Packet #271829 Success

TRACEROUTE_APP packet from 3r3.base (3r3b) to Bryn Mawr Base (BRYN)

5
Total Receptions
4
Unique Gateways
3
Hop Count
74
Payload Bytes
Packet Information
Database ID: 271829
Mesh Packet ID: 0xe6d626b3
Used for correlation across gateways
Timestamp: 2026-04-10 06:52:27 UTC
From Node: 3r3.base (3r3b)
To Node: Bryn Mawr Base (BRYN)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Kyle Yank (KYLE)
Channel: LongFast
RSSI: -115 dBm
SNR: -7.0 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: 38 a338 , 7e38
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: 74 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Bryn Mawr Base (BRYN) 3r3.base (3r3b)
Hop Count: 1 hops
Status: Forward incomplete, Return in progress
SNR Towards: 0.0 dB -18.0 dB
Return Path: Fengers 1f59 (1f59) WN-2b1a (2b1a) Meshtastic 7e38 (7e38) Kyle Yank (KYLE)
SNR Back: -19.0 dB -8.0 dB 2.25 dB -7.0 dB
Route Visualization
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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 Bryn Mawr Base (BRYN) Bryn Mawr Base (BRYN) 0 m 0.0 dB Origin Hops
2 Bryn Mawr Base (BRYN) 3r3.base (3r3b) 9.51 km -18.0 dB Relay Hops
3 3r3.base (3r3b) 3r3.base (3r3b) 0 m Unknown Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 3r3.base (3r3b) Fengers 1f59 (1f59) 21.31 km -19.0 dB Return Start Hops
2 Fengers 1f59 (1f59) WN-2b1a (2b1a) 4.46 km -8.0 dB Return Relay Hops
3 WN-2b1a (2b1a) Meshtastic 7e38 (7e38) Unknown 2.25 dB Return Relay Hops
4 Meshtastic 7e38 (7e38) Kyle Yank (KYLE) Unknown -7.0 dB Return End Hops
Total Forward Distance
9.51 km
Total Return Distance
25.77 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:74 bytes
Gateway:!a0cbc2c4
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:3 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cbc2c4
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 357792836
Source node ID
uint32
to 382653768
Target node ID
uint32
decoded.portnum 70
TRACEROUTE_APP
enum
decoded.payload_length 74 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -115.0 dBm
Signal strength at gateway
int32
rx_snr -7.00 dB
Signal quality at gateway
float
rx_time 1775803947
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 56
Relay node ID
uint32
tx_after Not set uint32
timestamp 1775803947.507303
Unix timestamp
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)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cbc2c4
Signal Metrics: RSSI: -115.0 dBm
SNR: -7.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 382653768, 357792836 ], "snr_towards": [ 0.0, -18.0 ], "route_back": [ 1923096409, 337849114, 1770356280, 2697708228 ], "snr_back": [ -19.0, -8.0, 2.25, -7.0 ], "route_node_names": { "357792836": "3r3.base (3r3b)", "2697708228": "Kyle Yank (KYLE)", "382653768": "Bryn Mawr Base (BRYN)", "1770356280": "Meshtastic 7e38 (7e38)", "1923096409": "Fengers 1f59 (1f59)", "337849114": "WN-2b1a (2b1a)" }, "traceroute_packet": { "packet_data": { "id": 271829, "timestamp": 1775803947.507303, "from_node_id": 357792836, "to_node_id": 382653768, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!a0cbc2c4", "channel_id": "LongFast", "mesh_packet_id": 3872794291, "rssi": -115, "snr": -7.0, "hop_limit": 2, "hop_start": 5, "payload_length": 74, "processed_successfully": 1, "raw_payload": "0a0848d5ce16447c5315120b00b8ffffffffffffffff011a10591fa0721a2b2314387e8569c4c2cba0221fb4ffffffffffffffff01e0ffffffffffffffff0109e4ffffffffffffffff01", "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1775803947, "pki_encrypted": 0, "next_hop": 0, "relay_node": 56, "tx_after": 0, "timestamp_str": "2026-04-10 06:52:27 UTC", "hop_count": 3, "has_payload": true, "success": 1, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Bryn Mawr Base (BRYN)", "relay_hex": "38", "relay_candidates": [ { "node_id": 1244373816, "node_name": "Roaster", "hex_id": "!4a2ba338", "short_name": "a338", "last_byte": "38" }, { "node_id": 1770356280, "node_name": "Meshtastic 7e38", "hex_id": "!69857e38", "short_name": "7e38", "last_byte": "38" } ], "gateway_name": "Kyle Yank (KYLE)", "gateway_location": { "node_id": 2697708228, "latitude": 40.1145856, "longitude": -75.3205248, "altitude": null, "timestamp": 1775852520.6380959, "timestamp_str": "2026-04-10 20:22:00", "display_name": "Kyle Yank", "long_name": "Kyle Yank", "short_name": "KYLE", "hw_model": "HELTEC_WIRELESS_PAPER" } }, "resolve_names": true, "packet_id": 271829, "from_node_id": 357792836, "to_node_id": 382653768, "timestamp": 1775803947.507303, "gateway_id": "!a0cbc2c4", "raw_payload": "0a0848d5ce16447c5315120b00b8ffffffffffffffff011a10591fa0721a2b2314387e8569c4c2cba0221fb4ffffffffffffffff01e0ffffffffffffffff0109e4ffffffffffffffff01", "hop_limit": 2, "hop_start": 5, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Bryn Mawr Base (BRYN)", "route_data": { "route_nodes": [ 382653768, 357792836 ], "snr_towards": [ 0.0, -18.0 ], "route_back": [ 1923096409, 337849114, 1770356280, 2697708228 ], "snr_back": [ -19.0, -8.0, 2.25, -7.0 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 382653768, 382653768, 357792836, 357792836 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Bryn Mawr Base (BRYN)", "3r3.base (3r3b)", "3r3.base (3r3b)" ], "snr_values": [ 0.0, -18.0 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 382653768, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775754584.368795, "to_location_timestamp": 1775754584.368795, "from_location_age_warning": "from 13.7h ago", "to_location_age_warning": "from 13.7h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 357792836, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "3r3.base (3r3b)", "snr": -18.0, "direction": "forward", "is_target_hop": false, "distance_meters": 9514.352307492856, "from_location_timestamp": 1775754584.368795, "to_location_timestamp": 1775760602.158592, "from_location_age_warning": "from 13.7h ago", "to_location_age_warning": "from 12.0h ago" }, { "hop_number": 3, "from_node_id": 357792836, "to_node_id": 357792836, "from_node_name": "3r3.base (3r3b)", "to_node_name": "3r3.base (3r3b)", "snr": null, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775760602.158592, "to_location_timestamp": 1775760602.158592, "from_location_age_warning": "from 12.0h ago", "to_location_age_warning": "from 12.0h ago" } ], "is_complete": false, "total_hops": 3 }, "return_path": { "path_type": "return", "node_ids": [ 357792836, 1923096409, 337849114, 1770356280, 2697708228 ], "node_names": [ "3r3.base (3r3b)", "Fengers 1f59 (1f59)", "WN-2b1a (2b1a)", "Meshtastic 7e38 (7e38)", "Kyle Yank (KYLE)" ], "snr_values": [ -19.0, -8.0, 2.25, -7.0 ], "hops": [ { "hop_number": 1, "from_node_id": 357792836, "to_node_id": 1923096409, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Fengers 1f59 (1f59)", "snr": -19.0, "direction": "return", "is_target_hop": false, "distance_meters": 21314.07297003924, "from_location_timestamp": 1775760602.158592, "to_location_timestamp": 1775803707.737977, "from_location_age_warning": "from 12.0h ago", "to_location_age_warning": "from 0.1h ago" }, { "hop_number": 2, "from_node_id": 1923096409, "to_node_id": 337849114, "from_node_name": "Fengers 1f59 (1f59)", "to_node_name": "WN-2b1a (2b1a)", "snr": -8.0, "direction": "return", "is_target_hop": false, "distance_meters": 4457.106113333928, "from_location_timestamp": 1775803707.737977, "to_location_timestamp": 1775802299.8863559, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 3, "from_node_id": 337849114, "to_node_id": 1770356280, "from_node_name": "WN-2b1a (2b1a)", "to_node_name": "Meshtastic 7e38 (7e38)", "snr": 2.25, "direction": "return", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 4, "from_node_id": 1770356280, "to_node_id": 2697708228, "from_node_name": "Meshtastic 7e38 (7e38)", "to_node_name": "Kyle Yank (KYLE)", "snr": -7.0, "direction": "return", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 4 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 382653768, 357792836, 1923096409, 337849114, 1770356280, 2697708228 ], "node_names": [ "Bryn Mawr Base (BRYN)", "3r3.base (3r3b)", "Fengers 1f59 (1f59)", "WN-2b1a (2b1a)", "Meshtastic 7e38 (7e38)", "Kyle Yank (KYLE)" ], "snr_values": [ 0.0, -18.0, -19.0, -8.0, 2.25, -7.0 ], "hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 382653768, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 0.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775754584.368795, "to_location_timestamp": 1775754584.368795, "from_location_age_warning": "from 13.7h ago", "to_location_age_warning": "from 13.7h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 357792836, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "3r3.base (3r3b)", "snr": -18.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 9514.352307492856, "from_location_timestamp": 1775754584.368795, "to_location_timestamp": 1775760602.158592, "from_location_age_warning": "from 13.7h ago", "to_location_age_warning": "from 12.0h ago" }, { "hop_number": 3, "from_node_id": 357792836, "to_node_id": 1923096409, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Fengers 1f59 (1f59)", "snr": -19.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": 21314.07297003924, "from_location_timestamp": 1775760602.158592, "to_location_timestamp": 1775803707.737977, "from_location_age_warning": "from 12.0h ago", "to_location_age_warning": "from 0.1h ago" }, { "hop_number": 4, "from_node_id": 1923096409, "to_node_id": 337849114, "from_node_name": "Fengers 1f59 (1f59)", "to_node_name": "WN-2b1a (2b1a)", "snr": -8.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": 4457.106113333928, "from_location_timestamp": 1775803707.737977, "to_location_timestamp": 1775802299.8863559, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 5, "from_node_id": 337849114, "to_node_id": 1770356280, "from_node_name": "WN-2b1a (2b1a)", "to_node_name": "Meshtastic 7e38 (7e38)", "snr": 2.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 6, "from_node_id": 1770356280, "to_node_id": 2697708228, "from_node_name": "Meshtastic 7e38 (7e38)", "to_node_name": "Kyle Yank (KYLE)", "snr": -7.0, "direction": "return_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 6 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Bryn Mawr Base (BRYN) → Bryn Mawr Base (BRYN) → 3r3.base (3r3b) → 3r3.base (3r3b)", "return_path_display": "3r3.base (3r3b) → Fengers 1f59 (1f59) → WN-2b1a (2b1a) → Meshtastic 7e38 (7e38) → Kyle Yank (KYLE)", "actual_rf_path_display": "Bryn Mawr Base (BRYN) → 3r3.base (3r3b) → Fengers 1f59 (1f59) → WN-2b1a (2b1a) → Meshtastic 7e38 (7e38) → Kyle Yank (KYLE)", "forward_hops": [ { "hop_number": 1, "from_node_id": 382653768, "to_node_id": 382653768, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "Bryn Mawr Base (BRYN)", "snr": 0.0, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775754584.368795, "to_location_timestamp": 1775754584.368795, "from_location_age_warning": "from 13.7h ago", "to_location_age_warning": "from 13.7h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 357792836, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "3r3.base (3r3b)", "snr": -18.0, "direction": "forward", "is_target_hop": false, "distance_meters": 9514.352307492856, "from_location_timestamp": 1775754584.368795, "to_location_timestamp": 1775760602.158592, "from_location_age_warning": "from 13.7h ago", "to_location_age_warning": "from 12.0h ago" }, { "hop_number": 3, "from_node_id": 357792836, "to_node_id": 357792836, "from_node_name": "3r3.base (3r3b)", "to_node_name": "3r3.base (3r3b)", "snr": null, "direction": "forward", "is_target_hop": false, "distance_meters": 0.0, "from_location_timestamp": 1775760602.158592, "to_location_timestamp": 1775760602.158592, "from_location_age_warning": "from 12.0h ago", "to_location_age_warning": "from 12.0h ago" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 357792836, "to_node_id": 1923096409, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Fengers 1f59 (1f59)", "snr": -19.0, "direction": "return", "is_target_hop": false, "distance_meters": 21314.07297003924, "from_location_timestamp": 1775760602.158592, "to_location_timestamp": 1775803707.737977, "from_location_age_warning": "from 12.0h ago", "to_location_age_warning": "from 0.1h ago" }, { "hop_number": 2, "from_node_id": 1923096409, "to_node_id": 337849114, "from_node_name": "Fengers 1f59 (1f59)", "to_node_name": "WN-2b1a (2b1a)", "snr": -8.0, "direction": "return", "is_target_hop": false, "distance_meters": 4457.106113333928, "from_location_timestamp": 1775803707.737977, "to_location_timestamp": 1775802299.8863559, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 0.5h ago" }, { "hop_number": 3, "from_node_id": 337849114, "to_node_id": 1770356280, "from_node_name": "WN-2b1a (2b1a)", "to_node_name": "Meshtastic 7e38 (7e38)", "snr": 2.25, "direction": "return", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 4, "from_node_id": 1770356280, "to_node_id": 2697708228, "from_node_name": "Meshtastic 7e38 (7e38)", "to_node_name": "Kyle Yank (KYLE)", "snr": -7.0, "direction": "return", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "total_forward_distance": 9514.352307492856, "total_return_distance": 25771.17908337317 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cbc2c4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 357792836, "to": 382653768, "id": 3872794291, "rx_time": 1775803947, "rx_snr": -7.0, "rx_rssi": -115, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 56, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a0848d5ce16447c5315120b00b8ffffffffffffffff011a10591fa0721a2b2314387e8569c4c2cba0221fb4ffffffffffffffff01e0ffffffffffffffff0109e4ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 382653768, 357792836 ], "snr_towards": [ 0, -72 ], "route_back": [ 1923096409, 337849114, 1770356280, 2697708228 ], "snr_back": [ -76, -32, 9, -28 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (74 bytes)
0a0848d5ce16447c5315120b00b8ffffffffffffffff011a10591fa0721a2b2314387e8569c4c2cba0221fb4ffffffffffffffff01e0ffffffffffffffff0109e4ffffffffffffffff01
Hex Analysis:
Size:74 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
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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
Kyle Yank (KYLE) Primary 0.000s
Reference
-115.0 dBm -7.00 dB 3 38 a338 , 7e38 LongFast 2026-04-10 06:52:27 UTC Current
homebase.mesh.sdr.lol (SDRB) -13.765s
Before
-113.0 dBm -6.25 dB 4 14 4814 , DSTY , PM04 LongFast 2026-04-10 06:52:13 UTC View
Yanks Attic Node (YANK) -0.024s
Before
-106.0 dBm 2.75 dB 3 38 a338 , 7e38 , LB_2 LongFast 2026-04-10 06:52:27 UTC View
SG-Command (SG-C) +8.368s
After
-114.0 dBm -16.75 dB 4 31 LongFast 2026-04-10 06:52:35 UTC View
SG-Command (SG-C) +8.544s
After
-114.0 dBm -16.75 dB 4 31 LongFast 2026-04-10 06:52:36 UTC View
5

Total Receptions

4

Unique Gateways