diff --git a/sf-buffer/jungfrau.hpp b/sf-buffer/jungfrau.hpp
new file mode 100644
index 0000000..f59093f
--- /dev/null
+++ b/sf-buffer/jungfrau.hpp
@@ -0,0 +1,33 @@
+#ifndef JUNGFRAU_H
+#define JUNGFRAU_H
+
+#define JUNGFRAU_BYTES_PER_PACKET 8246
+#define JUNGFRAU_DATA_BYTES_PER_PACKET 8192
+#define JUNGFRAU_N_PACKETS_PER_FRAME 128
+
+// 6 bytes + 48 bytes + 8192 bytes = 8246 bytes
+#pragma pack(push)
+#pragma pack(2)
+struct jungfrau_packet {
+    char emptyheader[6];
+    uint64_t framenum;
+    uint32_t exptime;
+    uint32_t packetnum;
+
+    double bunchid;
+    uint64_t timestamp;
+
+    uint16_t moduleID;
+    uint16_t xCoord;
+    uint16_t yCoord;
+    uint16_t zCoord;
+
+    uint32_t debug;
+    uint16_t roundRobin;
+    uint8_t detectortype;
+    uint8_t headerVersion;
+    char data[JUNGFRAU_DATA_BYTES_PER_PACKET];
+};
+#pragma pack(pop)
+
+#endif
\ No newline at end of file