Packet #2449938 Success

TRACEROUTE_APP packet from N1UGK QTH (UGKH) to Meshtastic 98ac (98ac)

16
Total Receptions
16
Unique Gateways
2
Hop Count
32
Payload Bytes
Packet Information
Database ID: 2449938
Mesh Packet ID: 0x323d1706
Used for correlation across gateways
Timestamp: 2025-11-20 00:18:11 UTC
From Node: N1UGK QTH (UGKH)
To Node: Meshtastic 98ac (98ac)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Gowanus Soda (p1p)
Channel: LongFast
RSSI: -116 dBm
SNR: -8.5 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: 7b 4b7b
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: 32 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: GrandSt 351e (351e) → Vernon2 4b7b (4b7b)
Hop Count: 1 hops
Status: Incomplete - Final destination not reached
SNR Towards: -14.0 dB -14.5 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 N1UGK QTH (UGKH) GrandSt 351e (351e) 25.02 km -14.0 dB Origin Hops
2 GrandSt 351e (351e) Vernon2 4b7b (4b7b) 4.35 km -14.5 dB Relay Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
29.37 km
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:32 bytes
Gateway:!9e758c94
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

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e758c94
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (32 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2733340684
Source node ID 		uint32
to 3774322860
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 32 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 -116.0 dBm
Signal strength at gateway 		int32
rx_snr -8.50 dB
Signal quality at gateway 		float
rx_time 1763595217
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 Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 123
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1763597891.6379437
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)
  • ✓ 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: !9e758c94
Signal Metrics: RSSI: -116.0 dBm
SNR: -8.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:32 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 3325965598, 2470857595 ], "snr_towards": [ -14.0, -14.5 ], "route_back": [], "snr_back": [], "route_node_names": { "3774322860": "Meshtastic 98ac (98ac)", "2470857595": "Vernon2 4b7b (4b7b)", "2733340684": "N1UGK QTH (UGKH)", "3325965598": "GrandSt 351e (351e)" }, "traceroute_packet": { "packet_data": { "id": 2449938, "timestamp": 1763597891.6379437, "from_node_id": 2733340684, "to_node_id": 3774322860, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!9e758c94", "channel_id": "LongFast", "mesh_packet_id": 842864390, "rssi": -116, "snr": -8.5, "hop_limit": 3, "hop_start": 5, "payload_length": 32, "processed_successfully": 1, "raw_payload": "0a081e353ec67b4b46931214c8ffffffffffffffff01c6ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1763595217, "pki_encrypted": 0, "next_hop": 0, "relay_node": 123, "tx_after": 0, "timestamp_str": "2025-11-20 00:18:11 UTC", "hop_count": 2, "has_payload": true, "success": 1, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "Meshtastic 98ac (98ac)", "relay_hex": "7b", "relay_candidates": [ { "node_id": 2470857595, "node_name": "Vernon2 4b7b", "hex_id": "!93464b7b", "short_name": "4b7b", "last_byte": "7b" } ], "gateway_name": "Gowanus Soda (p1p)", "gateway_location": { "node_id": 2658503828, "latitude": 40.6781952, "longitude": -73.9835904, "altitude": 19, "timestamp": 1764410384.5928562, "timestamp_str": "2025-11-29 04:59:44", "display_name": "Gowanus Soda", "long_name": "Gowanus Soda", "short_name": "p1p", "hw_model": "HELTEC_V3" } }, "resolve_names": true, "packet_id": 2449938, "from_node_id": 2733340684, "to_node_id": 3774322860, "timestamp": 1763597891.6379437, "gateway_id": "!9e758c94", "raw_payload": "0a081e353ec67b4b46931214c8ffffffffffffffff01c6ffffffffffffffff01", "hop_limit": 3, "hop_start": 5, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "!e0f798ac", "route_data": { "route_nodes": [ 3325965598, 2470857595 ], "snr_towards": [ -14.0, -14.5 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2733340684, 3325965598, 2470857595 ], "node_names": [ "N1UGK QTH (UGKH)", "GrandSt 351e (351e)", "Vernon2 4b7b (4b7b)" ], "snr_values": [ -14.0, -14.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3325965598, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "GrandSt 351e (351e)", "snr": -14.0, "direction": "forward", "is_target_hop": false, "distance_meters": 25019.174932877915, "from_location_timestamp": 1763591675.710374, "to_location_timestamp": 1763462086.4870996, "from_location_age_warning": "from 1.7h ago", "to_location_age_warning": "from 1.6d ago" }, { "hop_number": 2, "from_node_id": 3325965598, "to_node_id": 2470857595, "from_node_name": "GrandSt 351e (351e)", "to_node_name": "Vernon2 4b7b (4b7b)", "snr": -14.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4347.25565554826, "from_location_timestamp": 1763462086.4870996, "to_location_timestamp": 1763548075.5661836, "from_location_age_warning": "from 1.6d ago", "to_location_age_warning": "from 13.8h ago" } ], "is_complete": false, "total_hops": 2 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2733340684, 3325965598, 2470857595 ], "node_names": [ "N1UGK QTH (UGKH)", "GrandSt 351e (351e)", "Vernon2 4b7b (4b7b)" ], "snr_values": [ -14.0, -14.5 ], "hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3325965598, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "GrandSt 351e (351e)", "snr": -14.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 25019.174932877915, "from_location_timestamp": 1763591675.710374, "to_location_timestamp": 1763462086.4870996, "from_location_age_warning": "from 1.7h ago", "to_location_age_warning": "from 1.6d ago" }, { "hop_number": 2, "from_node_id": 3325965598, "to_node_id": 2470857595, "from_node_name": "GrandSt 351e (351e)", "to_node_name": "Vernon2 4b7b (4b7b)", "snr": -14.5, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 4347.25565554826, "from_location_timestamp": 1763462086.4870996, "to_location_timestamp": 1763548075.5661836, "from_location_age_warning": "from 1.6d ago", "to_location_age_warning": "from 13.8h ago" } ], "is_complete": false, "total_hops": 2 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "N1UGK QTH (UGKH) → GrandSt 351e (351e) → Vernon2 4b7b (4b7b)", "return_path_display": null, "actual_rf_path_display": "N1UGK QTH (UGKH) → GrandSt 351e (351e) → Vernon2 4b7b (4b7b)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3325965598, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "GrandSt 351e (351e)", "snr": -14.0, "direction": "forward", "is_target_hop": false, "distance_meters": 25019.174932877915, "from_location_timestamp": 1763591675.710374, "to_location_timestamp": 1763462086.4870996, "from_location_age_warning": "from 1.7h ago", "to_location_age_warning": "from 1.6d ago" }, { "hop_number": 2, "from_node_id": 3325965598, "to_node_id": 2470857595, "from_node_name": "GrandSt 351e (351e)", "to_node_name": "Vernon2 4b7b (4b7b)", "snr": -14.5, "direction": "forward", "is_target_hop": false, "distance_meters": 4347.25565554826, "from_location_timestamp": 1763462086.4870996, "to_location_timestamp": 1763548075.5661836, "from_location_age_warning": "from 1.6d ago", "to_location_age_warning": "from 13.8h ago" } ], "return_hops": [], "total_forward_distance": 29366.430588426174, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e758c94", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733340684, "to": 3774322860, "id": 842864390, "rx_time": 1763595217, "rx_snr": -8.5, "rx_rssi": -116, "hop_limit": 3, "hop_start": 5, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 123, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a081e353ec67b4b46931214c8ffffffffffffffff01c6ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 3325965598, 2470857595 ], "snr_towards": [ -56, -58 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (32 bytes)
0a081e353ec67b4b46931214c8ffffffffffffffff01c6ffffffffffffffff01
Hex Analysis:
Size:32 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
Gowanus Soda (p1p) Primary 0.000s
Reference 		-116.0 dBm -8.50 dB 2 7b 4b7b LongFast 2025-11-20 00:18:11 UTC Current
P0NY Express Solar Node (P0NY) -3.268s
Before 		-103.0 dBm -0.75 dB 0 - LongFast 2025-11-20 00:18:08 UTC View
Steiner Studios Tower (SST) -1.719s
Before 		-119.0 dBm -12.50 dB 1 1e 351e LongFast 2025-11-20 00:18:09 UTC View
Claudiopolis-440c (440c) -1.299s
Before 		-107.0 dBm -16.75 dB 1 1e 351e LongFast 2025-11-20 00:18:10 UTC View
DRP1 Chelsea (DRP1) -0.992s
Before 		-81.0 dBm 5.25 dB 1 a8 2ea8 , MPH1 , ETNA LongFast 2025-11-20 00:18:10 UTC View
CBZ0 🚕 mobile (CBZ0) +0.180s
After 		-122.0 dBm -14.75 dB 2 dc LongFast 2025-11-20 00:18:11 UTC View
dkTowerBot (dkTB) +0.521s
After 		-107.0 dBm -17.75 dB 2 81 Titi , JLO9 LongFast 2025-11-20 00:18:12 UTC View
Meshtastic e41a (GRBT) +0.775s
After 		-126.0 dBm -16.50 dB 2 81 Titi LongFast 2025-11-20 00:18:12 UTC View
Sunset Soda (p8p) +0.783s
After 		-120.0 dBm -8.00 dB 2 81 Titi LongFast 2025-11-20 00:18:12 UTC View
Meshtastic 631c (631c) +6.337s
After 		-102.0 dBm -11.25 dB 3 94 p1p LongFast 2025-11-20 00:18:17 UTC View
K2XAP V4 MS (XAP4) +28.097s
After 		-83.0 dBm -17.75 dB 1 5b P0NY LongFast 2025-11-20 00:18:39 UTC View
DRP0 Astoria (DRP0) +28.748s
After 		-56.0 dBm 6.50 dB 5 ac JJ00 , swam , 🌀 , A3WS , FF1 , 🌃 , 09ac , feac , 98ac LongFast 2025-11-20 00:18:40 UTC View
drp mobile (drpm) +28.986s
After 		-51.0 dBm 6.75 dB 5 ac BFY , A3WS , FF1 LongFast 2025-11-20 00:18:40 UTC View
K2XAP / nyme.sh (XAP) +30.083s
After 		-70.0 dBm 6.25 dB 2 78 SCP2 LongFast 2025-11-20 00:18:41 UTC View
MeshM0xie (M0x) +473.234s
After 		-107.0 dBm -11.75 dB 2 c2 Asra LongFast 2025-11-20 00:26:04 UTC View
Psalm 23 (3:16) +739.866s
After 		-125.0 dBm -13.50 dB 0 - LongFast 2025-11-20 00:30:31 UTC View
16

Total Receptions

16

Unique Gateways