Packet #2557015 Success

POSITION_APP packet from Claudiopolis-440c (440c) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2557015
Mesh Packet ID:	`0x2b8169cf` Used for correlation across gateways
Timestamp:	2025-11-21 17:02:17 UTC
From Node:	Claudiopolis-440c (440c)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Poncho@MobileBase (pft@)
Channel:	LongFast
RSSI:	-122 dBm
SNR:	-13.25 dBm
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`0c` 440c Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: POSITION_APP

Size: 27 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.727818°
Longitude:	-74.032378°
Altitude:	30 m
Precision:	32 bits

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:	27 bytes
Gateway:	!62be95d1
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!62be95d1` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (27 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3127264268` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`27` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-122.0` dBm Signal strength at gateway	int32
`rx_snr`	`-13.25` dB Signal quality at gateway	float
`rx_time`	`1763744633` 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`	`12` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1763744537.4086528` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

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

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!62be95d1`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -122.0 dBm SNR: -13.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.727818, "longitude": -74.032378, "altitude": 30, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!62be95d1", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127264268, "to": 4294967295, "id": 729901519, "rx_time": 1763744633, "rx_snr": -13.25, "rx_rssi": -122, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 12, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d64924618153c8edfd3181e25789b206928013d6c0d0669b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407278180, "longitude_i": -740323780, "altitude": 30, "time": 1763744632, "location_source": "LOC_MANUAL", "timestamp": 1762004332, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0d64924618153c8edfd3181e25789b206928013d6c0d0669b80120

Hex Analysis:

Size:	27 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
Poncho@MobileBase (pft@) Primary	0.000s Reference	-122.0 dBm	-13.25 dB	0	`0c` 440c	LongFast	2025-11-21 17:02:17 UTC	Current
Claudiopolis-440c (440c)	-1.186s Before	Unknown	Unknown	0	`0c` XAP2 , UGKH , 440c	LongFast	2025-11-21 17:02:16 UTC	View
DRP1 Chelsea (DRP1)	+0.118s After	-119.0 dBm	-17.50 dB	0	`0c` MG , UGKH , 440c	LongFast	2025-11-21 17:02:17 UTC	View
dkTowerBot (dkTB)	+0.912s After	-102.0 dBm	-13.50 dB	1	`28` b028	LongFast	2025-11-21 17:02:18 UTC	View
Nicomachus 🏃 (ncmp)	+4.054s After	-31.0 dBm	10.50 dB	1	`80` ncmc	LongFast	2025-11-21 17:02:21 UTC	View
Meshtastic 631c (631c)	+4.318s After	-107.0 dBm	-16.25 dB	2	`3d` PDD0 , P1NY	LongFast	2025-11-21 17:02:21 UTC	View
drp mobile (drpm)	+4.357s After	-25.0 dBm	6.25 dB	1	`3c` 833c , Rock , DRP1	LongFast	2025-11-21 17:02:21 UTC	View
K2XAP V4 MS (XAP4)	+4.366s After	-74.0 dBm	-9.50 dB	2	`f2` p@s! , 10f2	LongFast	2025-11-21 17:02:21 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	+5.069s After	-112.0 dBm	-7.75 dB	1	`3c` DRP1	LongFast	2025-11-21 17:02:22 UTC	View
LORSANGE (LORS)	+6.018s After	-122.0 dBm	-18.25 dB	2	`80` tks , p@bp , BR03	LongFast	2025-11-21 17:02:23 UTC	View
Steiner Studios Tower (SST)	+6.540s After	-116.0 dBm	-9.25 dB	2	`c9` Penn , JLX3	LongFast	2025-11-21 17:02:23 UTC	View
ClaremontWx.net (CmWx)	+6.583s After	-79.0 dBm	2.50 dB	2	`c9` Penn	LongFast	2025-11-21 17:02:23 UTC	View
CBZ0 🚕 mobile (CBZ0)	+7.004s After	-112.0 dBm	-8.50 dB	2	`c9` Penn , JLX3	LongFast	2025-11-21 17:02:24 UTC	View
K2XAP / nyme.sh (XAP)	+7.154s After	-117.0 dBm	-18.00 dB	2	`c9` Penn , JLX3	LongFast	2025-11-21 17:02:24 UTC	View
bit0fun \| nyme.sh (🟠)	+7.775s After	-112.0 dBm	-15.50 dB	3	`1c` 631c	LongFast	2025-11-21 17:02:25 UTC	View
Meshtastic e41a (GRBT)	+7.964s After	-50.0 dBm	6.25 dB	3	`1c` 631c	LongFast	2025-11-21 17:02:25 UTC	View

16

Total Receptions

16

Unique Gateways