These maps will give you some sense of reference as to where TUSLOG Detachment 150 was located in Turkey.  The background information further down in the page will place this site's location in context with then-world events.

The formal geographical location was Sahintepe Radio Relay Link, Sahintepe, District of Gemlik, Province of Bursa, Turkey. 

 
www.expedia.com  

Here's a high level map from Expedia.com which shows the site's location in relation to local reference points.  Sahintepe is located just to the upper right above Gemlik.

Looking a little closer on a navigational map, we can see some detailed information on where TUSLOG Detachment 150 was located at Sahintepe. 

The billboard antennas shown in the picture on this site's TUSLOG Detachment 150 page are clearly marked on this aviation map.  You'll notice "Yalova" a little bit above the Sahintepe antenna markings.   Yalova, a city located about 30 miles away, had a military air strip called "Site 4" which served the old Karamursel Air Base when it was operational.  A small radio transmitter-repeated operated by TUSLOG Detachment 150 relayed radio signals to some Turkish military units in the Yalova area.

For those who know how to plot latitude and longitude, here is the locational information for TUSLOG Detachment 150 (within about 3 feet or so):

Latitude: 40,46667
Longitude: 29,21667
(Decimal degrees)

Latitude (DMS): 40° 28' 0 N
Longitude (DMS): 29° 13' 0 E
(Degrees, minutes and seconds)
Nearest town:  Sahinyurdu   District:  Gemlik   Province:  Bursa