Packet #219239 Success

TRACEROUTE_APP packet from KT3H R3 - attic (KTH3) to PhillyRouter01 (PHL1)

8
Total Receptions
8
Unique Gateways
2
Hop Count
37
Payload Bytes
Packet Information
Database ID: 219239
Mesh Packet ID: 0x4a652c85
Used for correlation across gateways
Timestamp: 2026-06-12 13:49:18 UTC
From Node: KT3H R3 - attic (KTH3)
To Node: PhillyRouter01 (PHL1)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Bryn Mawr Base (BRYN)
Channel: LongFast
RSSI: -81 dBm
SNR: 4.25 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: 94 2N39 , NOFI
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TRACEROUTE_APP
Size: 37 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: GCARC Clubhouse (HAM1) → BM-RELAY (BM-) → Bryn Mawr Base (BRYN)
Hop Count: 2 hops
Status: Incomplete - Final destination not reached
SNR Towards: -17.25 dB -12.5 dB 4.25 dB
Route Visualization

Loading route map...

Map shows the geographic path if nodes have shared location data.
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 KT3H R3 - attic (KTH3) GCARC Clubhouse (HAM1) 24.98 km -17.25 dB Origin Hops
2 GCARC Clubhouse (HAM1) BM-RELAY (BM-) 36.14 km -12.5 dB Relay Hops
3 BM-RELAY (BM-) Bryn Mawr Base (BRYN) 975 m 4.25 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
62.10 km
Combined Traceroute Graph
Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details

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Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
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Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:37 bytes
Gateway:!16ced548
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:2 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !16ced548
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2195243205
Source node ID 		uint32
to 504791385
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 37 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -81.0 dBm
Signal strength at gateway 		int32
rx_snr 4.25 dB
Signal quality at gateway 		float
rx_time 1781272158
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority Not set enum
delayed Not set enum
channel 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 148
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !16ced548
Signal Metrics: RSSI: -81.0 dBm
SNR: 4.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 3376478883, 4083186324, 382653768 ], "snr_towards": [ -17.25, -12.5, 4.25 ], "route_back": [], "snr_back": [], "route_node_names": { "3376478883": "GCARC Clubhouse (HAM1)", "2195243205": "KT3H R3 - attic (KTH3)", "382653768": "Bryn Mawr Base (BRYN)", "4083186324": "BM-RELAY (BM-)", "504791385": "PhillyRouter01 (PHL1)" }, "traceroute_packet": { "packet_data": { "id": 219239, "timestamp": 1781272158.8238692, "from_node_id": 2195243205, "to_node_id": 504791385, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!16ced548", "channel_id": "LongFast", "mesh_packet_id": 1248144517, "rssi": -81, "snr": 4.25, "hop_limit": 3, "hop_start": 5, "payload_length": 37, "processed_successfully": 1, "raw_payload": "0a0ca3fa40c9947a60f348d5ce161215bbffffffffffffffff01ceffffffffffffffff0111", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1781272158, "pki_encrypted": 0, "next_hop": 0, "relay_node": 148, "tx_after": 0, "raw_service_envelope": "0a670dc5c0d882155981161e18082a323ccb5310114b8332bfab003b28a07c1d4c07239e0a1b99b96da80814ee0eb92324fd269fa3aac620d8d87efe6aa5a47f8de535852c654a3d5e0e2c6a45000088404803500160afffffffffffffffff01780598019401a8010112084c6f6e67466173741a09213136636564353438", "timestamp_str": "2026-06-12 13:49:18 UTC", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "KT3H R3 - attic (KTH3)", "to_node_name": "PhillyRouter01 (PHL1)", "relay_hex": "94", "relay_candidates": [ { "node_id": 80063124, "node_name": "2N3904", "hex_id": "!04c5aa94", "short_name": "2N39", "last_byte": "94" }, { "node_id": 4134261652, "node_name": "NotMyFirstNodeo.DST", "hex_id": "!f66bd394", "short_name": "NOFI", "last_byte": "94" } ], "gateway_name": "Bryn Mawr Base (BRYN)", "gateway_location": { "node_id": 382653768, "latitude": 40.0228352, "longitude": -75.3205248, "altitude": 130, "timestamp": 1785281017.3413763, "timestamp_str": "2026-07-28 23:23:37", "display_name": "Bryn Mawr Base", "long_name": "Bryn Mawr Base", "short_name": "BRYN", "hw_model": "STATION_G2" } }, "resolve_names": true, "packet_id": 219239, "from_node_id": 2195243205, "to_node_id": 504791385, "timestamp": 1781272158.8238692, "gateway_id": "!16ced548", "raw_payload": "0a0ca3fa40c9947a60f348d5ce161215bbffffffffffffffff01ceffffffffffffffff0111", "hop_limit": 3, "hop_start": 5, "from_node_name": "KT3H R3 - attic (KTH3)", "to_node_name": "!1e168159", "route_data": { "route_nodes": [ 3376478883, 4083186324, 382653768 ], "snr_towards": [ -17.25, -12.5, 4.25 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2195243205, 3376478883, 4083186324, 382653768 ], "node_names": [ "KT3H R3 - attic (KTH3)", "GCARC Clubhouse (HAM1)", "BM-RELAY (BM-)", "Bryn Mawr Base (BRYN)" ], "snr_values": [ -17.25, -12.5, 4.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2195243205, "to_node_id": 3376478883, "from_node_name": "KT3H R3 - attic (KTH3)", "to_node_name": "GCARC Clubhouse (HAM1)", "snr": -17.25, "direction": "forward", "is_target_hop": false, "distance_meters": 24979.712229187568, "from_location_timestamp": 1781268517.9902642, "to_location_timestamp": 1781265321.785819, "from_location_age_warning": "from 1.0h ago", "to_location_age_warning": "from 1.9h ago" }, { "hop_number": 2, "from_node_id": 3376478883, "to_node_id": 4083186324, "from_node_name": "GCARC Clubhouse (HAM1)", "to_node_name": "BM-RELAY (BM-)", "snr": -12.5, "direction": "forward", "is_target_hop": false, "distance_meters": 36140.86334228561, "from_location_timestamp": 1781265321.785819, "to_location_timestamp": 1781268090.652955, "from_location_age_warning": "from 1.9h ago", "to_location_age_warning": "from 1.1h ago" }, { "hop_number": 3, "from_node_id": 4083186324, "to_node_id": 382653768, "from_node_name": "BM-RELAY (BM-)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 4.25, "direction": "forward", "is_target_hop": false, "distance_meters": 975.2059011957012, "from_location_timestamp": 1781268090.652955, "to_location_timestamp": 1781215638.103081, "from_location_age_warning": "from 1.1h ago", "to_location_age_warning": "from 15.7h ago" } ], "is_complete": false, "total_hops": 3 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2195243205, 3376478883, 4083186324, 382653768 ], "node_names": [ "KT3H R3 - attic (KTH3)", "GCARC Clubhouse (HAM1)", "BM-RELAY (BM-)", "Bryn Mawr Base (BRYN)" ], "snr_values": [ -17.25, -12.5, 4.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2195243205, "to_node_id": 3376478883, "from_node_name": "KT3H R3 - attic (KTH3)", "to_node_name": "GCARC Clubhouse (HAM1)", "snr": -17.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 24979.712229187568, "from_location_timestamp": 1781268517.9902642, "to_location_timestamp": 1781265321.785819, "from_location_age_warning": "from 1.0h ago", "to_location_age_warning": "from 1.9h ago" }, { "hop_number": 2, "from_node_id": 3376478883, "to_node_id": 4083186324, "from_node_name": "GCARC Clubhouse (HAM1)", "to_node_name": "BM-RELAY (BM-)", "snr": -12.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 36140.86334228561, "from_location_timestamp": 1781265321.785819, "to_location_timestamp": 1781268090.652955, "from_location_age_warning": "from 1.9h ago", "to_location_age_warning": "from 1.1h ago" }, { "hop_number": 3, "from_node_id": 4083186324, "to_node_id": 382653768, "from_node_name": "BM-RELAY (BM-)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 4.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 975.2059011957012, "from_location_timestamp": 1781268090.652955, "to_location_timestamp": 1781215638.103081, "from_location_age_warning": "from 1.1h ago", "to_location_age_warning": "from 15.7h ago" } ], "is_complete": false, "total_hops": 3 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "KT3H R3 - attic (KTH3) → GCARC Clubhouse (HAM1) → BM-RELAY (BM-) → Bryn Mawr Base (BRYN)", "return_path_display": null, "actual_rf_path_display": "KT3H R3 - attic (KTH3) → GCARC Clubhouse (HAM1) → BM-RELAY (BM-) → Bryn Mawr Base (BRYN)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2195243205, "to_node_id": 3376478883, "from_node_name": "KT3H R3 - attic (KTH3)", "to_node_name": "GCARC Clubhouse (HAM1)", "snr": -17.25, "direction": "forward", "is_target_hop": false, "distance_meters": 24979.712229187568, "from_location_timestamp": 1781268517.9902642, "to_location_timestamp": 1781265321.785819, "from_location_age_warning": "from 1.0h ago", "to_location_age_warning": "from 1.9h ago" }, { "hop_number": 2, "from_node_id": 3376478883, "to_node_id": 4083186324, "from_node_name": "GCARC Clubhouse (HAM1)", "to_node_name": "BM-RELAY (BM-)", "snr": -12.5, "direction": "forward", "is_target_hop": false, "distance_meters": 36140.86334228561, "from_location_timestamp": 1781265321.785819, "to_location_timestamp": 1781268090.652955, "from_location_age_warning": "from 1.9h ago", "to_location_age_warning": "from 1.1h ago" }, { "hop_number": 3, "from_node_id": 4083186324, "to_node_id": 382653768, "from_node_name": "BM-RELAY (BM-)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 4.25, "direction": "forward", "is_target_hop": false, "distance_meters": 975.2059011957012, "from_location_timestamp": 1781268090.652955, "to_location_timestamp": 1781215638.103081, "from_location_age_warning": "from 1.1h ago", "to_location_age_warning": "from 15.7h ago" } ], "return_hops": [], "total_forward_distance": 62095.781472668874, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2195243205, "to": 504791385, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "Cgyj+kDJlHpg80jVzhYSFbv//////////wHO//////////8BEQ==", "want_response": true, "dest": 504791385, "bitfield": 3 }, "id": 1248144517, "rx_time": 1781272158, "rx_snr": 4.25, "hop_limit": 3, "want_ack": true, "rx_rssi": -81, "hop_start": 5, "relay_node": 148, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!16ced548" }, "mesh_packet": { "from": 2195243205, "to": 504791385, "channel": 8, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "Cgyj+kDJlHpg80jVzhYSFbv//////////wHO//////////8BEQ==", "want_response": true, "dest": 504791385, "bitfield": 3, "parsed_payload": { "route": [ 3376478883, 4083186324, 382653768 ], "snr_towards": [ -69, -50, 17 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 1248144517, "rx_time": 1781272158, "rx_snr": 4.25, "hop_limit": 3, "want_ack": true, "rx_rssi": -81, "hop_start": 5, "relay_node": 148, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (37 bytes)
0a0ca3fa40c9947a60f348d5ce161215bbffffffffffffffff01ceffffffffffffffff0111
Hex Analysis:
Size:37 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
Bryn Mawr Base (BRYN) Primary 0.000s
Reference 		-81.0 dBm 4.25 dB 2 94 2N39 , NOFI LongFast 2026-06-12 13:49:18 UTC Current
1 hop Gateways that received this packet after 1 hop
homebase.mesh.sdr.lol (SDRB) -1.422s
Before 		-126.0 dBm -16.50 dB 1 a3 LongFast 2026-06-12 13:49:17 UTC View
IsenMesh.Base2.PA (ISB2) -1.728s
Before 		-106.0 dBm -11.75 dB 1 a3 LongFast 2026-06-12 13:49:17 UTC View
2 hops Gateways that received this packet after 2 hops
Meshtastic 8810 (NtSq) -0.532s
Before 		-109.0 dBm -13.25 dB 2 - LongFast 2026-06-12 13:49:18 UTC View
3 hops Gateways that received this packet after 3 hops
NotMyFirstNodeo.DST (NOFI) +17.440s
After 		-46.0 dBm 7.50 dB 3 9b BUOY LongFast 2026-06-12 13:49:36 UTC View
4 hops Gateways that received this packet after 4 hops
MOMOMonitor (MMMN) +18.961s
After 		-53.0 dBm 6.50 dB 4 75 MMBA LongFast 2026-06-12 13:49:37 UTC View
5 hops Gateways that received this packet after 5 hops
Meshtastic Point Breeze (ASAP) +12.866s
After 		-107.0 dBm -9.50 dB 5 d4 RFC1 LongFast 2026-06-12 13:49:31 UTC View
Phlm.sh - Deadly Beef (beef) +8.781s
After 		-75.0 dBm -5.00 dB 5 38 a338 , 7e38 LongFast 2026-06-12 13:49:27 UTC View
8

Total Receptions

8

Unique Gateways