Shown L to R
Heathkit " Station Scope" used for tuning RTTY signals, Icom IC-740  Transceiver, Above the 740 is a An AEA PK232 Multi-Mode digital modem, later upgraded to the MBX software, Yaesu FRG- 7 General Coverage Rceiver.  Dave prefers to operate digital modes, especially RTTY 1982-2005.  Valhalla is a great "Radio Spot" due to its remoteness, open, high location and very quiet noise levels. 
View 2009 Station

Here's the first 2006  setup, IC-706 is the mainstay transceiver Liked it so much, I bought another one. L to R Collins 30L 1 KW Amplifier, ICOM IC-706