Packet #151455 Success

TRACEROUTE_APP packet from BM BASE2 (BMr2) to Bryn Mawr Base (BRYN)

2
Total Receptions
2
Unique Gateways
4
Hop Count
83
Payload Bytes
Packet Information
Database ID: 151455
Mesh Packet ID: 0x5237aef2
Used for correlation across gateways
Timestamp: 2026-04-03 06:54:19 UTC
From Node: BM BASE2 (BMr2)
To Node: Bryn Mawr Base (BRYN)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: ☘️🦙0: Take Me 🏠 Country Nodes (LRG0)
Channel: LongFast
RSSI: -119 dBm
SNR: -18.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 84 Jim
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: 83 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Bryn Mawr Base (BRYN) → BM BASE2 (BMr2)
Hop Count: 1 hops
Status: Forward incomplete, Return in progress
SNR Towards: 0.0 dB -12.75 dB
Return Path: NEXUS ONE (NXS1) → 3r3.base (3r3b) → Meshtastic 7e38 (7e38) → Eagleville / Worcester Twp (Jim)
SNR Back: -16.25 dB -0.75 dB -15.0 dB -8.25 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 Bryn Mawr Base (BRYN) Bryn Mawr Base (BRYN) 0 m 0.0 dB Origin Hops
2 Bryn Mawr Base (BRYN) BM BASE2 (BMr2) Unknown -12.75 dB Relay Hops
3 BM BASE2 (BMr2) BM BASE2 (BMr2) Unknown Unknown Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 BM BASE2 (BMr2) NEXUS ONE (NXS1) Unknown -16.25 dB Return Start Hops
2 NEXUS ONE (NXS1) 3r3.base (3r3b) Unknown -0.75 dB Return Relay Hops
3 3r3.base (3r3b) Meshtastic 7e38 (7e38) Unknown -15.0 dB Return Relay Hops
4 Meshtastic 7e38 (7e38) Eagleville / Worcester Twp (Jim) Unknown -8.25 dB Return End Hops
Combined Traceroute Graph
Controls: Drag nodes to rearrange • Mouse wheel to zoom • Click and drag background to pan • Hover for details

Building graph...

Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
Loading paths...
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:83 bytes
Gateway:!16c3f37c
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:4 / 4
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 !16c3f37c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (83 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2991676503
Source node ID 		uint32
to 382653768
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 83 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -119.0 dBm
Signal strength at gateway 		int32
rx_snr -18.00 dB
Signal quality at gateway 		float
rx_time 1775199259
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 132
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1775199259.6257067
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !16c3f37c
Signal Metrics: RSSI: -119.0 dBm
SNR: -18.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:83 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 382653768, 2991676503 ], "snr_towards": [ 0.0, -12.75 ], "route_back": [ 621067140, 357792836, 1770356280, 2997291908 ], "snr_back": [ -16.25, -0.75, -15.0, -8.25 ], "route_node_names": { "357792836": "3r3.base (3r3b)", "621067140": "NEXUS ONE (NXS1)", "2997291908": "Eagleville / Worcester Twp (Jim)", "382653768": "Bryn Mawr Base (BRYN)", "2991676503": "BM BASE2 (BMr2)", "1770356280": "Meshtastic 7e38 (7e38)" }, "traceroute_packet": { "packet_data": { "id": 151455, "timestamp": 1775199259.6257067, "from_node_id": 2991676503, "to_node_id": 382653768, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!16c3f37c", "channel_id": "LongFast", "mesh_packet_id": 1379380978, "rssi": -119, "snr": -18.0, "hop_limit": 0, "hop_start": 4, "payload_length": 83, "processed_successfully": 1, "raw_payload": "0a0848d5ce16575c51b2120b00cdffffffffffffffff011a1084bb0425447c5315387e8569840ba7b22228bfffffffffffffffff01fdffffffffffffffff01c4ffffffffffffffff01dfffffffffffffffff01", "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1775199259, "pki_encrypted": 0, "next_hop": 0, "relay_node": 132, "tx_after": 0, "timestamp_str": "2026-04-03 06:54:19 UTC", "hop_count": 4, "has_payload": true, "success": 1, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "Bryn Mawr Base (BRYN)", "relay_hex": "84", "relay_candidates": [ { "node_id": 2997291908, "node_name": "Eagleville / Worcester Twp", "hex_id": "!b2a70b84", "short_name": "Jim", "last_byte": "84" } ], "gateway_name": "☘️🦙0: Take Me 🏠 Country Nodes (LRG0)", "gateway_location": { "node_id": 381940604, "latitude": 40.2310262, "longitude": -75.5221334, "altitude": null, "timestamp": 1775853049.4310567, "timestamp_str": "2026-04-10 20:30:49", "display_name": "☘️🦙0: Take Me 🏠 Country Nodes", "long_name": "☘️🦙0: Take Me 🏠 Country Nodes", "short_name": "LRG0", "hw_model": "STATION_G2" } }, "resolve_names": true, "packet_id": 151455, "from_node_id": 2991676503, "to_node_id": 382653768, "timestamp": 1775199259.6257067, "gateway_id": "!16c3f37c", "raw_payload": "0a0848d5ce16575c51b2120b00cdffffffffffffffff011a1084bb0425447c5315387e8569840ba7b22228bfffffffffffffffff01fdffffffffffffffff01c4ffffffffffffffff01dfffffffffffffffff01", "hop_limit": 0, "hop_start": 4, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "Bryn Mawr Base (BRYN)", "route_data": { "route_nodes": [ 382653768, 2991676503 ], "snr_towards": [ 0.0, -12.75 ], "route_back": [ 621067140, 357792836, 1770356280, 2997291908 ], "snr_back": [ -16.25, -0.75, -15.0, -8.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 382653768, 382653768, 2991676503, 2991676503 ], "node_names": [ "Bryn Mawr Base (BRYN)", "Bryn Mawr Base (BRYN)", "BM BASE2 (BMr2)", "BM BASE2 (BMr2)" ], "snr_values": [ 0.0, -12.75 ], "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": 1775192863.5200756, "to_location_timestamp": 1775192863.5200756, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 2991676503, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "BM BASE2 (BMr2)", "snr": -12.75, "direction": "forward", "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": 3, "from_node_id": 2991676503, "to_node_id": 2991676503, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "BM BASE2 (BMr2)", "snr": null, "direction": "forward", "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": 3 }, "return_path": { "path_type": "return", "node_ids": [ 2991676503, 621067140, 357792836, 1770356280, 2997291908 ], "node_names": [ "BM BASE2 (BMr2)", "NEXUS ONE (NXS1)", "3r3.base (3r3b)", "Meshtastic 7e38 (7e38)", "Eagleville / Worcester Twp (Jim)" ], "snr_values": [ -16.25, -0.75, -15.0, -8.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2991676503, "to_node_id": 621067140, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "NEXUS ONE (NXS1)", "snr": -16.25, "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": 2, "from_node_id": 621067140, "to_node_id": 357792836, "from_node_name": "NEXUS ONE (NXS1)", "to_node_name": "3r3.base (3r3b)", "snr": -0.75, "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": 3, "from_node_id": 357792836, "to_node_id": 1770356280, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Meshtastic 7e38 (7e38)", "snr": -15.0, "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" }, { "hop_number": 4, "from_node_id": 1770356280, "to_node_id": 2997291908, "from_node_name": "Meshtastic 7e38 (7e38)", "to_node_name": "Eagleville / Worcester Twp (Jim)", "snr": -8.25, "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" } ], "is_complete": false, "total_hops": 4 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 382653768, 2991676503, 621067140, 357792836, 1770356280, 2997291908 ], "node_names": [ "Bryn Mawr Base (BRYN)", "BM BASE2 (BMr2)", "NEXUS ONE (NXS1)", "3r3.base (3r3b)", "Meshtastic 7e38 (7e38)", "Eagleville / Worcester Twp (Jim)" ], "snr_values": [ 0.0, -12.75, -16.25, -0.75, -15.0, -8.25 ], "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": 1775192863.5200756, "to_location_timestamp": 1775192863.5200756, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 2991676503, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "BM BASE2 (BMr2)", "snr": -12.75, "direction": "forward_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": 3, "from_node_id": 2991676503, "to_node_id": 621067140, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "NEXUS ONE (NXS1)", "snr": -16.25, "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": 4, "from_node_id": 621067140, "to_node_id": 357792836, "from_node_name": "NEXUS ONE (NXS1)", "to_node_name": "3r3.base (3r3b)", "snr": -0.75, "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": 5, "from_node_id": 357792836, "to_node_id": 1770356280, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Meshtastic 7e38 (7e38)", "snr": -15.0, "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" }, { "hop_number": 6, "from_node_id": 1770356280, "to_node_id": 2997291908, "from_node_name": "Meshtastic 7e38 (7e38)", "to_node_name": "Eagleville / Worcester Twp (Jim)", "snr": -8.25, "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" } ], "is_complete": false, "total_hops": 6 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Bryn Mawr Base (BRYN) → Bryn Mawr Base (BRYN) → BM BASE2 (BMr2) → BM BASE2 (BMr2)", "return_path_display": "BM BASE2 (BMr2) → NEXUS ONE (NXS1) → 3r3.base (3r3b) → Meshtastic 7e38 (7e38) → Eagleville / Worcester Twp (Jim)", "actual_rf_path_display": "Bryn Mawr Base (BRYN) → BM BASE2 (BMr2) → NEXUS ONE (NXS1) → 3r3.base (3r3b) → Meshtastic 7e38 (7e38) → Eagleville / Worcester Twp (Jim)", "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": 1775192863.5200756, "to_location_timestamp": 1775192863.5200756, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 1.8h ago" }, { "hop_number": 2, "from_node_id": 382653768, "to_node_id": 2991676503, "from_node_name": "Bryn Mawr Base (BRYN)", "to_node_name": "BM BASE2 (BMr2)", "snr": -12.75, "direction": "forward", "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": 3, "from_node_id": 2991676503, "to_node_id": 2991676503, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "BM BASE2 (BMr2)", "snr": null, "direction": "forward", "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" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 2991676503, "to_node_id": 621067140, "from_node_name": "BM BASE2 (BMr2)", "to_node_name": "NEXUS ONE (NXS1)", "snr": -16.25, "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": 2, "from_node_id": 621067140, "to_node_id": 357792836, "from_node_name": "NEXUS ONE (NXS1)", "to_node_name": "3r3.base (3r3b)", "snr": -0.75, "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": 3, "from_node_id": 357792836, "to_node_id": 1770356280, "from_node_name": "3r3.base (3r3b)", "to_node_name": "Meshtastic 7e38 (7e38)", "snr": -15.0, "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" }, { "hop_number": 4, "from_node_id": 1770356280, "to_node_id": 2997291908, "from_node_name": "Meshtastic 7e38 (7e38)", "to_node_name": "Eagleville / Worcester Twp (Jim)", "snr": -8.25, "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" } ], "total_forward_distance": 0.0, "total_return_distance": 0 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16c3f37c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2991676503, "to": 382653768, "id": 1379380978, "rx_time": 1775199259, "rx_snr": -18.0, "rx_rssi": -119, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 132, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a0848d5ce16575c51b2120b00cdffffffffffffffff011a1084bb0425447c5315387e8569840ba7b22228bfffffffffffffffff01fdffffffffffffffff01c4ffffffffffffffff01dfffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 382653768, 2991676503 ], "snr_towards": [ 0, -51 ], "route_back": [ 621067140, 357792836, 1770356280, 2997291908 ], "snr_back": [ -65, -3, -60, -33 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (83 bytes)
0a0848d5ce16575c51b2120b00cdffffffffffffffff011a1084bb0425447c5315387e8569840ba7b22228bfffffffffffffffff01fdffffffffffffffff01c4ffffffffffffffff01dfffffffffffffffff01
Hex Analysis:
Size:83 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
☘️🦙0: Take Me 🏠 Country Nodes (LRG0) Primary 0.000s
Reference 		-119.0 dBm -18.00 dB 4 84 Jim LongFast 2026-04-03 06:54:19 UTC Current
homebase.mesh.sdr.lol (SDRB) +4.251s
After 		-105.0 dBm Unknown 4 59 PHL1 LongFast 2026-04-03 06:54:23 UTC View
2

Total Receptions

2

Unique Gateways