technology Consulting Web Application Development Business: http://www.smiffytech.com/ Personal: http://www.smiffysplace.com/ LinkedIn: http://www.linkedin.com/in/smiffy