* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_1;
+package org.altusmetrum.altoslib_2;
import java.util.*;
import java.text.*;
public double frequency() {
int channel = radio_channel;
int setting = radio_setting;
+
+ if (radio_frequency < 0 && channel < 0 && setting < 0)
+ return -1;
+
if (channel < 0)
channel = 0;
if (setting < 0)