Members receive hardcopies of Probe as soon as they are printed. Probes are made available for free download in PDF format, except for the latest two editions, which are only offered to members.

Members Only

Hardcopies received by members:

  •    Probe 182 December 2019
  •    Probe 181 September 2019


  • Free downloads for EVERYONE!


    Full-size images have variable sizes between 100K (very old) and 8 MB (more recent). Most of the PDF documents have variable sizes, usually between 2 and 8 MB. The 50th Anniversary issue #180 contains many photographs, and is 35MB!

  •    Probe 180 June 2019
  •    Probe 179 March 2019
  •    Probe 178 December 2018
  •    Probe 177 September 2018
  •    Probe 176 June 2018
  •    Probe 175 March 2018
  •    Probe 174 December 2017
  •    Probe 173 September 2017
  •    Probe 172 June 2017
  •    Probe 171 March 2017
  •    Probe 170 December 2016
  •    Probe 169 September 2016
  •    Probe 168 June 2016
  •    Probe 167 March 2016
  •    Probe 166 December 2015
  •    Probe 165 September 2015
  •    Probe 164 June 2015
  •    Probe 163 March 2015
  •    Probe 162 December 2014
  •    Probe 161 September 2014
  •    Probe 160 July 2014
  •    Probe 159 March 2014
  •    Probe 158 Year End 2013
  •    Probe 157 Spring 2013
  •    Probe 156 Winter 2013
  •    Probe 155 Summer 2013
  •    Probe 154 Year End 2012
  •    Probe 153 Spring 2012
  •    Probe 152 Winter 2012
  •    Probe 151 Autumn 2012
  •    Probe 132 Year End 2006


  • All issues of Probe are in pdf format