Packet #3436881 Success

POSITION_APP packet from Tiksi (tksi) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	3436881
Mesh Packet ID:	`0xb958267f` Used for correlation across gateways
Timestamp:	2025-12-11 16:31:36 UTC
From Node:	Tiksi (tksi)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	ClaremontWx.net (CmWx)
Channel:	LongFast
RSSI:	-46 dBm
SNR:	0.25 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`78` efl 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: 33 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.716698°
Longitude:	-73.989325°
Altitude:	15 m
Satellites:	6
Precision:	18 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:	33 bytes
Gateway:	!27532a57
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	2 / 7

Privacy Summary

Exposure Level:
Broadcast

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

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!27532a57` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (33 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3759372476` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`33` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-46.0` dBm Signal strength at gateway	int32
`rx_snr`	`0.25` dB Signal quality at gateway	float
`rx_time`	`1765470826` 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`	`120` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765470696.2057073` 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

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!27532a57`
Position Precision:	18 bits (~91.0m accuracy)
Position precision meters:	`91.0`
Signal Metrics:	RSSI: -46.0 dBm SNR: 0.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	33 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.7166976, "longitude": -73.9893248, "altitude": 15, "sats_in_view": 6, "precision_bits": 18 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!27532a57", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3759372476, "to": 4294967295, "id": 3109561983, "rx_time": 1765470826, "rx_snr": 0.25, "rx_rssi": -46, "hop_limit": 5, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 120, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00e04418150020e6d3180f2569f23a6928023d6af23a6958b503980106b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407166976, "longitude_i": -739893248, "altitude": 15, "time": 1765470825, "location_source": "LOC_INTERNAL", "timestamp": 1765470826, "PDOP": 437, "sats_in_view": 6, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (33 bytes)

0d00e04418150020e6d3180f2569f23a6928023d6af23a6958b503980106b80112

Hex Analysis:

Size:	33 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
ClaremontWx.net (CmWx) Primary	0.000s Reference	-46.0 dBm	0.25 dB	2	`78` efl	LongFast	2025-12-11 16:31:36 UTC	Current
25 Washington Ave (25WA)	-2.677s Before	-84.0 dBm	-14.50 dB	1	`e9` ft	LongFast	2025-12-11 16:31:33 UTC	View
Izutsumi - seano@masto.nyc (izu)	-2.201s Before	-78.0 dBm	6.00 dB	1	`e9` ft	LongFast	2025-12-11 16:31:34 UTC	View
Claudiopolis-440c (440c)	-2.098s Before	-83.0 dBm	0.75 dB	1	`e9` ft , dmbl , 📶	LongFast	2025-12-11 16:31:34 UTC	View
!ebb328a2 (28a2)	-1.653s Before	-95.0 dBm	-2.25 dB	2	`c9` Penn	LongFast	2025-12-11 16:31:34 UTC	View
K2XAP Gateway (XAPg)	-1.543s Before	-108.0 dBm	-5.50 dB	2	`c9` Penn	LongFast	2025-12-11 16:31:34 UTC	View
Psalm 23 (3:16)	-1.089s Before	-115.0 dBm	-4.50 dB	2	`c9` Penn	LongFast	2025-12-11 16:31:35 UTC	View
Gemini (GMNI)	-0.801s Before	-124.0 dBm	-11.50 dB	2	`c9` Penn	LongFast	2025-12-11 16:31:35 UTC	View
Fried Fish FF1 (FF1)	-0.651s Before	-86.0 dBm	-7.25 dB	2	`0f` 68SD	LongFast	2025-12-11 16:31:35 UTC	View
dkTowerBot (dkTB)	-0.357s Before	-98.0 dBm	-10.50 dB	2	`4c` JLY3 , SST	LongFast	2025-12-11 16:31:35 UTC	View
YMH 1 @ Your Mom’s House (YMH1)	-0.348s Before	-112.0 dBm	-5.75 dB	2	`4c` JLY3	LongFast	2025-12-11 16:31:35 UTC	View
MeshM0xie (M0x)	-0.156s Before	-23.0 dBm	6.50 dB	3	`8d` Mox1	LongFast	2025-12-11 16:31:36 UTC	View
K2XAP / nyme.sh (XAP)	+0.182s After	-71.0 dBm	5.00 dB	2	`78` SCP2	LongFast	2025-12-11 16:31:36 UTC	View
Meshtastic 631c (GRBH)	+0.219s After	-108.0 dBm	-18.50 dB	3	`72` GSIP	LongFast	2025-12-11 16:31:36 UTC	View
NorthHaledon - Dorothy (NHDO)	+0.675s After	-110.0 dBm	-1.00 dB	3	`81` RAK3	LongFast	2025-12-11 16:31:36 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	+1.243s After	-110.0 dBm	-12.00 dB	3	-	LongFast	2025-12-11 16:31:37 UTC	View
Sunset Soda (p8p)	+1.371s After	-126.0 dBm	-17.00 dB	3	`57` CmWx	LongFast	2025-12-11 16:31:37 UTC	View
Mobile Fish 4 (MF4)	+2.293s After	-114.0 dBm	-12.00 dB	3	`40`	LongFast	2025-12-11 16:31:38 UTC	View
Meshtastic 1ca3 (1ca3)	+2.371s After	-118.0 dBm	-14.25 dB	4	`c4` NOVA , 3fc4	LongFast	2025-12-11 16:31:38 UTC	View
nLink-NY-Jamaica1 (NLJ1)	+2.981s After	-94.0 dBm	Unknown	3	`88` grns , 2f88 , P3NY	LongFast	2025-12-11 16:31:39 UTC	View
Steiner Studios Tower (SST)	+4.254s After	-113.0 dBm	-9.25 dB	4	`8b` JLX2 , 658b	LongFast	2025-12-11 16:31:40 UTC	View
BDP3 - Wio L1 (BDP3)	+30.572s After	-108.0 dBm	-16.75 dB	4	`d5` ETNA	LongFast	2025-12-11 16:32:06 UTC	View
KD2 Base Solar (KD2B)	+32.118s After	-110.0 dBm	-4.50 dB	5	`70` GCNA	LongFast	2025-12-11 16:32:08 UTC	View

23

Total Receptions

23

Unique Gateways